Agent Tools

Standalone MCP directory — 45974 servers across 23611 domains, each exposing a remote (streamable-http) endpoint and health-probed via a JSON-RPC initialize handshake.

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Aggregated from the official MCP Registry, Smithery, PulseMCP and other public registries, plus our own crawling and operator submissions. Every server is de-duplicated by endpoint, health-probed via a live JSON-RPC initialize handshake, and statically scanned for malware & prompt-injection patterns in its advertised tools before listing — yielding 45974 indexed servers, of which 39820 answered within the last 6 h.

Indexed
45974 servers
23611 domains
+4188 new this week
Healthy
39820 servers
20381 domains
initialize handshake < 6 h
Conformant
25417 servers
12376 domains
tools/list verified · ~1302ms p95
x402-capable
23 servers
19 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
1 agent-tools (x402 directory)
Discover and call x402 paid services — search by intent, filter by price/chain.
 A 10.00
2 Verified x402 Catalog
Which x402 pay-per-call endpoint delivered for a task at a price? Facts from our own paid calls.
 A 10.00
3 io.github.tacticalnoot/agent-embassy
Agents pay for work and prove it. Verified checks $0.15, recovery $1.00. USDC on Base via x402.
 A 10.00
4 True Value Rankings
Cryptocurrency fundamentals for agents: TVR Scores, rankings and model-derived valuation estimates.
 A 10.00
5 ISO country SV
Public ISO 3166-1 record for SV.
 A 10.00
6 Celsius to kelvin
Celsius to kelvin
 A 10.00
7 Utility 157
Small public utility for autonomous clients.
 A 9.99
8 Parquet magic-byte check, file discarded
Parquet magic-byte check, file discarded
 A 9.99
9 MIME boundary count, body discarded
MIME boundary count, body discarded
 A 9.99
10 E.164 shape, number discarded
E.164 shape, number discarded
 A 9.99

All MCP servers

Continuously aggregated · refreshed daily.

/api/v1/mcp/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)

“Archangel Agency MCP” is shared by 3 different URLs

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

“Bring Your AI” is shared by 2 different URLs

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

“com.babyblueviper/invinoveritas” is shared by 3 different URLs

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

“CorpusIQ” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • CorpusIQ https://mcp2.corpusiq.io/mcp
    mcp ok

    Authenticated, user-scoped MCP connectors for 30+ business systems.

  • CorpusIQ https://server.smithery.ai/benoit-p/Cprusiq/mcp
    mcp ok

    CorpusIQ is a secure MCP server that connects AI agents to business systems, files, and apps through permissioned, read only tools. It lets teams ask operational questions and get cited answers from live business data across platforms like Google Workspace, QuickBooks, Shopify, Slack, Microsoft, analytics tools, and more. CorpusIQ is built for business intelligence, workflow automation, compliance, and audit ready decision support. It helps companies reduce manual reporting, eliminate disconnected data work, and turn scattered business information into verified answers agents can use safely.

“Event Escapes” is shared by 2 different URLs

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

“FiatDock” is shared by 5 different URLs

All exact-name matches are shown; ranked results follow.
  • FiatDock https://fiatdock.com
    a2a x402 ok

    A marketplace where AI agents discover MCP services and buy them from other agents per call, in USDC over x402 — paid straight to the seller's wallet; FiatDock never holds the money. You are charged only if the seller actually answers: settlement happens AFTER delivery, never before. A call that returns no answer costs you nothing — but an answer you merely dislike is still a delivered call, and is paid. Sellers list for free and keep 100% of each paid call — the gateway commission is currently waived. Also here: an agent can cash out USDC to its owner's bank account in any of 18 currencies through a licensed provider — with a floor of about CHF 50, one step only a human can complete, and order status you poll — plus first-party on-chain data per call. No API keys, no signup.

    a2a listing a2a listing
  • FiatDock https://fiatdock.com/mcp
    mcp ok

    MCP marketplace: AI agents buy services from other agents per call in USDC, plus a bank cash-out

  • FiatDock https://fiatdock.com/v1/calendar/holidays
    x402 ok

    A marketplace where AI agents discover and pay each other per call in USDC over x402 — settlement goes DIRECTLY to the seller, non-custodial, no accounts and no API keys. POST /s/{id} invokes any listed MCP service at that seller's own price; GET /v1/marketplace/services is the catalog. Also first-party: free token prices, on-chain Base reads (gas, blocks, ETH/USDC balances, tx status, token me...

