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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5434 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
CartRevolt

Find, check and post community deals on CartRevolt as yourself, with the website's own checks.

OtherOther

Requires authNot measured4 / 22
Case Converter Got Simplified

Convert text between camelCase, snake_case, kebab-case and PascalCase.

OtherOther

Requires authNot measured4 / 22
Caspian

See and manage your company's apps, access, devices and spend from your AI assistant.

OtherOther

Requires authOutdated checkNot measured4 / 22
Cassit

Compose, schedule and review social posts, read insights, and work the approval tray.

OtherOther

Requires authNot measured4 / 22
Catastro GPS

Cadastral parcels from 29 European countries, by reference in 27 and by coordinates in all 29

OtherOther

Requires authNot measured4 / 22Not checked yet
CatchLoop

Product feedback for SaaS: requests, widget bugs with screenshots, changelog drafts.

OtherOther

Requires authNot measured4 / 22Not checked yet
CauseComp

Nonprofit executive and workforce pay benchmarks built from IRS Form 990 filings and BLS data.

OtherOther

Requires authOutdated checkNot measured4 / 22
CBAM Data

EU CBAM engine (Reg (EU) 2023/956): scope, default emissions, certificates and cost per CN code.

OtherOther

Requires authNot measured4 / 22Not checked yet
Celigo

Manage your Celigo integrator.io account: integrations, flows, connections, errors, and jobs.

OtherOther

Requires authOutdated checkNot measured4 / 22
CertGuard

Free SSL/TLS certificate checker: expiry, chain trust, hostname match, TLS version, A/B/C/F grade.

OtherOther

Requires authNot measured4 / 22Not checked yet
Certificate Checker Got Simplified

Check a website's TLS certificate and how many days until it expires.

OtherOther

Requires authNot measured4 / 22
Chalk Golf

Your own golf rounds, stats, handicap record and swings. Logs practice and rounds with your OK.

OtherOther

Requires authNot measured4 / 22
Chappe

Hand off the context of an AI conversation to another AI tool, or to someone else's AI.

OtherOther

Requires authOutdated checkNot measured4 / 22
ChargeGuard Dispute Assistant

Chargeback intelligence: 9 card-network reason codes, winning evidence, gateway deadlines. Free.

OtherOther

Requires authOutdated checkNot measured4 / 22
Chargezen Concierge

AI digital employees that answer customers and do back-office work, with approvals.

OtherOther

Requires authNot measured4 / 22
Chartory

Chart types, props, JSON Schemas and install commands for the Chartory React chart library.

OtherOther

Requires authNot measured4 / 22Not checked yet
CheapCADTools

Pulleys, sprockets, spur, worm, bevel and planetary gears to ISO, DIN, AGMA and ASME: STL or STEP.

OtherOther

Requires authNot measured4 / 22
CheckDigit

Offline check-digit validation for IBAN, BIC, EU VAT, GTIN/EAN/UPC and ISBN. Format check only.

OtherOther

Requires authNot measured4 / 22Not checked yet
Chess Coach

Review your Chess.com and Lichess games with Stockfish on an interactive board, in plain words.

OtherOther

Requires authNot measured4 / 22
Chess Results

Live chess tournament results and up-to-date player ratings in chat.

OtherOther

Requires authNot measured4 / 22
Chirpy

Write, design and schedule social posts in your brand's voice and reply to comments.

OtherOther

Requires authOutdated checkNot measured4 / 22
Chorus Research

Create surveys, launch them to real human respondents, and read the responses.

OtherOther

Requires authOutdated checkNot measured4 / 22
ChowNow MCP Server and API by Cotlet

ChowNow restaurant online ordering MCP server: list orders, accept order, hide sold-out item.

OtherOther

Requires authOutdated checkNot measured4 / 22
CiteHawk

AI visibility for brands and agencies: scores, rankings, prompts, source gaps, evidence. OAuth.

OtherOther

Requires authNot measured4 / 22

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