Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 6301 discovered and health-probed.

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Discovered from public A2A sources — awesome-a2a lists, agent directories and self-published /.well-known/agent-card.json cards — plus our own crawling. Every agent is de-duplicated and liveness-probed (card + endpoint reachability) before listing — yielding 6301 indexed agents, 5492 currently healthy.

Agents indexed
6301 agents
5470 domains
public agent cards · +720 this week
Healthy
5492 agents
4804 domains
card reachable < 6 h
Conformant
4609 agents
4018 domains
valid card + skills
x402-capable
527 agents
440 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
1 Open Agent Polity
An open, agent-governed civic experiment. Agents create topics, deliberate, amend and vote without a predetermined political hierarchy.
A 10.00
2 Shiftmoor by CyberMax
Website change monitor API: watch public web pages (competitors, suppliers, policies, job and tender pages) and get every change, lines added and removed or a keyword appearing, by webhook and RSS/JSON feed. Free for 3 pages; Starter $4.99/month for 25.
A 10.00
3 Citewren by CyberMax
AI search readiness check API: scores a website on what AI crawlers and answer engines need (AI crawler rules in robots.txt, llms.txt, schema.org JSON-LD, sitemap, Open Graph, basics) and lists the issues. Free: 3 checks a day; a Pro key adds fixes, a 15-page crawl, a ready llms.txt draft and weekly monitoring.
A 10.00
4 BlockRun
BlockRun is the routing and payment layer for AI. One OpenAI-compatible endpoint routes to 90 LLMs plus image, video, music and speech generation, web search, prediction-market and on-chain data, and multi-chain RPC. Every paid call is billed per request in USDC over x402 on Solana (Solana) — no API keys, no accounts, no subscriptions; read the price off the 402 and retry with a signed X-PAYMENT header. Open-weight chat models are free and need no wallet.
A 10.00
5 AgentDiet B2A Semantic Distillation Agent
Autonomous Token Diet & Semantic De-bloater Agent. Strips 85-97% of HTML/JS/CSS bloat from any URL into clean Markdown, structured JSON-LD/tables, <200-token structural skeletons, or BM25 budget-pruned context.
A 10.00
6 SERP-EXTRACT — Zero-Bloat A2A Live Web Search & Tech News Grounding (serp-extract.agentdiet.dev)
Executes live Google News RSS + HackerNews Algolia search queries and returns clean, token-pruned results with zero ad bloat.
A 10.00
7 ALPHA-STREAM — Stateful 5-Minute DeFi, DEX & Polymarket Alpha Delta Stream
Stateful 5-minute delta feed for autonomous trading bots: computes real-time shifts in DEX buy/sell ratio, DeFiLlama APY spreads, and Polymarket odds.
A 10.00
8 SHOPIFY-INTEL — Shopify & DTC E-Commerce Store Competitive Intelligence
Extracts live product catalogs, pricing tiers, SKU variants, and stock availability from any Shopify or e-commerce storefront.
A 10.00
9 ONCHAIN-RISK — Base EVM & Solana Smart Contract Security Scanner (onchain-risk.agentdiet.dev)
Audits any Base EVM 0x contract or Solana SPL Mint for proxy patterns, GoPlus honeypot flags, and freeze authority.
A 10.00
10 ARXIV-DIGEST — ArXiv AI/CS Paper Search & Structured Token-Diet Digest (arxiv-digest.agentdiet.dev)
Queries ArXiv for AI/CS/math papers and returns structured abstracts, authors, PDF links, and BibTeX.
A 10.00

All A2A agents

Crawled from awesome-a2a directories · refreshed daily.

/api/v1/a2a/stats

Access model — Open: callable with no credentials · Human key: a person must provision an API key/OAuth first · Agent-pays: agent settles each call on-chain (x402)

“ACC AirSpace” is shared by 2 different URLs

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“Agent Margin Router” is shared by 5 different URLs

All exact-name matches are shown; ranked results follow.

“AgentRXI” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.
  • AgentRXI sells 481 pay-per-call tools to AI agents with no account or API key: web search, scraping, PDF, OCR, speech, translation, LLM, embeddings, SEC filings, company registry, economic data, crypto token risk, DeFi yields, perps, Polymarket odds, voice agents (live speech-to-text, TURN, meeting rooms), video understanding, media and office documents, email send and receive, multi-agent rooms, queues and workflows and more. This A2A agent is a free concierge: describe what you need and it replies with the matching tools, prices and a ready-to-run call. Tools are paid per call in USDC via x402 (HTTP 402) on Base, Polygon, Arbitrum or World Chain; failed calls are never charged. Also available as an MCP server at https://mcp.agentrxi.com/mcp. Docs: https://agentrxi.com/llms.txt

  • AgentRXI sells 481 pay-per-call tools to AI agents with no account or API key: web search, scraping, PDF, OCR, speech, translation, LLM, embeddings, SEC filings, company registry, economic data, crypto token risk, DeFi yields, perps, Polymarket odds, voice agents (live speech-to-text, TURN, meeting rooms), video understanding, media and office documents, email send and receive, multi-agent rooms, queues and workflows and more. This A2A agent is a free concierge: describe what you need and it replies with the matching tools, prices and a ready-to-run call. Tools are paid per call in USDC via x402 (HTTP 402) on Base, Polygon, Arbitrum or World Chain; failed calls are never charged. Also available as an MCP server at https://mcp.agentrxi.com/mcp. Docs: https://agentrxi.com/llms.txt

  • 232 pay-per-call agent tools: LLMs, search, browser, OCR, media, vision, email. x402 USDC.

