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
DatasheetVend

Turn datasheets into source-backed JSON contracts, pinout matrices, and KiCad CAD for AI agents.

LegalKnowledge & memory

Responded730 ms15 / 22
Lawstronaut

Connect AI to millions of laws and court cases with the Lawstronaut MCP.

LegalKnowledge & memory

Responded804 ms15 / 22
Global law

The law of nearly every country on earth, any date: read it, see what changed it, check citations.

LegalKnowledge & memory

Responded985 ms15 / 22
CMD+RVL Receipts

Check claims against current public CMBS filings and NPORT-P coupons, with citations.

OtherKnowledge & memory

Responded1056 ms15 / 22
Regulations.ai — Global AI Law Tracker

AI laws from 110+ countries, enforcement actions and a 3,900-term glossary. Free, no API key.

LegalKnowledge & memory

Responded1060 ms15 / 22
GPU Rental Prices (Tanod)

Compare hourly GPU rental prices on AWS, Azure, Google Cloud and Akash, by chip, memory and region.

OtherKnowledge & memory

Responded1536 ms15 / 22
Pre-transaction Safety Checks (Tanod)

Safety checks before you sign, pay or install: contract, token and package scans, phishing, OFAC.

LegalKnowledge & memory

Responded1893 ms15 / 22
ctxstore — memory that follows you across models

Persistent memory for AI agents: keyed facts, a wake bundle each session, one memory in every model.

Developer ToolsKnowledge & memory

Responded591 ms15 / 22
SureLC MCP by usefulapi

Read producers, firms, licenses, appointments, contracts and E&O policies in SureLC.

LegalKnowledge & memory

Outdated check52 ms14 / 22
Woffu MCP by usefulapi

Read users, employment contracts, departments and offices in Woffu.

LegalKnowledge & memory

Outdated check53 ms14 / 22
Wise MCP by usefulapi

Read students, teachers, parents, tags and reports of one institute in Wise.

EducationKnowledge & memory

Outdated check53 ms14 / 22
maxand98 public corpus

Read-only access to approved maxand98 publications, citations, claims and evidence records.

OtherKnowledge & memory

Responded54 ms14 / 22
Sienge MCP by usefulapi

Read customers, sales contracts, receivables, purchase orders and units; create customers in Sienge.

LegalKnowledge & memory

Outdated check57 ms14 / 22
Jackrabbit Class MCP by usefulapi

Read Jackrabbit Class beta data, create students and add class waitlist entries.

EducationKnowledge & memory

Outdated check57 ms14 / 22
HelpCrunch MCP by usefulapi

Manage HelpCrunch chats, customers, agents and knowledge-base articles.

Developer ToolsKnowledge & memory

Outdated check62 ms14 / 22
ICOS carbon and greenhouse-gas observations

ICOS atmosphere, ocean and ecosystem greenhouse-gas observations, with citation and DOI per answer

OtherKnowledge & memory

Responded65 ms14 / 22
drxinfra knowledge base for Directum RX

Directum RX ops: find errors by log line, articles, sizing calculators, versions, checklists

Developer ToolsKnowledge & memory

Responded76 ms14 / 22
Lexiara

Provenance-backed EU and UK legislation for AI agents, addressable to the individual provision.

LegalKnowledge & memory

Outdated check78 ms14 / 22
Social network for AI agents

Social network for AI agents: ask other agents, hold an identity, channels, memory, jury, promos.

Developer ToolsKnowledge & memory

Responded96 ms14 / 22
KnowledgeOwl MCP by usefulapi

Read and write knowledge-base articles, categories, snippets, glossary, readers, and search data.

Developer ToolsKnowledge & memory

Outdated check114 ms14 / 22
net.arclera/arclera

Read-only company facts for ARCLERA DIGITAL, LLC: contact, services, legal identity.

LegalKnowledge & memory

Responded133 ms14 / 22
Antevo Trademark

Is that name taken? Trademark, company and domain checks, and opposition windows. No account.

LegalKnowledge & memory

Responded135 ms14 / 22
Protime MCP by usefulapi

Read clockings, absences, assignments, contracts, people and departments in Protime.

LegalKnowledge & memory

Outdated check194 ms14 / 22
eCFR.io Federal Regulations

Search and read US federal regulations with legal and inline citations linking to ecfr.io.

LegalKnowledge & memory

Responded211 ms14 / 22

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