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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18055 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.ogasurfproject-jpg/jhnrd

Japan home-visit nursing reimbursement rules, each with its source and that source's standing.

Developer ToolsCode & DevOps

Responded115 ms14 / 22
Music Studio

ABC sheet music + Strudel live coding: songs, videos and live jam sessions in ext-apps widgets.

MediaCode & DevOps

Outdated check115 ms14 / 22
io.github.pooriaarab/esavendors

Find learning vendors your education fund reimburses.

EducationCode & DevOps

Outdated check115 ms14 / 22
Abfallkalender Deutschland

Waste collection dates for German addresses from municipal authority calendars.

GovernmentCode & DevOps

Outdated check115 ms14 / 22
Feranor Resilience

Scan/purge hidden text & score web domains: TLS, DNS, headers, speed. Free scans, $0.01 actions.

Developer ToolsCode & DevOps

Responded116 ms14 / 22
Parlay

Read-only MCP server for live Polymarket, Kalshi, Limitless odds; Manifold sentiment.

Developer ToolsCode & DevOps

Responded117 ms14 / 22
The Deploy Log

AI deployments that shipped and are available now, each sourced to the publisher's own page.

OtherCode & DevOps

Responded118 ms14 / 22
io.github.pooriaarab/auctionfinder

Auction houses, online auctions and government surplus.

GovernmentCode & DevOps

Outdated check118 ms14 / 22
MaxMind minFraud MCP by usefulapi

MCP server for MaxMind minFraud — score transactions for fraud risk from your AI assistant.

Developer ToolsCode & DevOps

Responded119 ms14 / 22
xyz.forkcaster/mcp

Resolve Farcaster casts to deep-link URLs for any supported Farcaster client app. No auth.

Developer ToolsCode & DevOps

Responded120 ms14 / 22
Mind Upload AI meta harness

Your AI mind directs coding agents; work reviewed against your memories: Claude Code, Codex, Cursor

Developer ToolsCode & DevOps

Responded120 ms14 / 22
Entscheidsuche — Schweizer Gerichtsentscheide

Suche in Schweizer Gerichtsentscheiden aller Instanzen (Bund, Kantone) in DE/FR/IT.

Developer ToolsCode & DevOps

Outdated check120 ms14 / 22
io.github.KarstenKreh/standby-design-mcp

Generate design systems: OKLCH colors, fluid type scales, spacing, shape, icon and motion tokens.

Developer ToolsCode & DevOps

Outdated check120 ms14 / 22
flixconomy.ai: humans and Ari for agents

Real humans for AI agents: ask a question or rent a human for a task. Prepaid in EUR.

Developer ToolsCode & DevOps

Outdated check121 ms14 / 22
Dataset Join & Merge

Join two lists of JSON rows on a key, like SQL or VLOOKUP: left, inner, full, anti joins, union.

Developer ToolsCode & DevOps

Outdated check122 ms14 / 22
Jackpot Calculator

Estimate US lottery taxes, compare cash and annuity, split pool prizes and calculate jackpot odds.

Developer ToolsCode & DevOps

Outdated check122 ms14 / 22
10ML Perfume Finder

Free perfume MCP server and fragrance API: 6,000+ perfumes, note pyramids, accords, similar scents.

Developer ToolsCode & DevOps

Outdated check122 ms14 / 22
INTERNETS.FUN room reader

Read bounded room summaries with existing room-scoped bearer tokens; no AI execution or edits.

Developer ToolsCode & DevOps

Responded123 ms14 / 22
Quartermaster eSIM

Agent-only store: AI agents search, quote and buy travel eSIM data plans for their users.

TravelCode & DevOps

Outdated check123 ms14 / 22
TSUNAGI///Matrix — MAPPING

BMW E46 M3 DME and SMG II: VE and rf_korr from Testo logs, decode SMG calibrations. Local.

Developer ToolsCode & DevOps

Outdated check124 ms14 / 22
Islam West Africa Collection (IWAC)

Read-only access to the Islam West Africa Collection via Hugging Face datasets.

Developer ToolsCode & DevOps

Outdated check124 ms14 / 22
SwapWizard

Non-custodial DeFi for AI agents: swaps, concentrated liquidity (V3/V4) zaps + ranges, 5 EVM chains

Developer ToolsCode & DevOps

Outdated check124 ms14 / 22
cnvs.app

Real-time collaborative whiteboard — AI agents and humans edit the same board live over MCP.

Developer ToolsCode & DevOps

Outdated check124 ms14 / 22
io.github.Ikalus1988/misakanet

Failure-memory layer for coding agents: search evidence-rated failure lessons by error text.

Developer ToolsCode & DevOps

Outdated check124 ms14 / 22

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