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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41787 servers

Ordered by checks passed
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
audit.domains - Domain Valuation

Deterministic domain name valuation: fair-value interval, scored factors, real comparable sales.

OtherOther

Responded363 ms15 / 22
io.github.pooriaarab/drivingschool

Compare driving schools by city: prices, languages, cars.

EducationCode & DevOps

Responded365 ms15 / 22
com.trip1/mcp

Book hotels over MCP. Pay over x402. 3M+ properties in 200+ countries, USDC on Base.

Finance & CryptoPayments & trading

Responded365 ms15 / 22
Accredible MCP by usefulapi

Read Accredible credentials, groups, designs, analytics, skills; issue one credential as a draft.

Data & AnalyticsData access / search

Responded365 ms15 / 22
stierproducts tier lists

S-to-F tier lists for 208 product categories. Every placement cited, with barcodes.

OtherOther

Responded366 ms15 / 22
Offres Neuf by M2

Logements neufs des promoteurs partenaires de M2 : programmes, lots, prix et disponibilités.

OtherOther

Responded367 ms15 / 22
Ferritin — Rust documentation

Search and read Rust documentation for the standard library and any crate on crates.io

OtherFile & docs

Responded367 ms15 / 22
AI Market - Real AI Agent Services & Buyer Demand

Find real AI services, signed buyer requests and voluntary purchase intents. Free MCP; no escrow.

Developer ToolsCode & DevOps

Responded369 ms15 / 22
Scento Perfume API (MCP server)

Scento perfume API and MCP server: notes, families, similar scents for 1,600+ perfumes. No key.

ProductivityFile & docs

Responded369 ms15 / 22
io.github.pooriaarab/esavendors

Find learning vendors your education fund reimburses.

EducationCode & DevOps

Responded369 ms15 / 22
io.github.kody-w/rapp-agent-builder

Turn an idea or meeting transcript into a working single-file AI agent, check it, use it right away.

Developer ToolsCode & DevOps

Responded369 ms15 / 22
CultureMonkey MCP by usefulapi

List, add, update and deactivate employees in CultureMonkey.

Developer ToolsCode & DevOps

Responded369 ms15 / 22
DaedalMap Reverse Geocoding (coordinates to loc_id)

Resolve WGS84 points and map boxes to available administrative loc_id hierarchies.

Data & AnalyticsData access / search

Responded370 ms15 / 22
FactReason

Check exact npm/PyPI upgrades for evidence-backed breaking changes; query APIs and components.

Developer ToolsCode & DevOps

Responded371 ms15 / 22
BinaSmart

Ethiopia: Addis rides, jobs, tenders, hotels, health, homes, cars, news and government guides

GovernmentData access / search

Responded371 ms15 / 22
Strale

Hundreds of pay-per-call tools for agents: company records, screening, validation, web reading.

Developer ToolsCode & DevOps

Responded372 ms15 / 22
Privi Verify

Manufacturing lot verification and chain of custody for AI agents, paid per call in USDC (x402).

Finance & CryptoPayments & trading

Responded373 ms15 / 22
CloudSign MCP by usefulapi

Create, send and track e-signature documents with their files and recipients in CloudSign.

Developer ToolsFile & docs

Responded373 ms15 / 22
4dayweek.io Jobs

Search reduced-hours jobs and employers: 4-day weeks, 9-day fortnights, half-day Fridays and more.

OtherData access / search

Responded374 ms15 / 22
Próceres · escritos judiciales de España: papeleta, demanda y recursos

Redacta papeleta, demanda y recursos de España con los preceptos del BOE. Sin datos personales.

OtherOther

Responded374 ms15 / 22
io.github.ldshaf/daily-scripture-mcp

Daily Bible verse and reflection for morning briefs. Conservative evangelical perspective. ESV.

Developer ToolsCode & DevOps

Responded374 ms15 / 22
AI Storefront Readiness Grader

Grades any storefront URL A-F on 20 weighted conversion checks. $1.00/call via x402.

E-commerceCode & DevOps

Responded374 ms15 / 22
Sitemap URL Extractor for AI Agents

x402 sitemap discovery and URL extraction for agents. $0.0001 per emitted URL.

Developer ToolsCode & DevOps

Responded375 ms15 / 22
Privi Quantum

Quantum on IonQ/IBM/Braket: spending mandates, signed benchmarks, paid PQC CBOM, advantage receipts.

Developer ToolsCode & DevOps

Responded375 ms15 / 22

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