MCP HeartbeatTHE MCP OBSERVATORY
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Independent measurements of remote MCP servers. Every observation has a timestamp.

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Remote MCP servers

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18127 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
Answer Checkup

Free AI readiness scan for any website. Paid reports for agents are coming soon.

Developer ToolsCode & DevOps

Responded317 ms14 / 22
firmy.ai: Polish company and person registers (KRS, CEIDG) for AI agents

Polish companies and people: KRS, CEIDG, financials, boards, VAT, sanctions. Free, no API key.

Developer ToolsCode & DevOps

Responded322 ms14 / 22
com.datahyena/signals

Deduplicated, entity-resolved funding rounds, acquisitions, and exec moves as MCP tools.

Developer ToolsCode & DevOps

Responded323 ms14 / 22
Canarics

AI call analysis and voice agents for sales teams. Signup, usage, agents and call data over MCP.

Developer ToolsCode & DevOps

Responded323 ms14 / 22
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Outdated check328 ms14 / 22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Outdated check330 ms14 / 22
CompatLab

Read recorded npm loading evidence across pinned Node.js, Bun and Deno runtimes.

Developer ToolsCode & DevOps

Responded331 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

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