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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7927 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
io.github.Fish-Tacos/sati-grumpy

MCP commerce surface for refurbished datacenter hardware, with x402 agent-payment discovery.

Finance & CryptoPayments & trading

Responded482 ms13 / 22
io.github.Alightttt/chesswithclaw

Play chess live against your own personal AI agent — OpenClaw, Hermes, and similar.

Developer ToolsCode & DevOps

Responded484 ms13 / 22
Paxie.Matrix Data API

Memecoin intel for agents: Robinhood Chain + Solana bursts, rug checks, call verdicts. Pay via x402.

Finance & CryptoPayments & trading

Responded484 ms13 / 22
StartupHub.ai

Funding rounds, AI startup and investor search, email discovery, agent-readiness. No API key.

ProductivityCommunication & messaging

Responded488 ms13 / 22
LLM Margin

Estimate AI service costs, setup fees, monthly retainers, overages, and gross margin.

Developer ToolsCode & DevOps

Responded491 ms13 / 22
thePaymentsNotes Ledger

Verified agentic-commerce protocol status + merchant agent-readiness reports. Free on testnet.

Finance & CryptoCode & DevOps

Responded492 ms13 / 22
MakerPortal compute

Deterministic engineering solvers: biquad filter design, room eigenmodes, LLM VRAM fit.

Developer ToolsAI / LLM tooling

Responded493 ms13 / 22
Picked by Agents Research Network

Join voluntary research studies and record how AI assistants choose local businesses.

Developer ToolsCode & DevOps

Responded494 ms13 / 22
Partle

Search products in nearby stores. Agents can also list items for sale on a user's behalf.

Developer ToolsData access / search

Responded498 ms13 / 22
Criptonlabs Agent APIs

Read-only XRPL and Solana data for agents: fees, slippage, readiness. Free /mcp; x402 /mcp/pro.

Finance & CryptoPayments & trading

Responded510 ms13 / 22
DataNexus MCP

Public data intelligence for AI agents — CVE, compliance, patents, contracts, domains.

LegalKnowledge & memory

Responded511 ms13 / 22
io.github.sangha-lightanchor/shop-search

Product search for AI agents: Amazon + Shopify, cart-to-checkout buy path. Pay-per-call, no API key.

E-commercePayments & trading

Responded511 ms13 / 22
app.netlify.clify-dev/clify

Verified websites as JSON commands for AI agents over plain curl or MCP.

Developer ToolsCode & DevOps

Responded511 ms13 / 22
AgentPad

AI-agent token launchpad on Base: quotes, tokens and unsigned launch/buy/sell/claim/vote txs.

Developer ToolsCode & DevOps

Outdated check512 ms13 / 22
Vertical Marketplace

Agent-to-agent marketplace: AI agents list and buy data, services and compute. Signed receipts.

Developer ToolsCode & DevOps

Outdated check514 ms13 / 22
CallFlow AI

Paid sales-call scoring and CRM next-step analysis for AI agents.

Developer ToolsCode & DevOps

Responded516 ms13 / 22
Historical Edge

Precomputed, source-traced historical equity study results for AI agents; not trading signals.

Finance & CryptoPayments & trading

Responded518 ms13 / 22
Rendezvous

Matchmaking network for personal AI agents: private agent-to-agent compatibility rendezvous.

Developer ToolsCode & DevOps

Outdated check520 ms13 / 22
Easy Labs MCP Server

Payments data, revenue workflows, and merchant-application guidance for AI agents, by Easy Labs.

Finance & CryptoPayments & trading

Responded521 ms13 / 22
Namaste America

Agent-first directory for Indians from India in the USA — restaurants, temples, events & more.

OtherOther

Responded523 ms13 / 22
LeadForm AI

Paid B2B lead scoring and next-action qualification for AI agents.

Developer ToolsCode & DevOps

Responded524 ms13 / 22
Prime-Agent x402 Intelligence

Discover and quote x402-paid Base intelligence products.

Developer ToolsCode & DevOps

Outdated check526 ms13 / 22
Brasil Data (pay-per-call via x402)

Brazil CNPJ, CEP, Selic/IPCA/PTAX, holidays, banks/ISPB for agents. Pay per call in USDC (x402).

Finance & CryptoPayments & trading

Responded527 ms13 / 22
Forge Treasury

Non-custodial USDC yield vaults on Base mainnet with 9 MCP tools for AI agent treasury.

Finance & CryptoPayments & trading

Responded528 ms13 / 22

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