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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17922 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
EVS Meter Tools

Check NUS and SUTD hostel EVS electricity meters and get top-up links. Unofficial.

Developer ToolsCode & DevOps

Responded628 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

Responded629 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

Responded630 ms15 / 22
Draw me

Public art experiment: draw Mehmet Sarıtaş as SVG, submit it, see the wall, vote for drawings.

Developer ToolsCode & DevOps

Responded631 ms15 / 22
Visiting Minds

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

Developer ToolsCode & DevOps

Responded631 ms15 / 22
Cambio Uruguay

Uruguay: exchange rates, rentals, used cars, product prices and search across cambio-uruguay.com

Developer ToolsCode & DevOps

Responded634 ms15 / 22
Flashcards by Fulin Labs

Learn vocabulary from daily life with flashcards, examples, pronunciation and shareable study links.

Developer ToolsCode & DevOps

Responded634 ms15 / 22
HefestoAI

HefestoAI checks AI-generated code before you ship it.

Developer ToolsCode & DevOps

Responded635 ms15 / 22
SignalTender B2B, GovCon & LegalTech MCP Server

B2B, GovCon & LegalTech MCP server for live RFPs, contract parsing, compliance & proposal tools.

LegalCode & DevOps

Responded642 ms15 / 22
UGT: Use the Geek Thing

Get open-source GitHub projects running on your computer, with your AI app

Developer ToolsCode & DevOps

Responded642 ms15 / 22
setupmd

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

Developer ToolsCode & DevOps

Responded649 ms15 / 22
Worth

Find what anything is worth: resale value, used and new prices, and where to buy or sell it.

Developer ToolsCode & DevOps

Responded652 ms15 / 22
TablePredict

Build validated football table and World Cup group prediction links with TablePredict.

MediaCode & DevOps

Responded653 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

Responded655 ms15 / 22
UnicodeKit

Find Unicode characters by name, codepoint, or meaning, and get their HTML, CSS, and UTF codes.

Developer ToolsCode & DevOps

Responded659 ms15 / 22
SSL Certificate Check

Inspect one endpoint's served certificate, expiry, hostname coverage, and accepted TLS versions.

Developer ToolsCode & DevOps

Responded668 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

Responded669 ms15 / 22
Sulato Business Tools

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

Developer ToolsCode & DevOps

Responded674 ms15 / 22
FactLot

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

Developer ToolsCode & DevOps

Responded674 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

Responded677 ms15 / 22
AI Ball — AI football match analysis

Football match outcome probabilities recorded before kick-off, and an open record of results.

MediaCode & DevOps

Responded677 ms15 / 22
Hanko exit_liquidity

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

Developer ToolsCode & DevOps

Responded686 ms15 / 22
Benefits City

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

Developer ToolsCode & DevOps

Responded687 ms15 / 22

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