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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18154 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
FabTally Safe

Read-only crypto safety: token honeypot checks, EIP-712 signature decode, approval scans.

Finance & CryptoCode & DevOps

Responded92 ms14 / 22
Menor Preço Hoje - MPH

Preços e ofertas locais em Lages via MCP para consumidores e agentes de IA.

Developer ToolsCode & DevOps

Outdated check92 ms14 / 22
CollectSEA

Find real software, security and AI-agent failures that resemble your design, with safeguards.

Developer ToolsCode & DevOps

Outdated check92 ms14 / 22
draw.io

Create draw.io diagrams in chat from Mermaid or XML, shown live and interactive. 10,000+ shapes.

Developer ToolsCode & DevOps

Outdated check92 ms14 / 22
Skill History

Track download history for 70,000+ agent skills. Search and get daily snapshots.

Developer ToolsCode & DevOps

Responded93 ms14 / 22
Agent Revenue Auditor

Free preflight and exact-price discovery for paid website and AI-agent audits.

Developer ToolsCode & DevOps

Responded93 ms14 / 22
Agent Demand Registry

Find data sources and MCP servers for missing capabilities, report blockers, say what you'd pay for.

Developer ToolsCode & DevOps

Responded93 ms14 / 22
Front Sentinel

Read-only security checks for dApp domains: registry lock, DNSSEC, CAA, SRI, SEAL DNS controls

Developer ToolsCode & DevOps

Responded93 ms14 / 22
Getform MCP by usefulapi

Read form submissions and submit new entries in Getform.

Developer ToolsCode & DevOps

Responded93 ms14 / 22
FabTally Guard

Verify before you act: deps-check, x402-preflight, json-repair & url-read for agents.

Developer ToolsCode & DevOps

Responded93 ms14 / 22
HeyClaude — Claude & AI workflow directory

Search the HeyClaude directory of Claude Code agents, MCP servers, skills, and tools.

Developer ToolsCode & DevOps

Outdated check93 ms14 / 22
KaliCart Global (UCP Catalog)

UCP Catalog for independent WooCommerce stores: consented, federated, with live price checks.

E-commerceCode & DevOps

Outdated check93 ms14 / 22
Should I Live Here?

Rank and compare US counties on health, hazards, crime, rent, internet and air, from public data.

Developer ToolsCode & DevOps

Outdated check93 ms14 / 22
ENTIA Entity Verification

Verified business identity for AI agents: 11.3M entities, EU VAT (VIES), BORME, GLEIF. Free trial.

Developer ToolsCode & DevOps

Outdated check93 ms14 / 22
SF Bay Area Transit MCP

Plan San Francisco and Bay Area transit trips and check upcoming stop departures. Free, no API keys.

Developer ToolsCode & DevOps

Outdated check93 ms14 / 22
Korean Real Estate Transactions

Korean apartment and housing sale/rent records (MOLIT) by natural-language address. No key.

Real Estate & PropertyCode & DevOps

Responded94 ms14 / 22
Undertow market liquidity and exit-cost tools

Dated exit evidence, depth, tiers and gold cash scenarios. No executable quotes or trade authority.

Developer ToolsCode & DevOps

Outdated check94 ms14 / 22
Eldertongue

Old English dictionary over MCP: headwords, inflection tables, form ID, Beowulf citations.

Developer ToolsCode & DevOps

Outdated check94 ms14 / 22
ClinicMarketIQ Public Data

Read-only U.S. healthcare dataset metadata, schemas, immutable downloads, and checksums.

HealthcareCode & DevOps

Outdated check94 ms14 / 22
Handover

Shared, versioned context that humans and AI agents can publish, review, annotate, and continue.

Developer ToolsCode & DevOps

Responded95 ms14 / 22
Diffusion Love Knowledge

Public knowledge and news search. Unmatched public queries may be retained for research.

Developer ToolsCode & DevOps

Outdated check95 ms14 / 22
getorderability: AIO orderability door

AIO orderability: may a capital product be ordered for a client category? Signed by the home node.

Developer ToolsCode & DevOps

Outdated check95 ms14 / 22
Awardia

EU public tenders for AI agents: open tenders, award history, competitors and bid intelligence.

Developer ToolsCode & DevOps

Responded96 ms14 / 22
Turniermeister — Tournament Engine

Turnier engine: AI prepares a real tournament (bracket, schedule) and returns a claim link.

Developer ToolsCode & DevOps

Outdated check96 ms14 / 22

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