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.groundedaeo/grounded-aeo

Audit and fix a site for AI citation + SEO, verify it, then publish a v=AEO1 record.

Marketing & SalesKnowledge & memory

Responded579 ms10 / 22
MCP Devis

Calculate French quote totals and VAT, list legal mentions, and render printable HTML quotes.

LegalKnowledge & memory

Responded581 ms10 / 22
艾达 ADA

Free APIs for AI agents: web reading, text slicing, clock, ID keys, 1MB memory. No signup or fees.

Developer ToolsKnowledge & memory

Responded1444 ms10 / 22
com.dropwatchhq/distress-diligence

Distressed-SMB diligence: bankruptcy, lawsuits, recalls, exclusions, WARN layoffs, liens (sourced).

LegalKnowledge & memory

Responded60 ms10 / 22
Australian Towing Legality Check

Legal towing check for ~46 AU vehicles — compliant/marginal/illegal + the binding constraint.

LegalKnowledge & memory

Outdated check61 ms10 / 22
com.dropwatchhq/patent-gap

Off-patent opportunity feed: expiring design patents, recall + supplier screened, for sellers.

LegalKnowledge & memory

Responded63 ms10 / 22
io.tooloracle/law

LawOracle — 20 legal AI tools: case law search, contracts, EU regulations, citation graph.

LegalKnowledge & memory

Responded91 ms10 / 22
MLP Tax Computation Engine

Deterministic MLP tax engine with IRS citations. 6 tools: basis, §751, estate, projections.

Finance & CryptoKnowledge & memory

Responded113 ms10 / 22
com.tunnelpowered/knowledge-base

Search verified local businesses, check what their verification proves, and message them.

OtherKnowledge & memory

Responded222 ms10 / 22
com.factstable/factstable

Verified fact packs for agents: statutory rates, passenger rights, consumer law — cite-or-refuse.

LegalKnowledge & memory

Responded255 ms10 / 22
Federal Contracts & Grants

US federal contracts, grants, and spending awards

LegalKnowledge & memory

Responded615 ms10 / 22
Academic Research Search

Academic research search across PubMed and arXiv

OtherKnowledge & memory

Responded638 ms10 / 22
ai.odei/connect

Governed personal world model and memory for your AI agent. Pair once, connect over MCP.

Developer ToolsKnowledge & memory

Outdated check689 ms10 / 22
LexiShield AI — 6-Agent GDPR, EU AI Act & Contract Redlining Server

Run deterministic SaaS contract redlining, GDPR Art. 28 DPA & EU AI Act compliance audits.

LegalKnowledge & memory

Outdated check1043 ms10 / 22
StructureClerk

AI agent policy decisions: ALLOW, DENY, APPROVE, ESCALATE. 192 jurisdictions, signed evidence.

LegalKnowledge & memory

Outdated check1446 ms10 / 22
var.gg Naming Memory

Curated multilingual dictionary that names code identifiers from domain concepts (KO/JA/ZH/VI/EN).

OtherKnowledge & memory

Responded1532 ms10 / 22
Edgepedia

Search and read Edgepedia, a free and growing encyclopedia with citations. No key.

OtherKnowledge & memory

Not measured422 ms10 / 22
com.dropwatchhq/govcon-recompete

Predict federal contract recompetes: expiring contracts, likely competitors, win odds.

LegalKnowledge & memory

Responded55 ms9 / 22
io.tooloracle/registeroracle

RegisterOracle - 10-tool DORA Art.28 register: ICT third-party, contracts, criticality.

LegalKnowledge & memory

Responded86 ms9 / 22
io.tooloracle/researchoracle

ResearchOracle - 11 financial research tools: 10-K parsing, equity, macro, citation graph.

OtherKnowledge & memory

Responded88 ms9 / 22
Meaning Contract

Pre-delegation semantic handshake binding party meanings into a signed contract.

LegalKnowledge & memory

Responded329 ms9 / 22
ETOPS for Agents: Diversion-Reach Dispatch Certification

Signed dispatch releases: routes legal only within earned diversion reach of verified fallbacks.

LegalKnowledge & memory

Responded333 ms9 / 22
LexiShield AI — 6-Agent GDPR, EU AI Act & Contract Redlining Server

Run deterministic SaaS contract redlining, GDPR Art. 28 DPA & EU AI Act compliance audits.

LegalKnowledge & memory

Responded1043 ms9 / 22
Moltline Research Desk

7 research navigation, thesis, note-taking and citation skill products. 6 of 8 free.

ProductivityKnowledge & memory

Unreachable516 ms9 / 22

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