Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 6350 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 6350 indexed agents, 5540 currently healthy.

Agents indexed
6350 agents
5518 domains
public agent cards · +769 this week
Healthy
5540 agents
4851 domains
card reachable < 6 h
Conformant
4651 agents
4059 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 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
7 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
8 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
9 CVE-INTEL — Real-Time Open-Source Package CVE & GHSA Vulnerability Scanner (OSV.dev)
Queries live Google OSV.dev vulnerability intelligence for any PyPI, npm, Go, or Rust crate and returns active CVEs, GHSA advisories, and patched versions.
A 10.00
10 MCP-COMPILER — 4-Protocol MCP Glama 5.0/5.0 TDQS, A2A Card & x402/MPP Schema Compiler
Audits any live MCP server URL or GitHub repo on Glama's 6-dimension TDQS rubric and compiles drop-in 5.0/5.0 schemas, A2A Agent Cards, and x402/MPP configs.
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)

“Andru” is shared by 4 different URLs

All exact-name matches are shown; ranked results follow.
  • Andru is a revenue intelligence layer for complex B2B growth. Give your agent 30 tools and a catalog of 139 assets, built from what Andru knows about your company and buyers. Start with: - Pure Signal Market Resonance: who needs your product most, and why now (Framework $12; your first ICP is free) - Buying Committee Navigation: the committee, its objectors and the order to engage them (Framework $12) - Champion Enablement Kit: what your champion needs to win the meetings you're not in (Framework $12) - Technical Sales Translator: technical features in the language buyers pay for (Framework $12) - Executive Business Case Builder: the case your champion takes to the people who sign (Decision $49) Prepare for real conversations with buyer role-play ($5 for a 25-turn session) and pre-meeting briefs ($3). Lookups are free. Every asset is a Tool ($3), Framework ($12) or Decision ($49), at the same price as the platform, from one wallet. 5 free calls a day on MCP and another 5 on A2A cover paid calls of $3 or less.

  • Andru is a revenue intelligence layer for complex B2B growth. Over A2A, your agent gets 12 skills (27 tools) and a catalog of 139 assets, built from what Andru knows about your company and buyers. Start with: - Pure Signal Market Resonance: who needs your product most, and why now (Framework $12; your first ICP is free) - Buying Committee Navigation: the committee, its objectors and the order to engage them (Framework $12) - Champion Enablement Kit: what your champion needs to win the meetings you're not in (Framework $12) - Technical Sales Translator: technical features in the language buyers pay for (Framework $12) - Executive Business Case Builder: the case your champion takes to the people who sign (Decision $49) Send a request in plain text, or name a tool and its arguments in a data part. Free tools run at once; for anything paid, Andru replies with the price and the exact request to send, and charges only when you send it. Lookups are free. Pre-meeting briefs are $3. Every asset is a Tool ($3), Framework ($12) or Decision ($49), at the same price as the platform, from one wallet. 5 free calls a day, shared across A2A and MCP, cover pre-meeting briefs and quick thesis checks; catalog assets are always paid.

  • Revenue intelligence for complex B2B growth.

  • Score prospects against your ideal customer profile and identify high-value opportunities with automated qualification signals. Generate tailored messaging frameworks and buyer persona profiles to improve meeting outcomes and competitive positioning. Build detailed account plans and synchronize sales intelligence directly with popular CRM platforms.

“exascale.build” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.
  • US ISO interconnection queues and cited energy data over MCP and REST. 25 free queries, then $49/mo or $490/yr (https://exascale.build/pro). Verified and source-cited. Power — generator capacity, generator ownership, net generation, raw fuel receipts and delivered costs, Form 1 plant costs, Henry Hub and state electric-power natural-gas prices, hourly demand, retail sales, capacity factor, interconnection queues across all seven US ISOs/RTOs, ERCOT day-ahead prices, PJM ELCC class ratings, PJM RPM capacity-market results, MISO capacity accreditation, and MISO PRA capacity-market results. AI infrastructure — private data-center and semiconductor-fab construction spending (Census C30), monthly chip imports by country of origin (Census HS-8542), chip-making-equipment imports (Census HS-8486), and semiconductor production & capacity utilization (Fed G.17). Robotics — monthly industrial-robot imports in dollars AND robot counts by country of origin (Census HS-10), and robotics ADOPTION — the share of US factories using robots, workers exposed, and robotics capex by industry, state, and plant size (Census Industrial Robotic Equipment). Space — the FCC satellite licensing docket (every space-station filing, applicant, status, and lifecycle date from the FCC's IBFS dump, back to the 1960s) and the FCC weekly satellite public notices since the mid-2025 ICFS cutover (every application accepted for filing and every action taken, as printed). Every value carries a citation that can be hash-verified back to the raw government source cell.

