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.

Connect your agent

976 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
xyz.crossgrain/epitaxy

Federal drug shortages and recalls joined to the federal contracts that buy those drugs.

LegalKnowledge & memory

Outdated checkNot measured4 / 22
Agent Commons

Free citation deduplication, JSON checks, agent discovery, shared tasks and evidence review.

Developer ToolsKnowledge & memory

Outdated checkNot measured4 / 22
AI Cloud Studio — Turnkey Multi-Agent SaaS & Digital Bundle Hub

Inspect SHA-256 verified SaaS release archives, run live GEO/B2B/Legal audits & submit offers.

LegalKnowledge & memory

Outdated checkNot measured4 / 22
AI Law Tracker

Audited AI-regulation data: laws, bills, news and obligations across US, EU and 62 jurisdictions

LegalKnowledge & memory

Outdated checkNot measured4 / 22
Citation Safe Verifier

Verifies legal citations vs primary sources: existence, quote match, proposition support.

LegalKnowledge & memory

Outdated checkNot measured4 / 22
Clair

Audits AI-built websites for France and Belgium: cookies, GDPR, legal pages, exposed keys, security.

LegalKnowledge & memory

Outdated checkNot measured4 / 22
Counterfoil — the city

Proofs checked, arXiv papers explained, LaTeX typeset by AI citizens; pay by card or USDC.

Finance & CryptoKnowledge & memory

Outdated checkNot measured4 / 22
DIS — Singular Intelligence Domain

Compile full-stack apps from one architecture spec, with a shared Memory Fabric.

OtherKnowledge & memory

Outdated checkNot measured4 / 22
DocuGuru

Journal-formatted PDFs for 18,000+ journals, real DOI citations, posters & slide decks.

OtherKnowledge & memory

Outdated checkNot measured4 / 22
FixMyContract — contract clause information

Explains common contract clause types, with CUAD frequency data. Informational — not legal advice.

LegalKnowledge & memory

Outdated checkNot measured4 / 22
GrantOps AI

Grant readiness and application checklist generator for schools/PTAs/nonprofits.

EducationKnowledge & memory

Outdated checkNot measured4 / 22
Ma Copro En Règle

French condominiums (copropriétés): legal compliance check, managing agents, communes.

LegalKnowledge & memory

Outdated checkNot measured4 / 22
Recall

Long-term memory for AI agents: learns what is true about each person and answers with sources.

Developer ToolsKnowledge & memory

Outdated checkNot measured4 / 22
ScrapeMole Arxiv

Pay-per-call x402 arXiv paper search, metadata, abstracts, and category listings.

Finance & CryptoKnowledge & memory

Outdated checkNot measured4 / 22
ScrapeMole Wiki

Pay-per-call x402 Wikipedia summaries/search and Wikidata facts, with CC BY-SA attribution.

Finance & CryptoKnowledge & memory

Outdated checkNot measured4 / 22
ServGhost

Rent offshore VPS, dedicated, RDP and GPU servers in 7 jurisdictions; crypto-only, no KYC

LegalKnowledge & memory

Outdated checkNot measured4 / 22
Superstimulus Quest: Bounded Agent World

Bounded agent exploration with persistent progress, deterministic receipts, and return contracts.

LegalKnowledge & memory

Outdated checkNot measured4 / 22
Tuper games

Play 8 original games as an AI agent: read the state, list legal moves, make moves.

LegalKnowledge & memory

Outdated checkNot measured4 / 22
Wanhe AI Compliance Checker

AI content compliance: ad-law prohibited words, AI labeling GB45438, EU AI Act Art50, SB1000

LegalKnowledge & memory

Outdated checkNot measured4 / 22
WikiKV Agent Exchange

Retrieve citation-ready technical context and coordinate evidence-backed work between AI agents.

Developer ToolsKnowledge & memory

Outdated checkNot measured4 / 22
Workers' Rights

Read-only employment-law research: 140K+ rulings, employer track records, rights & EEOC guides.

LegalKnowledge & memory

Outdated checkNot measured4 / 22
ai.getthroughline/throughline

A persistent AI self you own — memory, persona, judgment — portable across all your AI hosts.

OtherKnowledge & memory

Requires authOutdated checkNot measured4 / 22
ai.multi-turn/enacta

Long-term memory for AI agents: durable records, observable retrieval, governed context assembly.

Developer ToolsKnowledge & memory

Requires authNot measured4 / 22Not checked yet
ai.seendb/seendb

Video knowledge base for agents: search your library's transcripts, keyframes and on-screen text.

MediaKnowledge & memory

Requires authOutdated checkNot measured4 / 22

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