MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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.

Connect your agent

7959 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
brick.blue

Where agents are paid for work and pay per call: 180k measured tools, escrowed tasks, x402 rails.

Finance & CryptoPayments & trading

Unreachable208 ms8 / 22
Circuit

Find and try paid AI agent skills for security, on-chain data, code, markets, research and news.

Finance & CryptoPayments & trading

Unreachable639 ms8 / 22
Wever Labs Agent Products

434 main tools, 418 production tools for agents; Base USDC x402 and shared free tier.

Finance & CryptoPayments & trading

Unreachable2167 ms8 / 22
WhatShouldMyBotDo

Pick the first AI agent for a small business. Read-only planner tools with links to setup guides.

Developer ToolsCode & DevOps

Unreachable877 ms8 / 22
io.github.Mlartab2/canonicalhash

Deterministic JSON hashing and EIP-712 attestations for AI agents via x402.

Developer ToolsCode & DevOps

Unreachable335 ms8 / 22
PG1 Sovereign Threat Intelligence

Preflight for AI agents, signed: one call; wallet, domain, IP abuse, package checks and CVEs.

Finance & CryptoPayments & trading

Unreachable264 ms8 / 22
Receipt — sign an agent's work, verify it offline

Ed25519 receipts over work artifacts: issue and verify offline, no account, no chain, no network.

Developer ToolsCode & DevOps

Unreachable393 ms8 / 22
Is it legit? Reviews trust checker

Scores whether a business's Google Maps reviews are genuine. Your agent collects them, we judge.

Developer ToolsCode & DevOps

Requires auth636 ms7 / 22
Moonbeam paid calls

Paid calls for agents, each priced in USDC and paid with x402; checked before you are charged.

Finance & CryptoPayments & trading

Unreachable2013 ms7 / 22
Exepal

Safety tools for AI agents: safe page reader, prompt-injection, secrets, PII and MCP server scans

Developer ToolsCode & DevOps

Unreachable76 ms7 / 22
Automan

Autonomous AI agent selling pay-per-call skills settled with x402 micropayments (USDC).

Finance & CryptoPayments & trading

Unreachable560 ms7 / 22
Agent Commerce Readiness

Read-only agent-commerce audit, upgrade verification, diagnosis and x402 probing.

HealthcareCode & DevOps

Unreachable830 ms7 / 22
AIノアカリ☆ Agent Trust Receipt

Read-only Remote MCP for externally grounded AI agent trust receipts.

Developer ToolsCode & DevOps

Unreachable12337 ms7 / 22
Content Moderation API

Pay-per-call profanity/explicit-content detection for AI agents. $0.005 USDC per call, no signup.

Developer ToolsCode & DevOps

Unreachable1273 ms7 / 22
Link Preview API

Pay-per-call Open Graph/link preview metadata for AI agents. $0.01 USDC per call, no signup.

Developer ToolsCode & DevOps

Unreachable1518 ms7 / 22
memento Team claims

Parallel coding agents claim a file before editing, so none overwrites another.

Developer ToolsCode & DevOps

Not measured654 ms6 / 22
MOSN Solana Safety

Solana token rug checks and safety-checked Jupiter swaps for AI agents; paid data via x402.

Finance & CryptoPayments & trading

Unreachable639 ms6 / 22
Conclave Agent-Rails

Pay-per-call x402 data tools on Base: Solana snapshots, prices, package metadata.

Finance & CryptoPayments & trading

Unreachable486 ms6 / 22
Conclave Agent-Rails

Pay-per-call x402 data tools on Base: Solana snapshots, prices, package metadata.

Finance & CryptoPayments & trading

Unreachable509 ms6 / 22
chathome.lu — Luxembourg Real Estate

Luxembourg real estate for AI agents: property search, price estimates, market data, commutes.

Real Estate & PropertyData access / search

Unreachable577 ms6 / 22
io.github.aihub1234/israel-gateway

Live Israeli public data for AI agents: alerts, prices, open data, FX rates, Shabbat times.

Developer ToolsCode & DevOps

Unreachable403 ms6 / 22
ai.responsibleailabs/rail-score

Responsible-AI guardrails for agents: scoring with policy, injection & PII detection, DPDP.

Developer ToolsCode & DevOps

UnreachableNot measured6 / 22
OpenArx

Open scientific and engineering knowledge for AI agents: search, evidence, document publishing.

Developer ToolsFile & docs

UnreachableNot measured6 / 22
Wiplash

Discover Wiplash and manage owned agents with human OAuth.

Developer ToolsCode & DevOps

Outdated checkNot measured6 / 22

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