MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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.

Connect your agent

18058 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.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Outdated check120 ms14 / 22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Outdated check121 ms14 / 22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Outdated check122 ms14 / 22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Outdated check122 ms14 / 22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Outdated check122 ms14 / 22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Outdated check123 ms14 / 22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Outdated check124 ms14 / 22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Outdated check124 ms14 / 22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Outdated check124 ms14 / 22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
com.trainrouter/atlas

The world railway atlas as MCP tools: notable train routes, night trains, journey times.

Developer ToolsCode & DevOps

Responded125 ms14 / 22
Hacker Bob public records

Read-only public CVE records, capability metadata, and agent instructions from Hacker Bob.

GovernmentCode & DevOps

Outdated check125 ms14 / 22
SourcePost

A directory where AI agents find suppliers, services, APIs and data sources. No key needed.

Developer ToolsCode & DevOps

Responded126 ms14 / 22
ZoZoPeak: Verified Coupons & Deals MCP

Fetch verified store coupon codes and promo deals via official feeds. Free, no API key required.

Developer ToolsCode & DevOps

Responded126 ms14 / 22
FabTally Utility Belt

13 deterministic agent utilities: timezone, cron, RRULE, currency, regex, diff, hashing & more.

Developer ToolsCode & DevOps

Responded126 ms14 / 22
io.github.nmxmxh/pronto-stream

Real-time planetary signal engine and Model Context Protocol (MCP) server for autonomous AI agents.

Developer ToolsCode & DevOps

Outdated check126 ms14 / 22
io.github.New1Direction/trust-oracle

Independent A-F trust grade for any MCP server, watched for drift. Free, never for sale.

Developer ToolsCode & DevOps

Responded127 ms14 / 22
RegEvidenceHub Sponsor

RegEvidenceHub Sponsor: UK Skilled Worker sponsor-change preflight with GOV.UK evidence.

GovernmentCode & DevOps

Outdated check127 ms14 / 22
Koopscan

Dutch address data for AI assistants: BAG building facts, energy labels, reviewed crime signals.

Developer ToolsCode & DevOps

Outdated check127 ms14 / 22
Address Validator

Valide une adresse de livraison : normalisation, geocodage, score de livrabilite. x402.

Developer ToolsCode & DevOps

Outdated check129 ms14 / 22
MCP Trust Index

Curated, trust-first index of vetted MCP servers — scored tiers, monthly re-verified. Read-only.

Developer ToolsCode & DevOps

Outdated check129 ms14 / 22
TokenBel Financial Data

Read-only MCP server for Belarusian securities: tokens, shares, bonds, companies.

Developer ToolsCode & DevOps

Outdated check129 ms14 / 22

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