MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

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DiscoveryServer directory

Remote MCP servers

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3359 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
Wever Labs Agentic Rails

426 main tools, 410 production tools for agents; Base USDC x402 and shared free tier.

Finance & CryptoPayments & trading

Unreachable2343 ms5 / 22
ai.firmbrain/x402-services

The only x402 MCP server for Robinhood Chain (chainId 4663) - 147 onchain, trading & AI tools.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
ai.ruthven/ruthven

Artwork provenance and works for sale: Origin Passports, Ethereum proofs, listings with proof

Finance & CryptoPayments & trading

UnreachableNot measured5 / 22
ai.safe4/safe4

Tests an AI agent's purchase against the task it was given. Paid per call in USDC via x402.

Finance & CryptoPayments & trading

UnreachableNot measured5 / 22
co.marketmayhem/mcp

Launch and trade BSC tokens on Market Mayhem. Your own wallet signs; dry run by default; spend caps.

Finance & CryptoPayments & trading

UnreachableNot measured5 / 22
com.paladinfi/trust-check-mcp

Free OFAC SDN wallet screen + sample preview for AI agents on Base. Read-only, no payment surface.

Finance & CryptoPayments & trading

UnreachableNot measured5 / 22
io.github.ai-gaoqian/agentmart

First AI Agent e-commerce marketplace with 74+ AI products, MCP protocol, and Alipay payments

E-commercePayments & trading

Outdated checkNot measured5 / 22
io.github.benji7891/macro-pulse-x402

Country economic momentum score (GDP, inflation, unemployment) via x402 USDC micropayments.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
io.github.CalBearKen/ls-search

Disposable private vector search + semantic RAG for AI agents. x402 pay-per-call, no account.

Developer ToolsAI / LLM tooling

UnreachableNot measured5 / 22
io.github.dacode-dev/agent-context-api

Agent-work MCP: free context preflight and page-read previews, paid x402 HTTP upgrades.

Developer ToolsCode & DevOps

UnreachableNot measured5 / 22
io.github.digitalimpresys/rentme-tasks

AI Requests for physical tasks performed by humans registered on Rentme, in exchange for payment.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
io.github.FoundryNet/foundrynet-geo

x402-gated geocoding + distance gateway. Tools: geocode, distance.

Data & AnalyticsCode & DevOps

Outdated checkNot measured5 / 22
io.github.FoundryNet/foundrynet-inference

x402 LLM proxy + data-enriched analysis (17 sources) + TimesFM predictive IoT intelligence.

Developer ToolsAI / LLM tooling

Outdated checkNot measured5 / 22
io.github.FoundryNet/foundrynet-scrape

x402-gated web extraction gateway. Tools: extract, extract_batch.

Developer ToolsBrowser & web scraping

Outdated checkNot measured5 / 22
io.github.FoundryNet/foundrynet-search

x402-gated web search gateway. Tools: search, search_enriched.

Developer ToolsData access / search

Outdated checkNot measured5 / 22
io.github.Hasned-spec/ox402-utils

47 micro-priced utilities: search, screenshots, OCR, whois, prices, video downloads. x402 USDC.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
io.github.hbhqq9/bde-score

7-factor stock scoring MCP server. US/HK/CN, 74 stocks. Free + Premium (USDC/Base). x402 ready.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
io.github.ihen404/x402-scraper-api

Programmatic web-scraping MCP server powered by x402 micro-transactions on Base.

Developer ToolsBrowser & web scraping

Outdated checkNot measured5 / 22
io.github.invertedhoologan/sovereign-engine

15 paid AI agent primitives via x402 (USDC on Base). Pay-per-call MCP server.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
io.github.mapizarro1/foragex402

Meta-search MCP for x402 agent-payable services -- find paid APIs across every registry.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
io.github.midasflowai-lab/midasflow-mcp-quickstart

Agent-native crypto market-data over MCP+REST: order flow, whales, liquidations, calibrated scores

Finance & CryptoData access / search

UnreachableNot measured5 / 22
io.github.MitchSingh/402shield

x402 payment security and pre-execution transaction risk screening for autonomous AI agents.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
io.github.nad33mahm3d/mcp-crypto-toolkit

Live crypto prices, conversion, gas tracker, portfolio tools, and calculators for AI agents.

Finance & CryptoCode & DevOps

Outdated checkNot measured5 / 22
io.github.okwithit9-debug/permitverdict-mcp

Crypto price-event settlement verdicts and US building-permit data, paid per call in USDC.

Finance & CryptoCode & DevOps

UnreachableNot measured5 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence