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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41107 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
CallHippo MCP by usefulapi

Read users, contacts and call logs; manage contacts and Do Not Call numbers in CallHippo.

Developer ToolsCode & DevOps

Responded154 ms15 / 22
OnPage.dev

Free SEO MCP that closes the loop: find, fix, ship as a PR or to a CMS, prove. 37 tools, no key.

Marketing & SalesData access / search

Outdated check154 ms15 / 22
Loox MCP by usefulapi

Read Loox product and store reviews, reviewer details and rating summaries. Read-only.

Developer ToolsCode & DevOps

Responded155 ms15 / 22
Clockify MCP by usefulapi

Track time in Clockify: time entries, projects, clients, tags and reports; start, stop and log time.

Developer ToolsCode & DevOps

Responded155 ms15 / 22
Medical Terminologies MCP

Diagnoses, drugs & lab codes: ICD-11, LOINC, RxNorm, MeSH, ATC, CID-10. 33 tools, MIT.

HealthcareCode & DevOps

Responded155 ms15 / 22
Blumen Komander München

First German florist with a public MCP server. Search bouquets and order flowers via AI in Munich.

Developer ToolsCode & DevOps

Responded155 ms15 / 22
SiteKrs

List SiteKrs templates and get editor links; import your own source on the SiteKrs homepage.

Developer ToolsCode & DevOps

Outdated check155 ms15 / 22
ImgVX AI

Find the free ImgVX AI browser tool for any image job: remove backgrounds, upscale, compress.

MediaAI / LLM tooling

Outdated check155 ms15 / 22
Crypto Derivatives Data API

Perp funding rates, open interest, futures basis, IV, liquidations, order books on 8 exchanges

Finance & CryptoPayments & trading

Outdated check155 ms15 / 22
Re:amaze MCP by usefulapi

Manage Re:amaze conversations, messages, contacts and help articles.

Developer ToolsCode & DevOps

Responded156 ms15 / 22
Parabol MCP by usefulapi

Start Parabol retrospectives, standups and sprint poker; read teams/meetings/tasks; create tasks.

ProductivityFile & docs

Responded156 ms15 / 22
Tancky AI Image Combiner

AI photo tools from Tancky AI: image combiner, couple, family and wedding photos, background remover

MediaCode & DevOps

Responded156 ms15 / 22
localscreenshot

Screenshot API for AI agents. Any public page as image or PDF, banners hidden, 227 countries.

MediaFile & docs

Outdated check156 ms15 / 22
Weekdone MCP by usefulapi

Read weekly reports, teams, objectives and KPIs; add report items and comments in Weekdone.

Developer ToolsCode & DevOps

Responded157 ms15 / 22
Open Dental MCP by usefulapi

Read appointments, open slots, providers, procedure codes and recalls in Open Dental.

HealthcareData access / search

Responded157 ms15 / 22
Fillout MCP by usefulapi

Read Fillout forms and submissions, export responses, and create submissions and webhooks.

Developer ToolsAutomation & workflows

Responded157 ms15 / 22
Basis Theory MCP by usefulapi

Read token metadata, applications, audit logs, proxies and usage in the PCI vault.

Developer ToolsCode & DevOps

Responded157 ms15 / 22
France Care, accès aux soins et prévention

Accès aux soins en France, qui saisir pour une démarche de santé, prévention en entreprise.

Developer ToolsCode & DevOps

Outdated check157 ms15 / 22
PaintColorMatcher — Scientific Paint Color & HEX CIEDE2000 Matcher

Match HEX codes & find cross-brand paint equivalents across Sherwin-Williams, Benjamin Moore & Behr.

Developer ToolsCode & DevOps

Outdated check157 ms15 / 22
SEO and Keyword Data API

SEO data: keyword volume, CPC, Trends, backlinks, domains, SERP, Maps, audits. Pay per call (x402)

Finance & CryptoData access / search

Outdated check157 ms15 / 22
Magic Master — Audio Mastering

Audio mastering for AI agents: LUFS/True Peak targets, Suno/Udio AI-fingerprint removal.

MediaAI / LLM tooling

Responded158 ms15 / 22
SiteCheck

225 pay-per-call agent tools: Polymarket, chain reads, DeFi, web, SEC, KYB, geo, dev, AI. x402

Finance & CryptoCode & DevOps

Outdated check158 ms15 / 22
Fakturowo MCP by usefulapi

Read invoices, clients and products in Fakturowo; create documents and update payment status.

Finance & CryptoPayments & trading

Responded159 ms15 / 22
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

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