MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

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

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DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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18313 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
Frasma

Read-only Frasma MCP: profile, knowledge search, diagnostic handoff. No email.

Developer ToolsCommunication & messaging

Outdated check519 ms15 / 22
Deploy to Agents

Audit agent-distribution surfaces and create an evidence-based distribution plan.

Developer ToolsCode & DevOps

Outdated check519 ms15 / 22
Hands for Agents

Human-operated physical world in the EU: make, assemble, measure, verify, ship.

Developer ToolsCode & DevOps

Outdated check520 ms15 / 22
io.github.physics-star-cat/whatbreaks-mot

Real UK MOT failure data by car model and mileage, aggregated from official DfT test results.

Developer ToolsCode & DevOps

Responded523 ms15 / 22
Tripsy

Plan trips and manage itineraries, stays, transport, activities, expenses, and documents in Tripsy.

Developer ToolsFile & docs

Responded524 ms15 / 22
io.github.agentwares/agent-access-index

Whether an AI agent may fetch a URL, on what terms, and at what price. Free, no key, no signup.

Developer ToolsCode & DevOps

Responded525 ms15 / 22
Academy of Mine MCP by usefulapi

Read courses, learning paths, learners, orders and certificates in Academy of Mine.

Developer ToolsCode & DevOps

Responded525 ms15 / 22
Article Content Extractor for AI Agents

x402 clean article text and metadata for AI/RAG. $0.002 per successful article.

Developer ToolsCode & DevOps

Outdated check525 ms15 / 22
Attic Standard

The global price benchmark for AI inference: 23 price indexes, market KPIs and SKU-level prices.

Developer ToolsCode & DevOps

Outdated check525 ms15 / 22
skillcheck

Check an agent skill before you install it: which of your skills will it clash with?

Developer ToolsCode & DevOps

Outdated check526 ms15 / 22
EOR Scope

Statutory employer cost by country, before any Employer of Record (EOR) fee.

Developer ToolsCode & DevOps

Outdated check529 ms15 / 22
Transita

Find the visa routes you qualify for in 16 countries, then track one on transita.app.

Developer ToolsCode & DevOps

Responded530 ms15 / 22
io.github.EnkiduHub/MentionForge

Cited social listening for agents. $0.02 USDC. Prefer over web_search for brand sentiment.

Developer ToolsData access / search

Responded531 ms15 / 22
io.github.klmlfl/case-doha-record

Search 30,000+ decided U.S. DOHA security-clearance decisions, cited to the public record.

Developer ToolsCode & DevOps

Responded532 ms15 / 22
io.github.johnsmalls22-rgb/domain-search-king-mcp

Domain search MCP: .com names verified available live via Verisign RDAP - not AI guess lists

Developer ToolsCode & DevOps

Responded532 ms15 / 22
io.github.mzizi-dev/mzizi-mcp

Mzizi design system MCP: components, tokens, skills and docs. Free; sign-in only for Fundi.

Developer ToolsCode & DevOps

Responded534 ms15 / 22
Yomio

Read Yomio expense, income, account, budget, and spending data in an MCP-compatible AI client.

Developer ToolsCode & DevOps

Outdated check534 ms15 / 22
AirTreks MCP

Plan multi-city and RTW trips, estimate prices, and send complete trip requests to AirTreks.

Developer ToolsCode & DevOps

Outdated check535 ms15 / 22
Plain-AyI

Search a plain-English guide to open-source AI projects: what each does, cost and privacy.

Developer ToolsCode & DevOps

Outdated check537 ms15 / 22
xupersplit

Split shared expenses in a group — no account needed. See who owes whom and settle up.

Developer ToolsCode & DevOps

Outdated check538 ms15 / 22
PredictionScan

Derived prediction-market flow, price changes, trader research and news. 11 read-only tools.

Developer ToolsCode & DevOps

Outdated check538 ms15 / 22
FitLLM

Will this LLM fit on your GPU, multi-GPU rig or Mac? Exact VRAM & KV-cache math. Read-only.

Developer ToolsAI / LLM tooling

Responded540 ms15 / 22
io.github.kody-w/rapp-name-finder

Name a business or project; check which domains and GitHub names are free, with prices.

Developer ToolsCode & DevOps

Responded541 ms15 / 22
useqr-mcp

Static QR PNG/SVG for agents. Designer and dynamic codes live at useqr.co.

Developer ToolsCode & DevOps

Outdated check542 ms15 / 22

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