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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18333 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
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Outdated check669 ms15 / 22
Sulato Business Tools

Free VAT, pricing, quote, VietQR and referral commission tools for Vietnamese businesses.

Developer ToolsCode & DevOps

Outdated check674 ms15 / 22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Outdated check674 ms15 / 22
Genesis402 by UnyKorn (x402 pay-per-call)

Counterparty checks, sanctions screening, company lookup and 360+ pay-per-call APIs over x402.

Developer ToolsCode & DevOps

Outdated check677 ms15 / 22
Hanko exit_liquidity

Can this position be closed, and what does it cost? Executable quote first, model beside it

Developer ToolsCode & DevOps

Outdated check686 ms15 / 22
Benefits City

US bank, savings and credit-card signup bonuses, each source-checked, with expiry dates.

Developer ToolsCode & DevOps

Outdated check687 ms15 / 22
Accelo MCP by usefulapi

Manage Accelo companies, contacts, jobs, tasks, tickets and time.

Developer ToolsCode & DevOps

Responded689 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Outdated check691 ms15 / 22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
Rumoro

Track what people say about your product on Reddit, X, Hacker News, GitHub and more

Developer ToolsCode & DevOps

Outdated check696 ms15 / 22
EyeStill Speed Reader

Speed-read web pages, books and Claude's answers one word at a time, right in the chat.

Developer ToolsCode & DevOps

Outdated check697 ms15 / 22
Altivo Jets

Live private jet empty legs, charter estimates in 12 countries and quote requests.

Developer ToolsCode & DevOps

Outdated check700 ms15 / 22
Stint

A shared story anyone can continue. Read the last line, quote a passage, submit a paid line.

Developer ToolsCode & DevOps

Outdated check700 ms15 / 22
VibeFix

Free check by an AI agent on your live app. On request: independent code review, fix, live re-check.

Developer ToolsCode & DevOps

Outdated check700 ms15 / 22
Moltline Agent Governance

Audit MCP configs and skill files for over-broad scope and injection risk. 6 of 8 free.

Developer ToolsCode & DevOps

Outdated check701 ms15 / 22
lovefengis docs

Developer documentation of lovefengis (REST API, MCP, CLI, auth) over MCP. Read-only, no auth.

Developer ToolsFile & docs

Outdated check703 ms15 / 22
Georgia MCP

An MCP server for Georgian public data, read from the organizations that publish it.

Developer ToolsCode & DevOps

Outdated check704 ms15 / 22
sh.kicksma/kicksmash

Padel matches for people and agents: create, share one link, join, americano schedules, levels.

Developer ToolsCode & DevOps

Responded707 ms15 / 22
Quadratic

AI access to Quadratic spreadsheets: open files, run Python/SQL, query connected databases.

Developer ToolsDatabase

Outdated check707 ms15 / 22
KaiCalls

A phone number for your business or your AI agent. Kai answers it and calls businesses for you.

Developer ToolsCode & DevOps

Outdated check710 ms15 / 22
ToolCargo — MCP server directory

Directory of 53,000+ MCP servers: find one for any task and get its exact setup. No account.

Developer ToolsCode & DevOps

Outdated check715 ms15 / 22
HProxy

Free proxy list, live proxy checker and IP lookup for AI agents. No key, nothing to install.

Developer ToolsData access / search

Outdated check717 ms15 / 22
io.github.physics-star-cat/lowriskquotes-montecarlo

Monte Carlo tools: three-point cost estimation and an educational retirement drawdown simulator.

Developer ToolsCode & DevOps

Responded718 ms15 / 22

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