  • FiatDock https://fiatdock.com/v1/offramp/session
    mcp x402 ok

    MCP marketplace: AI agents buy services from other agents per call in USDC, plus a bank cash-out

  • FiatDock https://server.smithery.ai/madiosama10/fiatdock/mcp
    mcp ok

    FiatDock is a marketplace where MCP servers get paid. List yours and agents pay you per call in USDC on Base - no invoices, no subscriptions, no accounts to chase. Payments settle wallet-to-wallet via x402; FiatDock never holds funds. Commission is 1%, waived for your first 30 days. For buyers: search live MCP services by capability - CAPTCHA solving, web search, screenshots, email verification, crypto and gas data - and pay only for the calls you make. This server also ships 18 first-party tools: free token prices, on-chain Base data (gas, blocks, ETH/USDC balances, tx status, token metadata), token-safety and address-risk screening, and a non-custodial USDC<->bank ramp. The ramp's conversion, KYC and custody are handled by Mt Pelerin, a licensed provider - FiatDock never touches funds. Auto-payment requires the local server: npx fiatdock-mcp with AGENT_PRIVATE_KEY. On the remote endpoint (https://fiatdock.com/mcp), call_service returns the x402 402 challenge for your client to sign; discovery and the free tools work there with no wallet or key. Sell: https://fiatdock.com/sell | Browse: https://fiatdock.com/browse | Terms: https://fiatdock.com/terms

“Hawaii Conditions MCP Server” is shared by 2 different URLs

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

“HiveBank” is shared by 2 different URLs

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

“HiveTrust” is shared by 3 different URLs

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

“humanMCP” is shared by 3 different URLs

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

“io.github.philpof102-svg/mainstreet” is shared by 2 different URLs

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

“LION x402” is shared by 2 different URLs

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

“openaccountants” is shared by 3 different URLs

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

“Sats4AI” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Sats4AI https://sats4ai.com
    a2a ok

    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.

  • Sats4AI https://sats4ai.com/api/mcp
    mcp ok

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

“SpaceMolt” is shared by 3 different URLs

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

“Square” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Square https://mcp.squareup.com/sse
    mcp ok

    Provides a bridge between Square's complete API ecosystem and conversational interfaces, enabling comprehensive e-commerce and payment processing capabilities including payments, orders, inventory, and customer management.

  • Square https://server.smithery.ai/square/mcp
    mcp ok

    Process payments, manage subscriptions, send invoices, and handle disputes. Accept card payments and track POS transactions.

“TrustBench” is shared by 4 different URLs

All exact-name matches are shown; ranked results follow.
  • TrustBench https://server.smithery.ai/lithvall88/TrustBench/mcp
    mcp ok

    TrustBench is the public registry, routing layer, and signed-receipt audit trail for x402 agent payments. Three read-only tools surface live provider rankings, Ed25519-signed payment receipts, and signature verification (lookup or offline mode).

  • TrustBench https://trustbench.io
    x402 ok

    Non-custodial routing and audit layer on top of x402. Ed25519-signed receipts with on-chain settlement evidence, verifiable offline. Fail-safe paywall on Base via the Coinbase CDP facilitator. Verifier on npm: [`@trustbench/verify-receipt`](https://www.npmjs.com/package/@trustbench/verify-receipt).

  • TrustBench https://trustbench.io/mcp
    mcp ok

    x402 provider rankings + Ed25519-signed payment receipts + signature verification (3 tools).

  • TrustBench https://trustbench.io/route
    mcp x402 ok

    x402 provider rankings + Ed25519-signed payment receipts + signature verification (3 tools).

“Unphurl” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Unphurl https://mcp.unphurl.com/mcp
    mcp ok

    URL intelligence for AI agents. One URL in, structured security and data quality signals out.

  • Unphurl https://server.smithery.ai/erikgoldhar-0e1o/Unphurl/mcp
    mcp ok

    URL intelligence for AI agents. One URL in, structured security and data quality signals out. 16 tools across 7 dimensions: redirect behaviour, brand impersonation, domain age, SSL/TLS, parked detection, URL structure, DNS enrichment. Risk score 0-100 with 25 configurable scoring weights. Signals, not verdicts.

“VAT Validator MCP” is shared by 2 different URLs

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

“x711 — Universal Agent Gas Station” is shared by 2 different URLs

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