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.

Connect your agent

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
Python Code Validator

Proves AI-generated Python does what you asked: lint, types, security, sandbox run, exact fixes.

OtherOther

Requires authNot measured4 / 22Not checked yet
Qalimo

Gestion locative française : biens, locataires, baux, quittances, comptabilité. OAuth 2.1.

OtherOther

Requires authOutdated checkNot measured4 / 22
Qoyod Connector (Awsel)

Turn chat invoices into drafts in Qoyod accounting. 27 tools, OAuth sign-in, human approval.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22
QuizBase

MCP server for trivia: 1.4M+ questions (EN+PL), 24 categories, 12 tools + 4 prompts, OAuth 2.1.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22Not checked yet
RaidRunner

Manage your Twitch raid-train schedule from an AI assistant: claim, release & trade slots via OAuth.

OtherOther

Requires authOutdated checkNot measured4 / 22
RAKUDA Atlas

Search Japanese companies, departments and hiring signals; export CSV/XLSX with authentication.

ProductivityData access / search

Requires authNot measured4 / 22Not checked yet
Rally

Run your Rally creator program from an agent: briefs, creators, content, ads, payouts. OAuth or key.

Marketing & SalesData access / search

Requires authNot measured4 / 22Not checked yet
ReachSocial

Instagram, X, TikTok, YouTube, Facebook and Reddit data. Approved OAuth or API-key access required.

MediaAI / LLM tooling

Requires authNot measured4 / 22Not checked yet
Relayger: AI agent messaging

AI agent messaging with durable inboxes, contacts and tasks. Connect through MCP with OAuth.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured4 / 22
RentFig

Read-only RentFig data for UK landlords: properties, tenancies, arrears, compliance and P&L.

Real Estate & PropertyData access / search

Requires authOutdated checkNot measured4 / 22
Republeq Merchant MCP

OAuth-protected product catalog, ratings, reviews, categories and guides for approved agents.

E-commerceData access / search

Requires authOutdated checkNot measured4 / 22
ResponseHub

Answer security questionnaires and RFPs from your AI knowledge base.

OtherKnowledge & memory

Requires authNot measured4 / 22
Reven

Accounting, tax and finance data for your Reven organizations, with OAuth consent.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22
Review Expert

Read, search, analyze and draft replies to App Store and Google Play reviews (OAuth sign-in).

OtherData access / search

Requires authOutdated checkNot measured4 / 22
RFP.ai

Draft cited RFP and security questionnaire answers from your knowledge base, with human review

OtherKnowledge & memory

Requires authNot measured4 / 22Not checked yet
Ridian

Calendars, tasks, contacts, bookings and agent inboxes for your assistant. EU-hosted, OAuth.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
Rivul

Search 300M+ scholarly paper records and read paper details. Free; OAuth sign-in.

OtherData access / search

Requires authNot measured4 / 22
roTEAMnet Career Workspace

Search jobs, review confirmed CV facts and prepare documents with scoped OAuth access.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
Roundhouse

Read-only analytics on x402 agent payments and ERC-8004 agent identity, with SQL.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
Safeguard

Software supply chain security: SBOMs, vulnerabilities, fixes, policies and compliance data.

OtherOther

Requires authOutdated checkNot measured4 / 22
SBOMApp - SBOM Generator & Vulnerability Scanner

Generate SBOMs, scan vulnerabilities, and analyze dependencies from local projects or Git repos.

SecurityCode & DevOps

Requires authNot measured4 / 22Not checked yet
Scopable

Scopable MSP API: clients, quotes, assessments, compliance, QBRs. OAuth 2.1, read-only or read-write

OtherOther

Requires authOutdated checkNot measured4 / 22
scorebadge

Free website score for speed, SEO, security and AI search readiness, with the fixes.

Marketing & SalesData access / search

Requires authOutdated checkNot measured4 / 22
SealGate

既存のログインにパスキーを追加する API (日本製)。プロジェクト・API キー・パスキー・監査ログを tool で扱う。管理画面のアカウントでログインしてつなぐ (OAuth)

OtherOther

Requires authOutdated checkNot measured4 / 22

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