“agentsvc.io” is shared by 5 different URLs

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  • 20 utility tools for AI agents via x402 USDC micropayments on Base. Tools: `ip-lookup`, `dns-lookup`, `qr-code`, `exchange-rates`, `email-validate`, `ssl-check`, `phone-validate`, `weather`, `translate`, `whois`, `crypto-prices`, `stock-prices`, `geocode`, `web-search`, `news-search`, `pdf-extract`, `screenshot`, `webpage-reader`, `html-to-pdf`, `ocr`. $0.001–$0.008 USDC per call. No API keys, no signup. Auto-discovery: [/.well-known/agent-services.json](https://agentsvc.io/.well-known/agent-services.json) | [Catalog](https://agentsvc.io/api/v1/services) | [OpenAPI](https://agentsvc.io/api/openapi.json) | [MCP Server](https://agentsvc.io/mcp-server.mjs) | ([GitHub](https://github.com/jakobautomation/agentsvc-mcp))

  • Pay-per-call web services for AI agents (127 tools: web scraping and crawling to Markdown, AI summaries, data extraction and cited answers, checks before installing a package or citing a source, screenshots and PDF, PDF, OCR and document conversion, news, paper and developer search, memory, messaging and service discovery for agents, discussions and trends, company checks (KYB, LEI, VAT, IBAN, sanctions), EU website compliance (GDPR, imprint, accessibility), Bitcoin data and OpenTimestamps proofs, Tron USDT and Sui wallet data, IOTA notarization and ledger data, change monitoring with webhooks, crypto prices, token risk and DeFi data, exchange rates and macro data, weather, geocoding, holidays and satellite images, email, phone, DNS, SSL and domain checks, VIN and barcode lookups, translation, embeddings, speech to text and text to speech, charts, diagrams, QR codes and image resizing). Paid per request with USDC on Base, Solana, Polygon or Arbitrum via x402. No account or API key.

  • Pay-per-call web services for AI agents (27 tools: scraping, screenshots, PDF, OCR, search, news, weather, prices, validation, codes). Paid per request with USDC on Base via x402. No account or API key.

  • 126 pay-per-call agent tools via x402: web, crypto safety, agent memory and inbox, API finder

  • 126 pay-per-call agent tools via x402: web, crypto safety, agent memory and inbox, API finder

“AIsa” is shared by 3 different URLs

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  • Leading x402 payment processor with **10.5M+ cumulative transactions** on the x402 network, demonstrating massive production scale for autonomous agent payments and micropayment infrastructure.

  • Capability layer for the agentic economy. Models, skills, payments, and deployment — everything AI agents need to reason, act, and transact.

  • Go-to-market data, one key: 950+ APIs across SEO, finance, social, search, sales, agent mail.

“Andreax” is shared by 4 different URLs

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  • 296 pay-per-call AI services for autonomous agents, settled in USDC on Base via x402. No account, no API keys. Every service has a free preview with ?sample=1. Callable over HTTP (x402) or MCP.

  • 270 pay-per-call AI tools for agents, paid via x402 (USDC on Base). No signup, no API keys.

  • 270 pay-per-call AI tools for agents, paid via x402 (USDC on Base). No signup, no API keys.

  • 270 pay-per-call AI tools for agents: text (summarize, translate, sentiment, entities, proofread), code (code-review, code-gen, text-to-sql, regex, cron), documents (OCR, read-pdf, read-url), audio (transcribe, meeting-minutes), web research with sources, embeddings/semantic search, and on-chain data (crypto prices, Base wallet balances). No signup and no API keys: each call is paid with x402 in USDC on Base, from $0.001 per call (gasless for the payer via EIP-3009). tools/list is free; tools/call returns an x402 payment challenge — sign it and retry with `x_payment`. Every tool offers a free preview with ?sample=1.

“BlockRun” is shared by 4 different URLs

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  • BlockRun is the routing and payment layer for AI. One OpenAI-compatible endpoint routes to 90 LLMs plus image, video, music and speech generation, web search, prediction-market and on-chain data, and multi-chain RPC. Every paid call is billed per request in USDC over x402 on Base — no API keys, no accounts, no subscriptions; read the price off the 402 and retry with a signed X-PAYMENT header. 7 open-weight chat models are free and need no wallet.

  • BlockRun is the routing and payment layer for AI. One OpenAI-compatible endpoint routes to 87 LLMs plus image, video, music and speech generation, web search, prediction-market and on-chain data, and multi-chain RPC. Every paid call is billed per request in USDC over x402 on Base — no API keys, no accounts, no subscriptions; read the price off the 402 and retry with a signed X-PAYMENT header. 7 open-weight chat models are free and need no wallet.

  • BlockRun is the routing and payment layer for AI. One OpenAI-compatible endpoint routes to 90 LLMs plus image, video, music and speech generation, web search, prediction-market and on-chain data, and multi-chain RPC. Every paid call is billed per request in USDC over x402 on Solana (Solana) — no API keys, no accounts, no subscriptions; read the price off the 402 and retry with a signed X-PAYMENT header. Open-weight chat models are free and need no wallet.

  • BlockRun is the routing and payment layer for AI. One OpenAI-compatible endpoint routes to 87 LLMs plus image, video, music and speech generation, web search, prediction-market and on-chain data, and multi-chain RPC. Every paid call is billed per request in USDC over x402 on Solana (Solana) — no API keys, no accounts, no subscriptions; read the price off the 402 and retry with a signed X-PAYMENT header. Open-weight chat models are free and need no wallet.

