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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1519 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
PatrolTech

Security patrol management: missed rounds, suspicious scans, incidents and checkpoint setup.

OtherOther

Requires authNot measured5 / 22
Pith — Instagram publishing

Publish to Instagram from chat — official Graph API, OAuth 2.1, free for your own posts.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
Plott

UK planning MCP: applications, workspace, and outreach over Streamable HTTP OAuth.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
POEditor

Official MCP server for POEditor, the translation management system. Hosted, OAuth 2.1.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
Praat met je Boekhouding (Chat with your Books)

Connect Exact Online accounting to Claude, ChatGPT and Copilot. 114 tools, OAuth 2.1, EU-hosted.

Finance & CryptoAI / LLM tooling

Requires authNot measured5 / 22
Precleared Contact Check

Cold email compliance check, 14 countries: per-address verdict, rule cited, signed receipt.

ProductivityCommunication & messaging

Requires authNot measured5 / 22Not checked yet
Prembly MCP Server

Identity verification, compliance and fraud detection checks from Prembly, for LLM clients.

Developer ToolsAI / LLM tooling

Requires authOutdated checkNot measured5 / 22
Project Room — agent coordination

Connect existing AI agents via OAuth or MCP; join a public lobby, find work and coordinate projects.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
Proofable MCP

Context and control for any AI. Agent identity, scoped access, and proof across tools.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
Proppely

Governed property-management MCP: portfolio, leasing, accounting, maintenance, OAuth 2.1.

Finance & CryptoCode & DevOps

Requires authNot measured5 / 22
PRzilla

OAuth-protected CrossFit and HYROX catalog: workouts, benchmarks, and movement guides.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
PyAI Voice AI

User-approved phone calls, speech, transcription and voice agents with PyAI OAuth.

MediaCode & DevOps

Requires authOutdated checkNot measured5 / 22
Qeemah Accounting & ZATCA e-Invoicing

Saudi ZATCA e-invoicing Phase 2 compliance audit, invoice drafting, and CFO VAT analytics.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured5 / 22
QuantJourney API MCP

Broad, OAuth-protected provider and financial-domain API tools for research agents.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
Quellenkontor HR-Daten

Verified German HR data with legal source: minimum wage, social security, holidays, notice periods

LegalKnowledge & memory

Requires authNot measured5 / 22Not checked yet
RegDataLab – FDA Compliance Data

Check any company's or site's FDA inspections, 483s, warning letters and recalls in one place.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
Relvato

Website monitoring: uptime, checkout, SEO (Search Console, Bing), security, speed, DNS, compliance.

Finance & CryptoMonitoring & observability

Requires authNot measured5 / 22Not checked yet
Repo Security Scanner — Malicious Code & Supply Chain

Audit GitHub repos for malicious and supply-chain code before you depend on them.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
Route6 — Agent Network Identity

Gives AI agents a public IPv6 identity, hostname, port forwarding, web fetch, team mesh. Free tier.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
SafeWeave

Security scanner for AI-written code: SAST, secrets, dependencies, IaC, containers and DAST.

OtherOther

Requires authOutdated checkNot measured5 / 22
Secrets Leak Audit

Scan text and git diffs for committed credentials using real vendor key formats plus entropy.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
SecureNow

Production security for Node.js apps: investigate live attacks, block IPs, tune detections.

OtherOther

Requires authOutdated checkNot measured5 / 22
sendifai

335 MCP tools, 75 playbooks. AI-native CRM, email/SMS, events, OAuth.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured5 / 22
SEO Perception

Search Console, crawl, and SEO to-dos in Cursor and Claude. OAuth or token; close to-dos optionally.

Marketing & SalesBrowser & web scraping

Requires authOutdated checkNot measured5 / 22

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