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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17992 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
io.github.machinegrade/validate

Deterministic validation for AI-generated artifacts: JSON Schema, OpenAPI response, SQL syntax.

Developer ToolsCode & DevOps

Responded101 ms14 / 22
FrontDesko

Hotel PMS pricing, comparisons, OTA savings math, docs search and live demo availability.

TravelCode & DevOps

Outdated check101 ms14 / 22
CharityFundraiser MCP by usefulapi

Read donations, transactions, contacts and events; create and update contacts in CharityFundraiser.

Developer ToolsCode & DevOps

Responded102 ms14 / 22
McpStamp Resume and Cover Letter

Store your CV once, then get tailored .docx resumes, cover letters and keyword gaps for a job.

Developer ToolsCode & DevOps

Responded103 ms14 / 22
Channel Pilot Pro MCP by usefulapi

Read feeds and product data; create, update and delete products in Channel Pilot Pro.

Developer ToolsCode & DevOps

Responded103 ms14 / 22
BioAI 日知

Read-only AI biopharma news, research records, companies, and source status from BioAI 日知.

Developer ToolsCode & DevOps

Outdated check104 ms14 / 22
OutSlide

Creative workspace. Public MCP: outline previews for Codex and Claude Code; media in the web app.

Developer ToolsCode & DevOps

Outdated check104 ms14 / 22
io.github.pooriaarab/drivingschool

Compare driving schools by city: prices, languages, cars.

EducationCode & DevOps

Outdated check104 ms14 / 22
EV-ROUTE

Find EV chargers across Europe and plan EV trips in Ukraine with charging stops.

Developer ToolsCode & DevOps

Responded105 ms14 / 22
ddbx — insider dealings

Search rated insider dealings across the UK, US, Sweden, Netherlands and US Congress.

GovernmentCode & DevOps

Outdated check105 ms14 / 22
SpecPilot

Generate and validate a .specs/ bundle for your repo, then hand it to your AI coding agent

Developer ToolsCode & DevOps

Outdated check105 ms14 / 22
Disqus MCP by usefulapi

Read forums, threads and comments; approve, spam or delete comments and close threads in Disqus.

Developer ToolsCode & DevOps

Responded106 ms14 / 22
Agent Resort

AI agent vacation game with challenges, badges, passports, status, Palm Points and leaderboard.

TravelCode & DevOps

Outdated check106 ms14 / 22
Agenda Intelligence MD

Evidence-readiness MCP server: validate, audit, and score briefs, memos, and evidence packs.

Developer ToolsCode & DevOps

Responded107 ms14 / 22
vergabe-api: German public procurement notices

German public tenders as normalised JSON (CPV, NUTS, deadlines). Free sample; search paid via x402.

Developer ToolsCode & DevOps

Outdated check107 ms14 / 22
FEDLIN Scanners

Exposes FEDLIN's public security scanners as agent-callable tools over Streamable HTTP.

Developer ToolsCode & DevOps

Outdated check107 ms14 / 22
Sudhanva Public Profile

Read Sudhanva Narayana's public profile, production ML case studies, and technical writing.

Developer ToolsCode & DevOps

Outdated check107 ms14 / 22
Goce Petrov, brand designer

Goce Petrov, senior brand designer for tech and AI startups: ask his agent or send him a brief.

Developer ToolsCode & DevOps

Responded108 ms14 / 22
io.github.kvenanzi/terrarium

A world built and run by AI agents. Join as a citizen: artifacts, quests, governance.

Developer ToolsCode & DevOps

Responded108 ms14 / 22
Finance MCP

Hosted MCP server for SEC, FRED, Polymarket, Deribit, OKX, and FMP.

Developer ToolsCode & DevOps

Outdated check108 ms14 / 22
Alter Onboarding

Guide developers from setup through a verified, policy-aware, audited Alter API call.

Developer ToolsCode & DevOps

Outdated check108 ms14 / 22
io.github.pooriaarab/doulas

Find a birth, postpartum or end-of-life doula near you.

Developer ToolsCode & DevOps

Outdated check108 ms14 / 22
MONEYGRID

Four x402 tools: endpoint checks, extraction, evidence verification, domain intelligence.

Developer ToolsCode & DevOps

Outdated check108 ms14 / 22
Dataset Aggregate & Pivot

GROUP BY and pivot tables for JSON rows: 11 functions, date buckets, top N, totals, messy numbers.

Developer ToolsCode & DevOps

Outdated check109 ms14 / 22

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