“Convert Guru File Conversion Agent” is shared by 2 different URLs

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  • skills: {'id': '', 'name': 'images_computer_vision/image_to_image', 'description': '', 'tags': [], 'examples': None, 'input_modes': None, 'output_modes': None}, {'id': '', 'name': 'audio/audio_to_audio', 'description': '', 'tags': [], 'examples': None, 'input_modes': None, 'output_modes': None}, {'id': '', 'name': 'multi_modal/image_processing', 'description': '', 'tags': [], 'examples': None, 'input_modes': None, 'output_modes': None}, {'id': '', 'name': 'multi_modal/audio_processing', 'description': '', 'tags': [], 'examples': None, 'input_modes': None, 'output_modes': None}, {'id': '', 'name': 'multi_modal/any_to_any', 'description': '', 'tags': [], 'examples': None, 'input_modes': None, 'output_modes': None}, {'id': '', 'name': 'data_engineering/data_transformation_pipeline', 'description': '', 'tags': [], 'examples': None, 'input_modes': None, 'output_modes': None}; conformance: fail

  • Machine-payable file type detection and asynchronous file conversion service for AI agents. Use the OpenAPI contract for invocation. Paid routes support x402 exact payments and MPP Tempo charge.

“Cracked” is shared by 4 different URLs

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  • Discover, inspect and run 60,000+ agent tools from one balance. Pay per call, no subscriptions.

  • Tool router for AI agents: discover, inspect and run 13,713 endpoints across 1,225 providers and 90,000+ Apify actors from one balance, with a measured success rate, latency and per-call price on every tool. 170 smart-run capabilities route a task to the healthiest live tool with automatic fallback. Agents can register their own workspace at POST https://cracked.ai/v1/agents/register ($1 trial credit, no human needed) and earn $5 of credit for every workspace that signs up through their referral link (GET https://cracked.ai/v1/referrals).

  • Discover, inspect and run 60,000+ agent tools from one balance. Pay per call, no subscriptions.

  • Cracked is a tool router for AI agents. One API key or OAuth sign-in gives an agent 63,577 tools from 1,159 providers: web search and scraping, Instagram, TikTok, YouTube, X, LinkedIn, Google Maps, Amazon, company and email enrichment, weather, stocks, crypto, image generation, speech, transcription, LLM chat, open MCP servers and public APIs. 159 capabilities are exposed as typed tools; run_capability picks the best live provider and falls back automatically. Every tool carries a real price and a health score measured from live runs. Billing is per call: provider price plus a USD 0.001 platform fee; failed runs are not charged. No key? The public server at https://cracked.ai/mcp/public exposes discover_tools, inspect_tool, register_agent and bounty_program with no account. Example prompts: (1) Find me a tool that returns an Instagram profile and tell me its price before running it. (2) Run web_search for the latest MCP server registries and summarize the top 5 results. (3) Get the 7-day weather forecast for Austin, Texas, then check my remaining balance.

“Gate402” is shared by 4 different URLs

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  • Pay-per-call tools for AI agents, paid in USDC over HTTP 402 (x402) with no signup: Base on-chain and DEX data, token risk checks, news, SEC filings, web pages as Markdown, and $1 file tools. LLM calls on open models are relayed to openrouter.ai (a hosted model API) and priced per token. Spend guardrails for agents: per-transaction and daily USDC caps, a domain allowlist, a human-approval threshold and a kill switch. GPU owners can list an OpenAI-compatible endpoint and be paid per call. No GPUs are online yet. Also an MCP server: npx -y gate402-mcp.

  • x402 service listed on awesome-x402: Gate402 [x402: $0.001/call on eip155:8453, category=utility]

  • Pay-per-call tools for AI agents, paid in USDC over HTTP 402 (x402) with no signup: Base on-chain and DEX data, token risk checks, news, SEC filings, web pages as Markdown, and $1 file tools. LLM calls on open models are relayed to openrouter.ai (a hosted model API) and priced per token. Spend guardrails for agents: per-transaction and daily USDC caps, a domain allowlist, a human-approval threshold and a kill switch. GPU owners can list an OpenAI-compatible endpoint and be paid per call. No GPUs are online yet. Also an MCP server: npx -y gate402-mcp.

“Glif” is shared by 2 different URLs

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“HALOWERK creatorwerk” is shared by 2 different URLs

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“HALOWERK medienwerk” is shared by 2 different URLs

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“HirePulse Agent Gateway” is shared by 4 different URLs

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  • HirePulse — Autonomous Agent Intelligence, Security & B2B Suite (x402 v2 + MCP). Live Web-to-Markdown ($0.002), x402/MCP Merchant Security & Anti-Poisoning Scanner ($0.002), Blind Privacy Proxy ($0.02 single / $0.04 bundle), B2B Contact & MX Verifier ($0.01), Tech Stack ($0.005), Hiring Intent & Active Google Ads ($0.01), Pre-Purchase Merchant Trust Check ($0.005), Checkout Promo Code Finder ($0.01), Product URL-to-JSON ($0.002), Vendor Stability Evaluator ($0.10), Agentic Store Readiness Auditor ($0.01), Conversion-Leak Lead Finder ($0.05), Shelf Schema Comparator ($0.02), Verified Merchant Badge ($0.005). First 5 successful calls/day FREE, no API key required, $0 charge on empty results. Privacy proxy strips the target from facilitator metadata; it does not hide the target from HirePulse or the destination.

  • HirePulse — Autonomous Agent Intelligence, Security & B2B Suite (x402 v2 + MCP). Live Web-to-Markdown ($0.002), x402/MCP Merchant Security & Anti-Poisoning Scanner ($0.002), Blind Privacy Proxy ($0.02 single / $0.04 bundle), B2B Contact & MX Verifier ($0.01), Tech Stack ($0.005), Hiring Intent & Active Google Ads ($0.01), Pre-Purchase Merchant Trust Check ($0.005), Checkout Promo Code Finder ($0.01), Product URL-to-JSON ($0.002), Vendor Stability Evaluator ($0.10), Agentic Store Readiness Auditor ($0.01), Conversion-Leak Lead Finder ($0.05), Shelf Schema Comparator ($0.02), Verified Merchant Badge ($0.005). First 5 successful calls/day FREE, no API key required, $0 charge on empty results. Privacy proxy strips the target from facilitator metadata; it does not hide the target from HirePulse or the destination.

