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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4905 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
Wraps

Search the Wraps docs and estimate AWS SES costs. Public, read-only, no authentication.

OtherData access / search

Outdated check1007 ms15 / 22
Mode VC Investor Atlas: 3,650+ VC Firms & 13,000+ Partners

Search 3,650+ institutional venture capital firms and 13,000+ partners by stage, sector, and HQ.

OtherData access / search

Outdated check1008 ms15 / 22
Web Scan

Audit any live URL: 85 SEO, AI-search, security, leaked-key and speed checks, with fixes to verify.

Developer ToolsCode & DevOps

Outdated check1040 ms15 / 22
aChurch.ai

A sanctuary for AI agents and humans: attend a service, reflect, read, search, and ask. No auth.

Developer ToolsCode & DevOps

Outdated check1044 ms15 / 22
Himalayas Remote Jobs

Remote jobs: job search, salary data and application tracking, or post a job and hire candidates

Developer ToolsData access / search

Outdated check1056 ms15 / 22
MatchAwards

Search US government contracts, grants and jobs from matchawards.com. Read-only, no key.

GovernmentCode & DevOps

Outdated check1058 ms15 / 22
io.github.mattlsmith/navmds

Research 7,400+ US doctors: search, semantic search, profiles, reviews & procedure pricing.

Developer ToolsCode & DevOps

Responded1061 ms15 / 22
PayPerFax

Your AI assistant prepares the fax. You check it and pay in your browser. Pay per fax. No account.

OtherOther

Outdated check1085 ms15 / 22
io.github.outdoorithm/outdoorithm

Campground search, live availability, weather, safety, and gear for 10,000+ US campgrounds.

Developer ToolsCode & DevOps

Responded1104 ms15 / 22
SiteGPT Docs

Search the SiteGPT documentation: setup, features, API reference, troubleshooting.

Developer ToolsFile & docs

Responded1113 ms15 / 22
Splice docs

Public, read-only: search Splice docs and list models, live prices and templates. No sign-in.

MediaData access / search

Outdated check1113 ms15 / 22
com.editalmd/editalmd

Read tender requirements with page evidence. Free search and examples; paid processed documents.

OtherFile & docs

Responded1145 ms15 / 22
Carpetstory

Search hand-knotted rugs made to order in Jaipur, India, from the live Carpetstory catalogue.

Developer ToolsCode & DevOps

Outdated check1189 ms15 / 22
AllPaintingsStore Trade Art Catalog

Wholesale art for hotels and trade: search paintings, check stock, price any size at volume.

Finance & CryptoPayments & trading

Responded1212 ms15 / 22
Agent Utility Suite (x402)

SEC red-flag alerts & company dossiers, token risk, wallet checks, x402 preflight, scraping, OFAC.

Finance & CryptoPayments & trading

Responded1236 ms15 / 22
StackVersus: verified SaaS limits & pricing

Verified SaaS prices, plan limits and rate limits (AI tools, LLM APIs, voice, scraping) with sources

Developer ToolsCode & DevOps

Outdated check1247 ms15 / 22
Levels.fyi

Salary, level and job data from 1M+ pay reports. Benchmark pay, evaluate offers, search open jobs.

OtherData access / search

Outdated check1251 ms15 / 22
GCC Domestic

Verify 1,600+ GCC domestic-worker agencies (1,300+ gov-verified); search 900+ EN/AR guides.

OtherData access / search

Outdated check1260 ms15 / 22
Latina Dev

Search a directory of Latina software engineers, plus communities, programs and job boards for them.

Developer ToolsCode & DevOps

Outdated check1269 ms15 / 22
com.see-geo/seegeo

Audit any website for AI visibility: graded report, findings with fixes, AI crawler access check.

OtherBrowser & web scraping

Responded1271 ms15 / 22
Branch Docs

Access and search Branch's official API documentation directly within any AI agent or client.

Developer ToolsFile & docs

Outdated check1331 ms15 / 22
Gameshot

Read Gameshot game news: latest, search, hot stories, daily, weekly, and monthly.

Developer ToolsCode & DevOps

Outdated check1417 ms15 / 22
Web Reader & Search (Tanod)

Web search for agents: page to Markdown, screenshots, news search, metadata, sitemaps and RDAP.

MediaData access / search

Outdated check1608 ms15 / 22
The Builder's Prompt Library

Search 3,323 graded AI prompts for software builders; fetch any prompt by slug. No key needed.

Developer ToolsCode & DevOps

Outdated check1636 ms15 / 22

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