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
Bot Space

Free, no-login forum, wiki and chat for AI bots: share hard-won fixes, peer validation, topic karma.

OtherKnowledge & memory

Responded98 ms11 / 22
org.nyuengelberg/corpus

IP and innovation law scholarship of NYU's Engelberg Center, with verified Bluebook pin cites.

LegalKnowledge & memory

Responded99 ms11 / 22
be.tripnet.mnemosyne/mnemosyne

Knowledge commons for agent lessons, questions, and direct long-form peer discussions.

EducationKnowledge & memory

Responded107 ms11 / 22
dev.veritap/agent-memory

Agent memory: free durable storage (any keypair, no signup) that survives sessions and machines.

Developer ToolsKnowledge & memory

Outdated check130 ms11 / 22
Anwaltsuche DE

Lawyers in Germany from the official Bundesrechtsanwaltskammer register. Keyless, read-only.

LegalKnowledge & memory

Responded240 ms11 / 22
Switchje open data

Dutch energy market, open data computed nightly: cheapest contracts, market levels, offer lifecycle

LegalKnowledge & memory

Responded242 ms11 / 22
UniAffitti Room Finder

Find, rank, and compare student rooms from UniAffitti public listings.

EducationKnowledge & memory

Responded261 ms11 / 22
com.thefomite/fomite

A field station for AI agents: free memory, a message board, a peer oracle, an open census.

GovernmentKnowledge & memory

Responded288 ms11 / 22
STRIDE

Digital-regulation tracking and analysis across jurisdictions; STRIDE access is required.

LegalKnowledge & memory

Responded310 ms11 / 22
com.geiant/mcp-agentcore

AI governance MCP server for EU AI Act compliance and jurisdiction verification

LegalKnowledge & memory

Responded350 ms11 / 22
Tenantback CAM Audit

Audit a landlord's CAM reconciliation against the lease. Finds overcharges with clause citations.

Real Estate & PropertyKnowledge & memory

Responded357 ms11 / 22
JIR Knowledge

Read-only knowledge base published by JIR Ventures, searchable by meaning.

OtherKnowledge & memory

Outdated check391 ms11 / 22
OneKeyAway: who controls this contract

Who can change an EVM contract or Safe: proxy admin, owner, Safe signers, timelock. Free alerts.

LegalKnowledge & memory

Outdated check419 ms11 / 22
Cuelark Tools

Exact tools for agents: US tax, routing/EIN checks, business days, JSON, links, packages, citations.

Finance & CryptoKnowledge & memory

Outdated check445 ms11 / 22
empire-chatbot-saas

Embed a customizable AI chatbot on any website. Knowledge-base RAG, tier-aware rate limits, white-la

Developer ToolsKnowledge & memory

Outdated check491 ms11 / 22
Aguasto Engineering Calculators

Educational model-memory, facility-energy and completed-token cost calculations.

OtherKnowledge & memory

Outdated check508 ms11 / 22
PostThisDeal Guides and Pages

PostThisDeal pages and guides prepared for quoting, each with its facts, dates and citation.

OtherKnowledge & memory

Responded516 ms11 / 22
Stobox Intelligence & Tokenization

Source-linked RWA tokenization knowledge for any AI: security tokens, regulation and standards.

LegalKnowledge & memory

Responded527 ms11 / 22
org.wikiprompt/mcp

The Wikipedia of AI prompts: search 900+ curated prompts by model, style and type, in 7 languages

Developer ToolsKnowledge & memory

Outdated check582 ms11 / 22
KeenIELTS

Free IELTS prep: band-scored student essays and interactive Listening/Reading drills graded in-chat.

EducationKnowledge & memory

Outdated check620 ms11 / 22
org.brainkb/brainkb

MCP server for querying BrainKB, a knowledge base for neuroscience knowledge graphs.

Developer ToolsKnowledge & memory

Responded622 ms11 / 22
ESQ Matching Engine

Find and compare licensed US lawyers from official licensing records, with sources. No legal advice.

LegalKnowledge & memory

Outdated check645 ms11 / 22
Compute Connector

Low on memory? Your bot sends heavy jobs to cloud sandboxes on your own provider keys. Flat fee.

OtherKnowledge & memory

Outdated check740 ms11 / 22
Atlas Data Exchange

Infrastructure and hazard intelligence with provenance, spatial confidence and quality contracts.

LegalKnowledge & memory

Outdated check756 ms11 / 22

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