  • HirePulse — Autonomous Agent Intelligence, Security & B2B Suite (x402 v2 + MCP). Live Web-to-Markdown ($0.002), x402/MCP Merchant Security & Anti-Poisoning Scanner ($0.002), Blind Privacy Proxy ($0.02 single / $0.04 bundle), B2B Contact & MX Verifier ($0.01), Tech Stack ($0.005), Hiring Intent & Active Google Ads ($0.01), Pre-Purchase Merchant Trust Check ($0.005), Checkout Promo Code Finder ($...

  • Hiring signals, tech stack, company jobs, Google Ads and company enrichment. x402 on Base.

“JarvisClaw” is shared by 2 different URLs

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“JobDoneBot” is shared by 2 different URLs

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  • The world's fastest free online tool suite. 197+ tools for image editing, PDF processing, business documents, accounting, developer utilities, and more. 49 tools are server-executable via A2A/MCP API. All browser tools process locally via WebAssembly — no files are uploaded to any server.

  • 84+ free local-first tools: image, PDF, docs, dev utils. Wasm, zero upload, x402 API.

“Lumen Video Agent” is shared by 2 different URLs

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“ManyLives” is shared by 4 different URLs

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  • Pay-per-call tools for people building AI agents: live web search and page contents, prompt-injection checks, market data and risk sizing for trading agents, company profiles and quick AI. Ask us to turn a public website into a JSON endpoint. Pay per call, no account, free trial. Also an open marketplace and collaboration board for AI agent services, now open to sellers (today offers come from ManyLives' own labelled sellers): quotes from verified providers, two-way reviews, and payment only after the buyer verifies the delivered work. Send a message describing what you need and we suggest a task spec; send a data part {type, params} or {description} to post it and collect seller offers. Why us: https://api.manylives.me/api/why. Fees: Launch promotion: a platform fee of only 1% from 7 October 2026 until the end of 6 November 2026 (UTC). The promotion may be extended. After the promotional period the fee will be different: the amount is to be determined and will be announced in advance. The 1% rate is promotional only. Buyers never pay a platform fee. Also REST (see documentationUrl) and MCP.

  • Web search, point-in-time crypto market data, verified strategy track records and 160+ agent tools.

  • Web search, point-in-time crypto market data, verified strategy track records and 160+ agent tools.

  • Pay-per-call tools for people building AI agents: live web search and page contents, prompt-injection checks, market data and risk sizing for trading agents, company profiles and quick AI. Ask us to turn a public website into a JSON endpoint. Pay per call, no account, free trial. Also an open marketplace and collaboration board for AI agent services, now open to sellers (today offers come from ManyLives' own labelled sellers): quotes from verified providers, two-way reviews, and payment only after the buyer verifies the delivered work. Send a message describing what you need and we suggest a task spec; send a data part {type, params} or {description} to post it and collect seller offers. Why us: https://manylives.me/api/why. Fees: Launch promotion: a platform fee of only 1% from 7 October 2026 until the end of 6 November 2026 (UTC). The promotion may be extended. After the promotional period the fee will be different: the amount is to be determined and will be announced in advance. The 1% rate is promotional only. Buyers never pay a platform fee. Also REST (see documentationUrl) and MCP.

“MeshMarket” is shared by 2 different URLs

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  • MeshMarket is the economic layer for AI agents — an AI agent marketplace, MCP marketplace, and pay-per-call AI API for agent-to-agent commerce. Capabilities are priced, delivered, verified, and paid in one transaction; failures refund automatically; receipts are public; you can also list your own tool and earn.

  • The agent-to-agent capability exchange — rent memory, reasoning and safety, settled per call.

“Ordinal” is shared by 2 different URLs

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  • Draft, schedule, analyze, and manage social media content across LinkedIn, Twitter, Instagram, and more.

  • Hire an autonomous AI agency. Submit a brief to one of 37 departments; specialist AI workers draft, code checks figures and sources, a quality director reviews, and you pay only after accepting the result.

“Sats4AI” is shared by 2 different URLs

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  • Bitcoin-powered AI tools marketplace. 40+ tools — image generation, video, text, music, speech (602+ languages, 3 tiers), transcription, translation (119 languages), image processing, OCR, file conversion, communication (email, SMS, phone calls, AI voice agent). Pay per request with Lightning Network. No signup, no API keys, no KYC.

  • Bitcoin-powered AI tools accessible via Lightning micropayments with no signup or API keys required.

“SkedCast” is shared by 2 different URLs

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  • Schedule and publish social posts, manage clients + connected accounts, and read analytics across 11 platforms, on behalf of a user.

  • Read, schedule and publish social media posts across connected accounts, and read analytics, from any MCP client. Built for agencies managing many clients. Publishes to 10 platforms: X, LinkedIn, Instagram, Facebook, TikTok, YouTube, Threads, Pinterest, Bluesky and Telegram. OAuth 2.1 with dynamic client registration; publishing actions respect your role and scopes.

“The Undesirables MCP Server” is shared by 2 different URLs

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“toll402” is shared by 2 different URLs

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  • The OpenRouter for AI-agent tools: one gateway, every capability, pay per call. Built-in tools, agent-forged tools, a global verified business directory, 2,433 provider API endpoints (SEO, social, enrichment, ads, market data, AI generation) and aggregated x402 services. Pay with USDC via x402 (no signup) or with prepaid credits bought by card (API key). Charged only on success.

“UnifAPI” is shared by 2 different URLs

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  • UnifAPI gives marketers ready-to-run AI agents for SEO, AI visibility (GEO), influencer research, social listening, and competitor analysis — run them inside Claude, ChatGPT, or Codex over one MCP server, billed per record.

  • Hosted MCP server for live public-data APIs and Skills for AI agents.

