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

Find a server for your workflow, with connection evidence you can inspect.

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4742 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Outdated checkNot measured5 / 22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.ainetcafe/netcafe-docs

Statements, invoices, tables, ledgers — every result carries its own arithmetic proof.

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.benji7891/macro-pulse-x402

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

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22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Outdated checkNot measured5 / 22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.GetHaki/haki

Long-term memory for AI agents: bitemporal fact ledger, contradiction detection, explainability.

Finance & CryptoCode & DevOps

UnreachableNot 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

Autonomous HTTP 402 Web Scraping Mesh on Base for $0.02 USDC.

Finance & CryptoBrowser & 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.KhizarShabir1/portfolio-signals

Real-time stock quotes and technical signals: RSI, MACD, SMA crossovers via Yahoo Finance.

Finance & CryptoCode & DevOps

Outdated checkNot measured5 / 22
io.github.loved0543-dotcom/kdata-gate

Korean market data for AI agents: K-beauty/K-food products, Naver trends, stocks, real estate.

Finance & CryptoData access / search

Outdated checkNot measured5 / 22
io.github.MeMikko/hoodgrow-mcp

Robinhood Chain stock token data — price, split-adjusted supply, DeFi, corporate actions, movers.

Finance & CryptoCode & DevOps

UnreachableNot 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.MrWizardlyLoaf/rugcheck-ai

Solana token safety for AI agents — rug-pull, honeypot & Token-2022 trap detection before you buy.

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.negm17111995/circlfi-mcp

13-model stock valuation engine for AI agents - fair values for 5,900+ US stocks, updated daily.

Finance & CryptoCode & DevOps

UnreachableNot 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
io.github.paarths-collab/quant-brain-mcp

Stock analysis MCP: 38 indicators, 7 optimizers, 8 backtests, US + India sectors.

Finance & CryptoCode & DevOps

UnreachableNot measured5 / 22

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