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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18196 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
Genuine Good Grants

U.S. federal grant discovery, details, fit scoring, briefs, and shortlist checks via x402.

GovernmentCode & DevOps

Responded129 ms14 / 22
Mansa African Financial Reference Data

African bank & SWIFT codes, NUBAN resolution, mobile networks, holidays and ISO 4217 currencies.

Developer ToolsCode & DevOps

Responded130 ms14 / 22
ChronoKey

MCP tools: timestamps, UUID v4, gas prices, domain WHOIS, text extraction, and persistent memory.

Developer ToolsCode & DevOps

Responded130 ms14 / 22
RegEvidenceHub CableCert

Independent owner-side QA for structured-cabling certification closeout evidence.

Developer ToolsCode & DevOps

Responded130 ms14 / 22
Let Agents In

Scan agent readiness, or find measured providers an unattended AI agent can finish with.

Developer ToolsCode & DevOps

Responded130 ms14 / 22
Commit — Supply Chain Risk Scoring

Supply chain risk scoring for npm, PyPI, Cargo, and Go. 9 tools. Behavioral signals.

Developer ToolsCode & DevOps

Responded131 ms14 / 22
Address Validator

Valide une adresse de livraison : normalisation, geocodage, score de livrabilite. x402.

Developer ToolsCode & DevOps

Responded131 ms14 / 22
MCPFax Reliability

Before you pay an endpoint you cannot vouch for: credit grade, drift and preflight.

Developer ToolsCode & DevOps

Responded131 ms14 / 22
vorausgedacht.at

Edelmetallkurse, MarktWache, gemeinfreie Bücher, unverbindlicher Rückruf-Service aus Österreich

Developer ToolsCode & DevOps

Responded131 ms14 / 22
RegEvidenceHub Sponsor

RegEvidenceHub Sponsor: UK Skilled Worker sponsor-change preflight with GOV.UK evidence.

GovernmentCode & DevOps

Responded132 ms14 / 22
ToolVet

The vetted directory of paid APIs and MCP servers for AI agents.

Developer ToolsCode & DevOps

Responded132 ms14 / 22
io.github.f-tiger/agiscorecard-web3-permit

Review declared AI data permissions, expiry and regions; model revenue splits without moving funds.

Developer ToolsCode & DevOps

Responded132 ms14 / 22
ImpactLine public research

Search public laws and implementation evidence with sources, scope limits and dated coverage.

Developer ToolsCode & DevOps

Responded132 ms14 / 22
MCP Selection Lab

Benchmark MCP tool selection with metadata-only routing, collision, abstention, and holdout checks.

Developer ToolsCode & DevOps

Responded133 ms14 / 22
RegEvidenceHub Premises

RegEvidenceHub Premises: UK premises-licensing preflight for supported authorities.

Developer ToolsCode & DevOps

Responded133 ms14 / 22
MCP Trust Index

Curated, trust-first index of vetted MCP servers — scored tiers, monthly re-verified. Read-only.

Developer ToolsCode & DevOps

Responded133 ms14 / 22
ToolScout Software Recommendation

Which software to buy: shortlists, comparisons and alternatives with reasons and recorded prices.

Developer ToolsCode & DevOps

Responded134 ms14 / 22
EU Safety Gate Product Recalls

Is this product recalled in the EU? 46,506 official Safety Gate alerts by GTIN, brand or name.

Developer ToolsCode & DevOps

Responded134 ms14 / 22
Atlas of Plant Based: PCT data

Read-only Pacific Crest Trail data: legs by trail mile, towns, passes and lakes, and vegan resupply.

Developer ToolsCode & DevOps

Responded134 ms14 / 22
PaperBanana Research Figure Prompts

Search and read public research figure prompt templates from PaperBanana.

Developer ToolsCode & DevOps

Responded134 ms14 / 22
Container Loading Calculator

Work out how many flat-pack units fit in a 20ft or 40HQ container: layers, weight and utilisation.

Developer ToolsCode & DevOps

Responded134 ms14 / 22
Bidsketch MCP by usefulapi

Read Bidsketch clients, proposals, fees and templates; create and update clients, proposals, fees.

Developer ToolsCode & DevOps

Responded134 ms14 / 22
API Meter

Per-customer API usage analytics: sign up, get ingest snippets, read usage by customer and endpoint.

Developer ToolsCode & DevOps

Responded135 ms14 / 22
The 07:00 Brief

Your agent knows the markets by 07:00, every day. We read them so you don't have to.

Developer ToolsCode & DevOps

Responded135 ms14 / 22

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