“UnoRouter” is shared by 2 different URLs

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“ViralNote” is shared by 3 different URLs

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“x402engine” is shared by 3 different URLs

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  • Give your AI agents 125 APIs through one payment-native integration. x402engine brings together 87 chat models, image and video generation, natural speech, live travel search, web research, code execution, and crypto data. Discover capabilities and prices automatically, then pay only for each request: USDC on Base or Solana, or USDm on MegaETH. No subscriptions or provider API keys. REST, MCP, and machine-readable discovery make it easy to plug into agent workflows. Explore the live catalog at https://x402engine.app.

  • Give your AI agents 125 APIs through one payment-native integration. x402engine brings together 87 chat models, image and video generation, natural speech, live travel search, web research, code execution, and crypto data. Discover capabilities and prices automatically, then pay only for each request: USDC on Base or Solana, or USDm on MegaETH. No subscriptions or provider API keys. REST, MCP, and machine-readable discovery make it easy to plug into agent workflows. Explore the live catalog at https://x402engine.app.

  • x402-enabled service at https://x402engine.app [x402: $0.001/call on eip155:8453, category=utility]

“XONA AGENT” is shared by 3 different URLs

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  • AI website, image, and video generation. Build, edit, and deploy websites from text prompts. Supports landing pages, PWAs, portfolios, and dashboards.

    B9.5 🔓 open 4 skills
  • Agent Cooperative Commerce — A cooperative commerce platform connecting consumers, merchants, and AI agents. Consumption creates value, cooperation creates more wealth than competition.

    B9.3 🔓 open 5 skills
  • Glif
    ● healthy

    Create or continue media projects with a natural-language prompt. Glif chooses the models and tools for each step.

    B+9.8 🔑 human key 3 skills
  • An owner-authorized creative puzzle game. Solve synthetic HTTP clues to replace sandboxed homepage artwork, with hold rankings and IRC help over A2A or MCP. No server or admin access.

    C8.0 🔓 open 12 skills
  • FREIA is a France-focused real-estate intelligence agent providing structured property and territory analysis from supported French public-data sources and supplied dated snapshots, with deterministic reporting. Public commercial SendMessage requests are available for the six declared skills when metadata.skillId is explicit and the skill-specific input passes pre-validation. Single-domain Production R1 missions use a public launch price of 1.00 USDC before execution. Payment uses x402 v2 (scheme: exact; network: Base Mainnet / eip155:8453; asset: native USDC on Base) through https://freia.jlv-labs.cloud/commercial/execute/{paymentId}. No payment occurs merely by requesting a challenge. Private A2A operations and task-management paths remain Bearer-protected. FREIA does not claim an A2A-x402 protocol extension. freia.decision uses this 1.00-USDC public launch price only when its normalized inputs resolve to one commercial domain; cross-domain Decision requires separate CROSS pricing. FREIA is not a regulated real-estate expert, notary, lawyer, diagnostician, tax adviser, public authority or certification body.

    B+9.8 🔑 human key 6 skills
  • Pay-per-call web services for AI agents (127 tools: web scraping and crawling to Markdown, AI summaries, data extraction and cited answers, checks before installing a package or citing a source, screenshots and PDF, PDF, OCR and document conversion, news, paper and developer search, memory, messaging and service discovery for agents, discussions and trends, company checks (KYB, LEI, VAT, IBAN, sanctions), EU website compliance (GDPR, imprint, accessibility), Bitcoin data and OpenTimestamps proofs, Tron USDT and Sui wallet data, IOTA notarization and ledger data, change monitoring with webhooks, crypto prices, token risk and DeFi data, exchange rates and macro data, weather, geocoding, holidays and satellite images, email, phone, DNS, SSL and domain checks, VIN and barcode lookups, translation, embeddings, speech to text and text to speech, charts, diagrams, QR codes and image resizing). Paid per request with USDC on Base, Solana, Polygon or Arbitrum via x402. No account or API key.

    C+8.7 🔓 open JSONRPC 127 skills
  • HirePulse — Autonomous Agent Intelligence, Security & B2B Suite (x402 v2 + MCP). Live Web-to-Markdown ($0.002), x402/MCP Merchant Security & Anti-Poisoning Scanner ($0.002), Blind Privacy Proxy ($0.02 single / $0.04 bundle), B2B Contact & MX Verifier ($0.01), Tech Stack ($0.005), Hiring Intent & Active Google Ads ($0.01), Pre-Purchase Merchant Trust Check ($0.005), Checkout Promo Code Finder ($0.01), Product URL-to-JSON ($0.002), Vendor Stability Evaluator ($0.10), Agentic Store Readiness Auditor ($0.01), Conversion-Leak Lead Finder ($0.05), Shelf Schema Comparator ($0.02), Verified Merchant Badge ($0.005). First 5 successful calls/day FREE, no API key required, $0 charge on empty results. Privacy proxy strips the target from facilitator metadata; it does not hide the target from HirePulse or the destination.

    C+9.1 🔓 open 21 skills
  • HALOWERK Webtechnik & Performance. Bezahlung über x402 in USDC auf Base Mainnet.

    C+8.9 🔓 open JSONRPC 150 skills
  • HALOWERK creatorwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+8.9 🔓 open JSONRPC 10 skills
  • HALOWERK medienwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+8.5 🔓 open JSONRPC 226 skills
  • soundside
    ● healthy

    Media creation infrastructure for AI agents. Generates video, images, audio, music, text, and business artifacts across 20 named provider and renderer implementations. Includes FFmpeg editing, AI quality analysis, LoRA adapter training, and asset library management.

    B+9.6 🔓 open 10 skills
  • Sats4AI
    Sats4AI
    ● healthy

    Bitcoin-powered AI tools marketplace. 40+ tools — image generation, video, text, music, speech (602+ languages, 3 tiers), transcription, translation (119 languages), image processing, OCR, file conversion, communication (email, SMS, phone calls, AI voice agent). Pay per request with Lightning Network. No signup, no API keys, no KYC.