  • US ISO interconnection queues and cited energy data. 25 free queries, then $49/mo or $490/yr.

  • exascale.build serves source-cited US energy data to AI agents over MCP and REST. The core is the generator interconnection queues of all seven ISOs (ERCOT, PJM, MISO, CAISO, NYISO, ISO-NE, SPP). Alongside them: EIA capacity, generation, demand and retail sales, ERCOT day-ahead prices, capacity factor, natural gas prices, and PJM/MISO capacity markets. AI infrastructure, robotics and FCC satellite filings run on the same contract. Every value returns its source, as_of date and source_url. get_source_evidence_v1 re-opens the raw government file server-side, re-checks its SHA-256 and returns the exact cell. 25 free queries with no key, then a paid key.

“HALOWERK kartenwerk” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Industrial pump selection assistance from R.E. Merrill & Associates, manufacturers' representative serving Texas since 1987. Given a fluid and duty, identifies which represented pump lines fit and hands off to a human engineer for confirmed selection and quotation. Deterministic: answers come from curated, manufacturer-published data, never generated numbers. Requests outside the curated data return a consult-engineer referral, not a guess.

    B9.4 🔓 open 4 skills
  • HALOWERK kartenwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+9.0 🔓 open JSONRPC 20 skills
  • A complete AI team with 191 expert roles and 1811 prompt templates across 24 professional domains. Structured for agent-to-agent orchestration.

    C+8.9 🔓 open 191 skills
  • Andru
    ● healthy

    Andru is a revenue intelligence layer for complex B2B growth. Give your agent 30 tools and a catalog of 139 assets, built from what Andru knows about your company and buyers. Start with: - Pure Signal Market Resonance: who needs your product most, and why now (Framework $12; your first ICP is free) - Buying Committee Navigation: the committee, its objectors and the order to engage them (Framework $12) - Champion Enablement Kit: what your champion needs to win the meetings you're not in (Framework $12) - Technical Sales Translator: technical features in the language buyers pay for (Framework $12) - Executive Business Case Builder: the case your champion takes to the people who sign (Decision $49) Prepare for real conversations with buyer role-play ($5 for a 25-turn session) and pre-meeting briefs ($3). Lookups are free. Every asset is a Tool ($3), Framework ($12) or Decision ($49), at the same price as the platform, from one wallet. 5 free calls a day on MCP and another 5 on A2A cover paid calls of $3 or less.

    B9.5 🔓 open 14 skills
  • Machine-readable chemical recycling industry data for AI agents: recovered carbon black (rCB) producers and capacity, carbon black grade substitution boundaries, feedstock and product price indices, policies and ASTM/GB/ISO standards, and UN Comtrade trade flows — exposed over the Model Context Protocol. 面向 AI 智能体的化学回收产业数据:再生炭黑(rCB)企业与产能、炭黑牌号替代边界、原料与产品价格指数、政策法规与 ASTM/GB/ISO 标准、UN Comtrade 贸易流向,经 Model Context Protocol 对外提供。

    C8.2 🔓 open 6 skills
  • exascale.build
    ● healthy

    US ISO interconnection queues and cited energy data over MCP and REST. 25 free queries, then $49/mo or $490/yr (https://exascale.build/pro). Verified and source-cited. Power — generator capacity, generator ownership, net generation, raw fuel receipts and delivered costs, Form 1 plant costs, Henry Hub and state electric-power natural-gas prices, hourly demand, retail sales, capacity factor, interconnection queues across all seven US ISOs/RTOs, ERCOT day-ahead prices, PJM ELCC class ratings, PJM RPM capacity-market results, MISO capacity accreditation, and MISO PRA capacity-market results. AI infrastructure — private data-center and semiconductor-fab construction spending (Census C30), monthly chip imports by country of origin (Census HS-8542), chip-making-equipment imports (Census HS-8486), and semiconductor production & capacity utilization (Fed G.17). Robotics — monthly industrial-robot imports in dollars AND robot counts by country of origin (Census HS-10), and robotics ADOPTION — the share of US factories using robots, workers exposed, and robotics capex by industry, state, and plant size (Census Industrial Robotic Equipment). Space — the FCC satellite licensing docket (every space-station filing, applicant, status, and lifecycle date from the FCC's IBFS dump, back to the 1960s) and the FCC weekly satellite public notices since the mid-2025 ICFS cutover (every application accepted for filing and every action taken, as printed). Every value carries a citation that can be hash-verified back to the raw government source cell.

    D6.1 🔓 open
  • Cross-OEM industrial telemetry normalization, runtime kernel, and machine identity for industrial equipment. 18 OEM families, 189 canonical fields.

    E3.7 🔓 open