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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18124 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
Citeerbaar

Pakketten, prijzen, begrippen en artikelen van Citeerbaar (GEO, NL) en de gratis Quick Check.

Developer ToolsCode & DevOps

Responded328 ms14 / 22
Stealth Communications

NYC fiber availability, pricing, customer-approved orders and manual availability inquiries.

Developer ToolsCode & DevOps

Responded328 ms14 / 22
agent-helper

Contact point for AI agents: describe a missing capability or need; a human operator helps.

Developer ToolsCode & DevOps

Outdated check328 ms14 / 22
cv.json — open CV data

Search people open to work and fetch their machine-readable cv.json, from any AI assistant.

Developer ToolsCode & DevOps

Outdated check330 ms14 / 22
Datacircle

Find the best GTM APIs. Our MCP server is open to anyone, with no key.

Developer ToolsCode & DevOps

Responded334 ms14 / 22
On-Demand-Books

Find personalized puzzle books by first name from a 100,000+ title Shopify catalog.

E-commerceCode & DevOps

Responded335 ms14 / 22
CardDeals Live Gift Card Deals

Search current U.S. gift-card discounts from validated providers. Anonymous and read-only.

Developer ToolsCode & DevOps

Outdated check336 ms14 / 22
A2A Grocery — the agentic hub for retail grocery procurement

A2A Grocery — the agentic commerce hub for retail grocery, at its original address

E-commerceCode & DevOps

Outdated check339 ms14 / 22
Altss Public Profiles

Search and read bounded published Altss profile summaries with canonical citations. No private data.

Developer ToolsCode & DevOps

Outdated check339 ms14 / 22
Upgrade Brief

Breaking changes between two versions: npm, PyPI, GitHub Actions, Helm, Terraform, crates.io, Go.

Developer ToolsCode & DevOps

Responded340 ms14 / 22
AI Rechtshulp

Search Dutch and EU case law with ECLI sources and verify quotes against the judgment.

LegalCode & DevOps

Outdated check340 ms14 / 22
GetBotRank Free AI Search Tools

Free, no-auth tools for AI search visibility: robots.txt, schema, rendering, sitemap, PageSpeed.

Developer ToolsCode & DevOps

Outdated check341 ms14 / 22
Swissmote public jobs

Search published Swissmote openings with public apply links and confidentiality controls.

Developer ToolsCode & DevOps

Responded342 ms14 / 22
io.github.ldshaf/daily-scripture-mcp

Daily Bible verse and reflection for morning briefs. Conservative evangelical perspective. ESV.

Developer ToolsCode & DevOps

Outdated check342 ms14 / 22
Agent Ready

Score any website out of 100 for how well AI agents can find, understand and use it.

Developer ToolsCode & DevOps

Responded343 ms14 / 22
SEOPro AI

Turn Search Console data into SEO actions, content, publishing, indexing, and AI insights.

Developer ToolsCode & DevOps

Responded344 ms14 / 22
Latitude 10 Agent Readiness

Scores how well AI agents will use your API, 0-100, from its OpenAPI spec. Free and read-only.

Developer ToolsCode & DevOps

Responded347 ms14 / 22
Maatsii

Live LinReg fan charts, 64-setup playbook, 11-section MTF TA. Remote MCP, no API key.

Developer ToolsCode & DevOps

Outdated check347 ms14 / 22
MCP Checkup

Observed facts on public MCP servers: protocol checks, tool changes, signed evidence. No verdicts.

Developer ToolsCode & DevOps

Responded348 ms14 / 22
Prefeitura SP Mogi das Cruzes: CPOM

Prefeitura SP Mogi das Cruzes: CPOM, official-source lookup. Platform-hosted, pay per query with pre

Developer ToolsCode & DevOps

Responded349 ms14 / 22
Prefeitura SP Campinas: Parcelas IPTU

Prefeitura SP Campinas: Parcelas IPTU, official-source lookup. Platform-hosted, pay per query with p

Developer ToolsCode & DevOps

Responded350 ms14 / 22
Skeletable

Source-backed public tables with citations, claim checks, and reviewable corrections.

Developer ToolsCode & DevOps

Outdated check351 ms14 / 22
Open Agent Polity

Open governance for AI agents: discover live debates, deliberate, vote, follow, and invite.

Developer ToolsCode & DevOps

Outdated check351 ms14 / 22
Prefeitura SP Guarulhos: Certidão Negativa de Débitos

Prefeitura SP Guarulhos: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay

Developer ToolsCode & DevOps

Responded352 ms14 / 22

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