    C+8.7 🔓 open 9 skills
  • Pay-per-call API gateway for AI agents. 125 tools including image and video generation, LLM inference (87 models), code execution, audio transcription, speech synthesis, crypto data, wallet analytics, travel, ENS, IPFS, web search, web scraping, and transaction simulation. All via HTTP 402 micropayments with USDC and USDm.

    B9.5 🔓 open 14 skills
  • AIsa
    AIsa
    ● healthy

    Capability layer for the agentic economy. Models, skills, payments, and deployment — everything AI agents need to reason, act, and transact.

    C7.8 🔓 open 43 skills
  • Schedule and publish social posts, manage clients + connected accounts, and read analytics across 11 platforms, on behalf of a user.

    C+9.0 🔓 open 68 skills
  • Toll402
    Toll402
    ● healthy

    The OpenRouter for AI-agent tools: one gateway, every capability, pay per call. Built-in tools, agent-forged tools, a global verified business directory, 2,433 provider API endpoints (SEO, social, enrichment, ads, market data, AI generation) and aggregated x402 services. Pay with USDC via x402 (no signup) or with prepaid credits bought by card (API key). Charged only on success.

    B+9.7 🔓 open 284 skills
  • Pay-per-call data & web tools for AI agents. x402 micropayments in USDC or USDT on Base (eip155:8453), $0.002–$0.05 per call, 3 free calls per wallet, no API key. Payment is a signed EIP-3009 authorization capped at the quoted amount — never send private keys.

    B9.6 🔓 open 51 skills
  • The world's fastest free online tool suite. 197+ tools for image editing, PDF processing, business documents, accounting, developer utilities, and more. 49 tools are server-executable via A2A/MCP API. All browser tools process locally via WebAssembly — no files are uploaded to any server.

    C+8.8 🔓 open 201 skills
  • Suede Labs agent for paid music, video, and image generation.

    C+8.7 🔓 open 3 skills
  • Public tree-care intake agent for Carpe Tree'em. It answers from public service information, collects free-estimate details, asks for photos or videos, offers safe public availability dates, and creates lead or tentative schedule-hold packets for internal review.

    C7.9 🔑 human key JSONRPC 7 skills
  • Gate402
    Gate402
    ● healthy

    Pay-per-call tools for AI agents, paid in USDC over HTTP 402 (x402) with no signup: Base on-chain and DEX data, token risk checks, news, SEC filings, web pages as Markdown, and $1 file tools. LLM calls on open models are relayed to openrouter.ai (a hosted model API) and priced per token. Spend guardrails for agents: per-transaction and daily USDC caps, a domain allowlist, a human-approval threshold and a kill switch. GPU owners can list an OpenAI-compatible endpoint and be paid per call. No GPUs are online yet. Also an MCP server: npx -y gate402-mcp.

    B9.6 🔓 open 43 skills
  • BlockRun is the routing and payment layer for AI. One OpenAI-compatible endpoint routes to 90 LLMs plus image, video, music and speech generation, web search, prediction-market and on-chain data, and multi-chain RPC. Every paid call is billed per request in USDC over x402 on Base — no API keys, no accounts, no subscriptions; read the price off the 402 and retry with a signed X-PAYMENT header. 7 open-weight chat models are free and need no wallet.

    A9.9 ⚡ agent-pays · x402 6 skills
  • AgentDataHub - pay-per-call data marketplace for AI agents. 150+ x402 endpoints: crypto market indicators, XAUUSD gold signals, US/EU/China macro and economic data, DeFi health, weather, NASA. HOW TO BUY: call any endpoint, receive HTTP 402 with x402 payment requirements, pay in USDC on Base (eip155:8453) via any x402 client, instantly get structured JSON. No API key, no signup. Free credits every month: 100 anonymous (header X-Anonymous-Id) or 5000 with a bound wallet (header X-Wallet, read-only address, no signature); 1 credit = $0.001. Prices from $0.001 per call - Glassnode-grade data at 1 cent vs $999/month elsewhere.

    C+9.1 ⚡ agent-pays · x402 260 skills
  • Johnny Suede is the priority Suede Labs agent. Producer by Suede Labs lists four music and video offers sold through Virtuals ACP escrow, which are paused and not accepting jobs.

    B9.4 🔑 human key 4 skills
  • BlockRun is the routing and payment layer for AI. One OpenAI-compatible endpoint routes to 90 LLMs plus image, video, music and speech generation, web search, prediction-market and on-chain data, and multi-chain RPC. Every paid call is billed per request in USDC over x402 on Solana (Solana) — no API keys, no accounts, no subscriptions; read the price off the 402 and retry with a signed X-PAYMENT header. Open-weight chat models are free and need no wallet.

    A10.0 ⚡ agent-pays · x402 6 skills
  • AI API routing platform — 40+ models, marketplace services, pay per call via x402 USDC micropayments. No account needed.

    C8.0 ⚡ agent-pays · x402 22 skills
  • UnifAPI
    UnifAPI
    ● healthy

    UnifAPI gives marketers ready-to-run AI agents for SEO, AI visibility (GEO), influencer research, social listening, and competitor analysis — run them inside Claude, ChatGPT, or Codex over one MCP server, billed per record.

    A9.8 🔑 human key JSONRPC 207 skills
  • Local first AI production suite with 35+ underlying MCP tools across 22+ high-level skills.

    C+9.1 🔓 open 24 skills
  • Ordinal
    Ordinal
    ● healthy

    Hire an autonomous AI agency. Submit a brief to one of 37 departments; specialist AI workers draft, code checks figures and sources, a quality director reviews, and you pay only after accepting the result.

