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
AI PhD

AI PhD office hours: a graded curriculum you run in your own AI. Not a university, not accredited.

EducationKnowledge & memory

Requires authOutdated checkNot measured4 / 22
AI-Advisors

Read-only AI search visibility data: citations, AEO audits, and advisor insights from AI-Advisors.

Developer ToolsKnowledge & memory

Requires authNot measured4 / 22Not checked yet
Aim

Market knowledge layer for AI agents: competitors, opinions and regulations shaping your market.

LegalKnowledge & memory

Requires authOutdated checkNot measured4 / 22
Airefs

Read-only AI search visibility, prompts, citations, competitors, and opportunities from Airefs.

OtherKnowledge & memory

Requires authOutdated checkNot measured4 / 22
Alwen

One memory for every AI you work with: your rules, notes and decisions in your own Git repo.

ProductivityKnowledge & memory

Requires authOutdated checkNot measured4 / 22
AnySkills

AnySkills online school: build courses, lessons and tests, publish, track student progress.

EducationKnowledge & memory

Requires authNot measured4 / 22Not checked yet
API Indonesia

Indonesian public data: regions, postal codes, holidays, prayer times, BMKG, schools, wages

EducationKnowledge & memory

Requires authNot measured4 / 22Not checked yet
AuditAE SEO MCP

SEO MCP: Search Console, GA4, SERP and domain data, rank tracking, AI citations and site fixes.

Marketing & SalesKnowledge & memory

Requires authOutdated checkNot measured4 / 22
BARK Regulatory Research

EU banking regulation research, cited to the article, from a versioned knowledge graph.

LegalKnowledge & memory

Requires authOutdated checkNot measured4 / 22
Beep

Shared memory for AIs. Share a project with anyone and their AI knows everything yours does.

OtherKnowledge & memory

Requires authOutdated checkNot measured4 / 22
BidCatch

SAM.gov, USAspending & state-portal bids, award history, expiring contracts, forecasts, protests

LegalKnowledge & memory

Requires authNot measured4 / 22Not checked yet
Big Dog Mining

Free MSHA mine safety data and search across 22 mining engineering handbooks, with page citations.

OtherKnowledge & memory

Requires authOutdated checkNot measured4 / 22
Bluet

Product memory your agents read before they work: briefs, plan checks against decisions, debriefs.

Developer ToolsKnowledge & memory

Requires authOutdated checkNot measured4 / 22
brainattic

The knowledge base your AI reads and writes, under your rules — over MCP, EU-hosted.

Developer ToolsKnowledge & memory

Requires authOutdated checkNot measured4 / 22
Brainfeather

Long-term memory for AI coding agents: durable project facts, recalled by every MCP client.

Developer ToolsKnowledge & memory

Requires authNot measured4 / 22Not checked yet
Brainiall Memory

Persistent semantic memory storage, associative recall, and recent memory index by namespace.

OtherKnowledge & memory

Requires authOutdated checkNot measured4 / 22
byline.fyi

Brand memory for creators: your voice profile, past work and content ideas in your AI tools.

OtherKnowledge & memory

Requires authOutdated checkNot measured4 / 22
Cachejay

Memory for your AI: what you saw on screen, said in calls and worked on, searchable by agents.

Developer ToolsKnowledge & memory

Requires authOutdated checkNot measured4 / 22
capsulam

Human-reviewed digests on AI, regulation and cybersecurity, every fact linked to its source.

LegalKnowledge & memory

Requires authOutdated checkNot measured4 / 22
Carousel

Onboard any applicant with one link: ID, credit, bank and income, court and police records.

LegalKnowledge & memory

Requires authNot measured4 / 22Not checked yet
CiteMe

Search papers, format citations in 60 styles, and verify bibliographies against scholarly sources.

OtherKnowledge & memory

Requires authNot measured4 / 22Not checked yet
Citlyze

Read-only access to your Citlyze workspace: AI search visibility, citations, and recommendations.

OtherKnowledge & memory

Requires authNot measured4 / 22Not checked yet
Claimora

Scientific and legal claim graph. Query claims, evidence, contradictions, and innovation flags.

LegalKnowledge & memory

Requires authNot measured4 / 22Not checked yet
Clment

Contract review that keeps your contracts: cited answers, Word redlines, key-date alerts.

LegalKnowledge & memory

Requires authOutdated checkNot measured4 / 22

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