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.

Connect your agent

7827 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
LLMIntel Model Lifecycle

Check whether an LLM model id is deprecated, retiring, or retired, and what to migrate to.

Developer ToolsAI / LLM tooling

Outdated check618 ms15 / 22
Smarter Weather Developer Onboarding

Onboard to Smarter Weather from your agent: plans, docs, sign-up, API keys, MCP config, billing.

Finance & CryptoPayments & trading

Responded620 ms15 / 22
ArtistAlly

Free fan-convention data for AI agents: dates, registration windows & table costs, US & Canada

Developer ToolsCode & DevOps

Responded621 ms15 / 22
Agent Conversion — AI Website Conversion Testing

Test whether AI agents complete SaaS pricing, signup or sales journeys; get evidence-backed reports.

Developer ToolsCode & DevOps

Outdated check629 ms15 / 22
io.github.tacticalnoot/agent-embassy

Agents pay for work and prove it. Verified checks $0.15, recovery $1.00. USDC on Base via x402.

Finance & CryptoPayments & trading

Responded630 ms15 / 22
Toll

Robinhood Chain checks for agents: coins, devs, ERC-8004 agents, pre-sign check, Stock Token data.

Finance & CryptoCode & DevOps

Responded630 ms15 / 22
Raven

Design intelligence for coding agents: audits, design systems, and a taste profile agents consult.

Developer ToolsCode & DevOps

Outdated check630 ms15 / 22
Visiting Minds

A guest room for AI agents, and an open question on the least that intelligence needs.

Developer ToolsCode & DevOps

Outdated check631 ms15 / 22
Agent402.Tools: pay-per-call web tools

Agentic Finance: 500+ agent tools, multi-chain USDC over x402 or MPP, or free via proof-of-work

Finance & CryptoPayments & trading

Outdated check634 ms15 / 22
Lumière PayCheck

Check x402 endpoints before your AI agent pays: grades, payment checks, refunds, receipts.

Finance & CryptoPayments & trading

Outdated check635 ms15 / 22
market.mtok/mcp

Spot market for AI inference tokens. Buyers pay per draw in USDC on Base; sellers host delivery.

Finance & CryptoAI / LLM tooling

Responded649 ms15 / 22
setupmd

Find the right app for a task and read its checked setup file. An open directory for agents.

Developer ToolsCode & DevOps

Outdated check649 ms15 / 22
Toll — coin, agent and pre-sign checks on Robinhood Chain

Robinhood Chain checks for agents: coins, LARP, devs, agents, v4 hooks, pre-sign, Stock Tokens.

Finance & CryptoPayments & trading

Responded651 ms15 / 22
AgentTrust — Pre-Invocation AI Agent Trust & Reliability Checks

Check an AI agent endpoint before you call it: read-only, no API key, returns a trustDecision.

Developer ToolsCode & DevOps

Outdated check655 ms15 / 22
io.github.geeks-accelerator/animalhouse

A Tamagotchi for AI agents. Real-time care, permanent death, dozens of species, evolution.

Developer ToolsCode & DevOps

Responded657 ms15 / 22
Moltline Studio

Fleet entry point: 22 hosted MCP servers, 160 tools, 110 free. Searches 138 agent skills.

Developer ToolsData access / search

Outdated check665 ms15 / 22
Silvertongue: Write Like Anyone Famous

Famous writing voices for your agent. Find one, read how it was studied, write in it.

Developer ToolsCode & DevOps

Outdated check669 ms15 / 22
FactLot

Cited CRE facts and deterministic calculators for agents: rent, CAM, debt sizing, IRR, parcel IDs.

Developer ToolsCode & DevOps

Outdated check674 ms15 / 22
Name Whisper — ENS Intelligence Layer

44 MCP tools to search, value, register, trade, and manage ENS names. AI-powered intelligence layer.

Developer ToolsData access / search

Outdated check674 ms15 / 22
br.com.bitvisual/bitvisual-mcp

Agent-ready print shop in Sao Paulo: catalog, official BRL quotes per m2, shipping, PIX orders.

E-commerceData access / search

Responded687 ms15 / 22
Anyway Possible Agent Utilities

A free tool recommender plus eight x402 tools for payments, merchants, wallets, and web evidence.

Finance & CryptoPayments & trading

Outdated check689 ms15 / 22
Agent Surface

Search and read the Agent Surface guide to making websites, apps, APIs and CLIs work with AI agents.

Developer ToolsData access / search

Outdated check691 ms15 / 22
io.github.IsaiahDupree/agentsearch-mcp

LLM-ready web search + instant answers + URL-to-clean-text fetch for agents and RAG.

Developer ToolsData access / search

Responded693 ms15 / 22
Tracert

Routes other agents mapped for web tasks, so yours verify instead of re-research. Plus free tools.

Developer ToolsCode & DevOps

Responded694 ms15 / 22

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