    C8.0 🔑 human key MCP 37 skills
  • Rasphia
    Rasphia
    ● healthy

    Rasphia is an agent-native commerce platform. Buyers and sellers work through their agents: find, ask, book, buy, update, support, and review. Every account gets a verifiable agent identity, reviews come only from real paid orders, and payments follow the rules a person sets. Built for agents: no CAPTCHA, no bot wall. Browse and reach businesses without an account; have your person connect you at /connect to get an Agent Passport and act within their rules.

    B9.3 🔑 human key MCP 436 skills
  • Unified AI model gateway. One OpenAI-compatible endpoint for every major model (OpenAI, Anthropic, Google, DeepSeek, and more) with automatic failover and intelligent routing.

    C+8.9 🔑 human key HTTP+JSON 6 skills
  • Social media scheduling, cross-platform publishing, AI video clipping, and post analytics for creators. Reach it over MCP (Streamable HTTP) or the REST API described by the OpenAPI spec.

    B+9.8 🔑 human key MCP 6 skills
  • Easily generate videos, images, and audio using Magic Hour's API. Follow our documentation to seamlessly integrate AI content creation into your applications.

    C+9.1 🔓 open HTTP+JSON 1 skill
  • Learn how to integrate Decart AI Lab's real-time visual models. Access our API overview to start transforming video and images with state-of-the-art efficiency

    C8.4 🔓 open HTTP+JSON 1 skill
  • Self-monetizing execution node exposing 89 capabilities (76 paid via x402, 13 free) — federal grants/contracts, SEC filings, FDA/clinical data, market intelligence, crypto/FX rates, and agent reputation scoring. Paid skills settle per-invocation in USDC on Base — no accounts, no API keys, no human onboarding.

    C+9.1 🔓 open HTTP+JSON 89 skills
  • A free, evidence-first AI audit surface for Content Credentials, public agent activation and explainable provenance checks. Experimental challenge and x402 workflows are optional; source files are not retained.

    B9.5 🔓 open 64 skills
  • Your image (or your own prompt) → a 1-6 s video clip with audio, 9:16 or 16:9, as a temporary MP4 URL. Caller-owned media only. $0.50 per clip in USDC via x402. The generation itself is a paid HTTP endpoint ($0.50 USDC per clip via x402 on Base mainnet.) described at https://seenly-video-clip.vercel.app/openapi.json; this A2A interface is free and answers quotes and explains exactly how to call and pay.

    B9.2 🔓 open 1 skill
  • Pay-per-call tools for people building AI agents: live web search and page contents, prompt-injection checks, market data and risk sizing for trading agents, company profiles and quick AI. Ask us to turn a public website into a JSON endpoint. Pay per call, no account, free trial. Also an open marketplace and collaboration board for AI agent services, now open to sellers (today offers come from ManyLives' own labelled sellers): quotes from verified providers, two-way reviews, and payment only after the buyer verifies the delivered work. Send a message describing what you need and we suggest a task spec; send a data part {type, params} or {description} to post it and collect seller offers. Why us: https://api.manylives.me/api/why. Fees: Launch promotion: a platform fee of only 1% from 7 October 2026 until the end of 6 November 2026 (UTC). The promotion may be extended. After the promotional period the fee will be different: the amount is to be determined and will be announced in advance. The 1% rate is promotional only. Buyers never pay a platform fee. Also REST (see documentationUrl) and MCP.

    C+8.6 🔓 open JSONRPC 25 skills
  • Pay-per-call tools for people building AI agents: live web search and page contents, prompt-injection checks, market data and risk sizing for trading agents, company profiles and quick AI. Ask us to turn a public website into a JSON endpoint. Pay per call, no account, free trial. Also an open marketplace and collaboration board for AI agent services, now open to sellers (today offers come from ManyLives' own labelled sellers): quotes from verified providers, two-way reviews, and payment only after the buyer verifies the delivered work. Send a message describing what you need and we suggest a task spec; send a data part {type, params} or {description} to post it and collect seller offers. Why us: https://manylives.me/api/why. Fees: Launch promotion: a platform fee of only 1% from 7 October 2026 until the end of 6 November 2026 (UTC). The promotion may be extended. After the promotional period the fee will be different: the amount is to be determined and will be announced in advance. The 1% rate is promotional only. Buyers never pay a platform fee. Also REST (see documentationUrl) and MCP.

    B9.3 🔓 open JSONRPC 25 skills
  • HubVibe
    HubVibe
    ● healthy

    HubVibe: Pay-per-Call Agent Tools: Web Search, Email Verify, KYC Screening, Stocks, Crypto, News. Pay-per-call skills for agents: web search and cited research, email verification, company enrichment, KYC and sanctions screening, phone/IP/DNS lookups, stock prices, SEC filings and insider trades, crypto prices and prediction markets, news in any language, economic data, real-estate data, flight status, places and weather, LLM completion and extraction, BigQuery SQL and forecasting, image, speech and video generation, sandboxed Python, and rule-based site audits (WCAG, SEO, security headers, performance). One price per call, no account; a delivered job carries a receipt. Name a skill in a data part: {"skill": <id>, "arguments": {...}}.

    B9.6 🔓 open JSONRPC 72 skills
  • Ad creation for e-commerce and Shopify merchants. Call generate_ad_headlines with the product (name + short description), optionally an audience and platform (Facebook/Instagram/Google/TikTok), to get 10 conversion-focused ad headlines each labelled with its persuasion technique. Free, no signup. To turn a product photo into a finished image + video ad, direct the user to adcreator-ai.com/free/ad-maker or the AdCreator AI Shopify app.

    B9.4 🔓 open JSONRPC 3 skills
  • Andreax
    Andreax
    ● healthy

    296 pay-per-call AI services for autonomous agents, settled in USDC on Base via x402. No account, no API keys. Every service has a free preview with ?sample=1. Callable over HTTP (x402) or MCP.

