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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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
com.acquislaw/acquis

Verified EU law: verbatim, signed provisions with EUR-Lex links. Read-only, not legal advice.

LegalKnowledge & memory

Requires authOutdated checkNot measured5 / 22
com.deerdawn/deerdawn

AI session memory: the brief your AI reads before every session so no session starts cold.

OtherKnowledge & memory

Requires authOutdated checkNot measured5 / 22
com.humaux/memory

Persistent long-term memory for AI agents: semantic search, knowledge graph, and task canvas.

Developer ToolsKnowledge & memory

Requires authOutdated checkNot measured5 / 22
com.memfleet/memfleet

Shared, governed memory for fleets of AI agents: judged contributions, provenance, operator control

Developer ToolsKnowledge & memory

Requires authNot measured5 / 22Not checked yet
com.peopleprincipia/principia

Source-graded registry of organizational measurement: constructs, priors, instruments, citations.

OtherKnowledge & memory

Requires authNot measured5 / 22Not checked yet
com.prominara/prominara

GEO platform: track brand visibility, citations, sources and measurement verdicts across AI answers.

OtherKnowledge & memory

Requires authOutdated checkNot measured5 / 22
com.rulemesh/compliance

Engineered GDPR compliance for engineers and AI agents: pull rules, implement, submit evidence.

LegalKnowledge & memory

Requires authOutdated checkNot measured5 / 22
com.startupnamegenerator/name-tools

Generate startup names with an available .com, checked live, then screen US and EU trademarks.

LegalKnowledge & memory

Requires authOutdated checkNot measured5 / 22
com.taxlocus/taxlocus

US sales tax for AI agents: rates, economic nexus, taxability, filing. Citation-backed.

Finance & CryptoKnowledge & memory

Requires authOutdated checkNot measured5 / 22
com.vibsync/vibsync

One shared brain for your AI coding agents: team memory, agent Q&A, tasks, and file claims.

Developer ToolsKnowledge & memory

Requires authOutdated checkNot measured5 / 22
io.github.Essatt/knowman-mcp

KnowMan MCP server: search, ask, save and read your Knowledge Base from any MCP client.

Developer ToolsKnowledge & memory

Requires authNot measured5 / 22Not checked yet
my.aztra/aztra

Aztra workspace: projects, issues, sprints, goals, wiki and time tracking.

OtherKnowledge & memory

Requires authOutdated checkNot measured5 / 22
6DuckLearn MCP

Connect agents to 6DuckLearn memory, approvals, and runtime control.

Developer ToolsKnowledge & memory

Requires authNot measured5 / 22
ABS · AI Business System

Lean operations knowledge base built on DBS: cited answers, tool cards, plans and diagnoses.

OtherKnowledge & memory

Requires authOutdated checkNot measured5 / 22
Achriom

Media memory for AI agents: books, movies, music, shows, anime, podcasts, games, manga.

MediaKnowledge & memory

Requires authNot measured5 / 22
AcornReply

Set up AcornReply workspaces and read and edit your knowledge base.

OtherKnowledge & memory

Requires authNot measured5 / 22Not checked yet
AiAkiv Memory

Shared long-term memory for AI agents: save and recall context as a searchable knowledge graph.

Developer ToolsKnowledge & memory

Requires authNot measured5 / 22
AIfa Memory

Persistent memory for AI agents, one account across four sites, plus a partner program.

Developer ToolsKnowledge & memory

Requires authNot measured5 / 22Not checked yet
Amber

Long-term memory for AI assistants: permanent, portable across clients, searchable and exportable.

OtherKnowledge & memory

Requires authNot measured5 / 22
Ambix

Your product team's shared strategic memory — an MCP server your AI tools reason over.

Developer ToolsKnowledge & memory

Requires authNot measured5 / 22
Ansvar: Dutch Law

Dutch law via Ansvar Gateway. Cited, OAuth + paid tier.

LegalKnowledge & memory

Requires authNot measured5 / 22
Ansvar: EU Compliance & Legal Intelligence

Cited EU & global law, regulations & security frameworks via Ansvar Gateway. OAuth, free + paid.

LegalKnowledge & memory

Requires authNot measured5 / 22
Ansvar: EU Regulations

EU regulations (GDPR, DORA, NIS2, AI Act, etc.) via Ansvar Gateway. Cited, OAuth + paid.

LegalKnowledge & memory

Requires authNot measured5 / 22
Ansvar: French Law

French law via Ansvar Gateway. Cited, OAuth + paid tier.

LegalKnowledge & memory

Requires authNot measured5 / 22

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