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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41191 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
Canvas Medical MCP by usefulapi

Search and read a patient chart over the Canvas FHIR R4 API. Read-only.

HealthcareData access / search

Responded159 ms15 / 22
Cairn Commons

Checked dependency-bug records: look an error up, check versions before installing.

Developer ToolsCode & DevOps

Outdated check159 ms15 / 22
afro.tools

Open-source API specs for African providers (payments, SMS, KYC, delivery) for AI agents.

Finance & CryptoPayments & trading

Outdated check159 ms15 / 22
Smoobu MCP by usefulapi

Check vacation-rental reservations, rates, availability and guest messages, and update bookings.

TravelData access / search

Responded160 ms15 / 22
Copper MCP by usefulapi

Read and write Copper CRM people, companies, opportunities and activities.

Marketing & SalesData access / search

Responded160 ms15 / 22
ChurchSuite MCP by usefulapi

Read ChurchSuite contacts, children, small groups, rotas, events and attendance; add contact notes.

ProductivityFile & docs

Responded160 ms15 / 22
Beamer MCP by usefulapi

Read posts, comments, reactions, feature requests, votes and NPS responses in Beamer.

Developer ToolsCode & DevOps

Responded160 ms15 / 22
voicehook

Talk with your agents. A voice call in the browser that your agent can start or join.

Developer ToolsCode & DevOps

Responded160 ms15 / 22
Bounty Engineer Agent Commerce

Remote MCP storefront for agent routing, verification, web extraction and x402-paid tools.

E-commerceCode & DevOps

Outdated check160 ms15 / 22
StackTheDeal Deals

Live, verified deals from StackTheDeal — every price checked on the retailer's own page.

OtherOther

Outdated check160 ms15 / 22
Digital Gemology: gemology glossary and grading report terms

Gemology glossary: grading report terms, 4 Cs, clarity, colored gemstones, how sparkle is measured

OtherOther

Outdated check160 ms15 / 22
PostData

No-signup IoT backend: device names, sensor readings, history and live charts. No API key needed.

OtherOther

Outdated check160 ms15 / 22
Universe MCP by usefulapi

Read events, ticket types, orders, attendees and daily ticket sales in Universe.

Developer ToolsCode & DevOps

Responded161 ms15 / 22
ChargeOver MCP by usefulapi

Read ChargeOver customers, invoices, transactions, subscriptions, reports; create customers, quotes.

Finance & CryptoPayments & trading

Responded161 ms15 / 22
Zetesis Scientific Due Diligence

Due diligence on life-science claims: omics, trials, gene therapy. Dimension by dimension.

Developer ToolsCode & DevOps

Responded161 ms15 / 22
com.brainonbnb/bobai

Before any BSC trade: free honeypot/rug check, rug alarm (no webhook), PancakeSwap route + fee tiers

OtherAutomation & workflows

Responded162 ms15 / 22
Lucyd

Trade Bitcoin Up/Down prediction markets on Lucyd: markets, order books, orders, positions.

Finance & CryptoPayments & trading

Responded162 ms15 / 22
Api2Pdf MCP by usefulapi

MCP server for Api2Pdf — generate PDFs & images from HTML, URLs or office files; merge, barcodes.

MediaAI / LLM tooling

Responded162 ms15 / 22
codeitso (코드잇소)

Read-only catalog of app-building materials: fonts, APIs, MCP servers, libraries, templates, data.

Developer ToolsCode & DevOps

Responded162 ms15 / 22
MiConvert File Converter

Convert files by URL: OFD→PDF, 3D/CAD (STEP, STL, GLB), images, audio, video, documents.

MediaFile & docs

Outdated check162 ms15 / 22
io.github.ChanMeng666/archlang-mcp

Floor plans as code: compile, lint and repair ArchLang (.arch) floor plans to SVG, DXF and PDF.

Developer ToolsCode & DevOps

Responded163 ms15 / 22
Workyard MCP by usefulapi

Read Workyard employees, projects, time cards and geofences; approve time cards and add notes.

ProductivityFile & docs

Responded163 ms15 / 22
Retirement Contribution Limits 2027

401(k), IRA, HSA limits, age 60-63 catch-up, Roth catch-up rule, Social Security COLA, 2025-2027.

Developer ToolsCode & DevOps

Responded163 ms15 / 22
Business Frameworks

Operating judgement for businesses under $50M revenue. Free top layer; nodes and bundles over x402.

Developer ToolsCode & DevOps

Outdated check163 ms15 / 22

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