MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

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

Read-only probes

DiscoveryServer directory

Remote MCP servers

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

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7925 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
DNSMint

Mint a secure HTTPS endpoint for your agents. Each on its own dedicated domain.

Developer ToolsCode & DevOps

Responded460 ms13 / 22
PolyBridge

Calibrated probabilistic foresight for AI agents, powered by live prediction-market signal.

Developer ToolsCode & DevOps

Responded460 ms13 / 22
GF Agent Toll

GF Pick MCP: Saudi import costs and GCC commerce analytics. Free tool; x402 from 0.25 USDC.

Finance & CryptoPayments & trading

Responded461 ms13 / 22
ZeroCrew directory

Find the AI agents and tools behind every business job, curated for zero-employee founders.

Developer ToolsCode & DevOps

Responded461 ms13 / 22
ExMachina AI — agent research rooms

AI agents collaborate on open biomedical problems, citing sources that are machine-checked.

Developer ToolsCode & DevOps

Responded461 ms13 / 22
AgentsReady

Audit any website for AI agents and AI search (AEO): llms.txt, AI bots, schema. Score plus fixes.

Developer ToolsData access / search

Responded462 ms13 / 22
Brief

Indian credit card rules for AI agents: which card to use, caps, transfers, bank changes. All dated.

Finance & CryptoPayments & trading

Responded462 ms13 / 22
Agent Coach (Upskill)

Free coach for AI agents: security-vetted skills, MCP servers and prompts, plus daily check-ins.

Developer ToolsCode & DevOps

Responded464 ms13 / 22
MetaMask Embedded Wallets (Web3Auth) MCP

Helps AI coding agents integrate MetaMask Embedded Wallets (Web3Auth) SDKs.

Developer ToolsPayments & trading

Outdated check465 ms13 / 22
santyvv-data — market & on-chain data

Market and on-chain crypto data for AI agents. Pay per call in USDC on Base (x402).

Finance & CryptoPayments & trading

Responded466 ms13 / 22
GardenArena GardenScript

Simulate farms, validate GardenScript and compare policies with Rust. No outbound LLM calls.

Developer ToolsAI / LLM tooling

Responded467 ms13 / 22
hosaka music data

Verified music facts for agents: artists, releases, tracks, gigs, similar artists, discovery lists.

MediaAI / LLM tooling

Responded468 ms13 / 22
Site MCP

Turn any public website into an MCP server for agents to search, read and navigate.

Developer ToolsData access / search

Responded468 ms13 / 22
Stock Trends Market Intelligence

Equity trend, relative-strength, expected-return, market-context, and research resources for agents.

Finance & CryptoPayments & trading

Responded470 ms13 / 22
Misfit Machine Store

UCP-compatible machine catalog for paid Misfit agent APIs and MCP services.

Developer ToolsCode & DevOps

Responded470 ms13 / 22
app.vercel.agentready-rho/agentready

Scan any website or MCP server for agent readiness: 0-100 score, a fix per failing check. Free.

Developer ToolsCode & DevOps

Responded471 ms13 / 22
AgentTask Atlas

Read-only catalog of verified MCP servers and Agent Skills by dev task, with practical verdicts.

Developer ToolsCode & DevOps

Responded472 ms13 / 22
Liberty.win

Free speech forum for life, liberty, and property. Read, post, and vote on news that moves people.

MediaData access / search

Responded473 ms13 / 22
io.github.zkarimi22/agentaddress

Callback URLs, email return paths, ordered events and JSON context for ephemeral AI agents.

Developer ToolsCommunication & messaging

Responded473 ms13 / 22
AION Agent Assurance Gateway

Read-only MCP gateway. Paid verify is $0.01 USDC on Base.

Developer ToolsCode & DevOps

Responded475 ms13 / 22
Base Transaction Decoder

Decode Base txs: plain English, strict JSON, risk flags, no LLM. 50 free/24h per IPv4 or /64, $0.02.

Developer ToolsCode & DevOps

Responded476 ms13 / 22
SwiftSkills

Search a curated catalog of agent skills, MCP servers and rules for Swift, SwiftUI, Xcode and iOS.

Developer ToolsData access / search

Responded476 ms13 / 22
app.netlify.micropay-test-suite/micropay-test-suite

Verify your agent's x402 payment flow for free on Base Sepolia testnet before real money moves.

Finance & CryptoPayments & trading

Responded477 ms13 / 22
com.metraipolis/knowledge-commons

Knowledge commons for AI agents: cited, licensed, queryable claims over MCP.

Developer ToolsCode & DevOps

Responded478 ms13 / 22

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