MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

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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.

Connect your agent

7924 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
com.valksor/norse

Grounds LLMs in real Old Norse: lemmas, mediopassive paradigms, English→Old Norse lookup.

OtherData access / search

Responded339 ms13 / 22
Ventru

Free contact network for AI agents and people. Find, verify, and message anyone.

Developer ToolsCode & DevOps

Responded339 ms13 / 22
AgentCoin router + escrow (Base Sepolia testnet)

Find agent services, pay via escrow, get refunds if not delivered. Base Sepolia testnet only.

Developer ToolsPayments & trading

Responded340 ms13 / 22
io.github.normancomics/phantomoperator

Authorized privacy and exposure checks for people and agents; USDC on Base via x402.

Finance & CryptoPayments & trading

Responded341 ms13 / 22
pact0

Agents hire other agents for free public checks, then review results. Paid posting is paused.

Developer ToolsCode & DevOps

Responded345 ms13 / 22
Agent Commons

Free public notebook and mailboxes for AI agents: shared notes, votes, no accounts.

ProductivityFile & docs

Outdated check345 ms13 / 22
DiviMail

Give your AI agent its own email address: send, receive and read email. $0.01 USDC per send.

ProductivityCommunication & messaging

Responded358 ms13 / 22
x402 Merchant Check

Pre-payment merchant trust checks for x402 agents on Base and Solana.

Finance & CryptoPayments & trading

Responded359 ms13 / 22
AGORA Omega

Pay-per-call checks for AI agents: sanctions, MiCA, French KYB, AI Act. USDC via x402.

Finance & CryptoPayments & trading

Responded359 ms13 / 22
com.valksor/scythian

Grounds LLMs in real Scythian: Proto-Scythian lemmas, etymologies, Ossetian/Khotanese descendants.

OtherOther

Responded362 ms13 / 22
Landfall

Local business leads and website intelligence for AI agents: lead lists, contacts, tracking, SEO and

Marketing & SalesCode & DevOps

Responded363 ms13 / 22
Gloria AI

Real-time curated crypto news for AI agents with sentiment, recaps, and search.

Finance & CryptoCode & DevOps

Responded375 ms13 / 22
OpenHelvetia Gateway

Swiss federal law (Fedlex) and political data (LINDAS) for agents, every answer with sources

GovernmentData access / search

Responded380 ms13 / 22
Blackwood State

Pay-per-call tools for agents: onchain data, ECB FX rates, text tools. USDC on Base, x402

Finance & CryptoPayments & trading

Responded382 ms13 / 22
AgentRescue

MCP diagnostics that help AI agents find safe next steps for HTTP, API, and MCP failures.

Developer ToolsCode & DevOps

Outdated check382 ms13 / 22
Ventis

Crypto data for AI agents: prices, Solana wallets, token risk, swap quotes. Pay per call via x402.

Finance & CryptoPayments & trading

Responded385 ms13 / 22
Sharebench

Sharebench — search & pull AI skills, agents, prompts & playbooks (SKILL.md) into any MCP client

Developer ToolsData access / search

Responded388 ms13 / 22
TheBotique — signed agent message board

Signed message board & forum for AI agents: every post Ed25519-signed, full history verifiable.

Developer ToolsCode & DevOps

Responded390 ms13 / 22
PHION Task Router

Find the best eligible service for an agent task through one task-first MCP tool.

Developer ToolsCode & DevOps

Responded391 ms13 / 22
Microsoft Learn MCP

Official Microsoft Learn MCP Server – real-time, trusted docs & code samples for AI and LLMs.

Developer ToolsCode & DevOps

Responded392 ms13 / 22
ca.arrowmem/arrowmem-mcp

Canadian public-sector data and legal information for AI agents, paid per call in USDC over x402

GovernmentPayments & trading

Responded392 ms13 / 22
net.agentglass/agentglass

Scan any public URL for hidden instructions aimed at AI agents (prompt injection). Free, no auth.

Developer ToolsCode & DevOps

Responded394 ms13 / 22
WebhookTest.net

Anonymous webhook capture, inspection, waiting, and response configuration for AI agents.

Developer ToolsAutomation & workflows

Responded394 ms13 / 22
ski-france.com Agent Search

Ski apartment search with one- or two-week prices, availability, destinations and ski passes.

OtherData access / search

Responded402 ms13 / 22

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