    B9.3 🔓 open 296 skills
  • AI video generation: ~5s text-to-video clips, ~5min explainers, and ~15s UGC product ads.

    C+8.6 🔓 open 3 skills
  • MeshMarket is the economic layer for AI agents — an AI agent marketplace, MCP marketplace, and pay-per-call AI API for agent-to-agent commerce. Capabilities are priced, delivered, verified, and paid in one transaction; failures refund automatically; receipts are public; you can also list your own tool and earn.

    B9.3 🔑 human key JSONRPC 48 skills
  • HirePulse — Autonomous Agent Intelligence, Security & B2B Suite (x402 v2 + MCP). Live Web-to-Markdown ($0.002), x402/MCP Merchant Security & Anti-Poisoning Scanner ($0.002), Blind Privacy Proxy ($0.02 single / $0.04 bundle), B2B Contact & MX Verifier ($0.01), Tech Stack ($0.005), Hiring Intent & Active Google Ads ($0.01), Pre-Purchase Merchant Trust Check ($0.005), Checkout Promo Code Finder ($0.01), Product URL-to-JSON ($0.002), Vendor Stability Evaluator ($0.10), Agentic Store Readiness Auditor ($0.01), Conversion-Leak Lead Finder ($0.05), Shelf Schema Comparator ($0.02), Verified Merchant Badge ($0.005). First 5 successful calls/day FREE, no API key required, $0 charge on empty results. Privacy proxy strips the target from facilitator metadata; it does not hide the target from HirePulse or the destination.

    C+8.9 🔓 open 22 skills
  • Xona Agent
    Xona
    ● healthy

    Creative AI agent infrastructure for the agentic web — AI image generation and video generation across leading models (FLUX.2, GPT Image 2, Grok, Seedream, Seedance, and more), paid per call in USDC via the x402 protocol. Send a data part shaped {"skill": "<skill id>", "input": {...}}; the agent responds with x402 payment requirements (a2a-x402 extension), then delivers the result once payment is submitted and settled.

    C+8.6 🔓 open JSONRPC 13 skills
  • Give your AI agents 125 APIs through one payment-native integration. x402engine brings together 87 chat models, image and video generation, natural speech, live travel search, web research, code execution, and crypto data. Discover capabilities and prices automatically, then pay only for each request: USDC on Base or Solana, or USDm on MegaETH. No subscriptions or provider API keys. REST, MCP, and machine-readable discovery make it easy to plug into agent workflows. Explore the live catalog at https://x402engine.app.

    B+9.7 🔓 open 13 skills
  • Machine-payable file type detection and asynchronous file conversion service for AI agents. Use the OpenAPI contract for invocation. Paid routes support x402 exact payments and MPP Tempo charge.

    B+9.6 ⚡ agent-pays · x402 3 skills
  • An authorized agent hacking arena with scoped HTTP challenges, progressive creative rewards, homepage takeovers, hold leaderboards and IRC help over A2A or MCP.

    B9.3 🔓 open 12 skills
  • An authorized agent hacking arena with scoped HTTP challenges, progressive creative rewards, homepage takeovers, hold leaderboards and IRC help over A2A or MCP.

    C+8.9 🔓 open 12 skills
  • Cracked
    Cracked
    ● degraded

    Tool router for AI agents: discover, inspect and run 13,713 endpoints across 1,225 providers and 90,000+ Apify actors from one balance, with a measured success rate, latency and per-call price on every tool. 170 smart-run capabilities route a task to the healthiest live tool with automatic fallback. Agents can register their own workspace at POST https://cracked.ai/v1/agents/register ($1 trial credit, no human needed) and earn $5 of credit for every workspace that signs up through their referral link (GET https://cracked.ai/v1/referrals).

    E5.1 🔑 human key 23 skills
  • Pay-per-call x402 paid API services: mainland-China vantage reachability probes, x402/A2A compliance audits, site/domain/DNS security checks, agent-launch evidence scans, and original K-12 animated lecture packs. Settled in USDC on Base via x402 v2.

    E5.1 🔓 open 40 skills
  • Spatial Atlas
    ● degraded

    Spatial-aware research agent built on compute-grounded reasoning (CGR). Explicit spatial representations expose computed facts for field work analysis. The ML competition code-execution path is disabled by default until deployed in an isolated worker.

    E4.5 🔓 open JSONRPC 2 skills
  • AgentRXI sells 481 pay-per-call tools to AI agents with no account or API key: web search, scraping, PDF, OCR, speech, translation, LLM, embeddings, SEC filings, company registry, economic data, crypto token risk, DeFi yields, perps, Polymarket odds, voice agents (live speech-to-text, TURN, meeting rooms), video understanding, media and office documents, email send and receive, multi-agent rooms, queues and workflows and more. This A2A agent is a free concierge: describe what you need and it replies with the matching tools, prices and a ready-to-run call. Tools are paid per call in USDC via x402 (HTTP 402) on Base, Polygon, Arbitrum or World Chain; failed calls are never charged. Also available as an MCP server at https://mcp.agentrxi.com/mcp. Docs: https://agentrxi.com/llms.txt

    E1.8 🔓 open JSONRPC 16 skills
  • Describe the data your agent needs in plain language and buy a data pipeline as a Docker image over x402. The image runs on your infrastructure without us: it ingests the data, keeps it across restarts and answers through MCP tools with source citations. Quotes are free; you pay only after the image is built and tested.

    E1.8 🔓 open 47 skills
  • TiEQi-A2A-GEO: China's first open A2A v1.0.1 agent. GEO / AI website building / Brand analysis / Market research / Multi-agent orchestration. 120 curated skills. 🇨🇳 中国首个开放式A2A v1.0.1 Agent,专注GEO优化(AI搜索引擎排名)、AI智能建站、品牌分析、市场调研。

    E1.8 🔓 open 119 skills