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

619 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
Mat Web & Data Toolkit (x402)

28 pay-per-call web/data tools: RDAP, SSL, DNS, SEO, FX, crypto, more. 0.01 USDC each via x402.

Finance & CryptoPayments & trading

UnreachableNot measured4 / 22
NameFlow

Find available domain names with real prices, buy within your limits, and set up DNS.

Developer ToolsCode & DevOps

Outdated checkNot measured4 / 22
OpenClaw MCP Ecosystem

9 remote MCP servers on Cloudflare Workers for AI agents. Free tier + Pro API keys.

Developer ToolsCode & DevOps

Outdated checkNot measured4 / 22
Outdated checkNot measured4 / 22
Paw Pulse

Heartbeat and tokens/sec monitoring for self-hosted LLM servers (Ollama etc.), with down alerts.

Developer ToolsMonitoring & observability

Outdated checkNot measured4 / 22
Regulatory Monitor

Federal Register monitoring and regulations.gov tracking. 4 MCP tools for regulatory compliance.

LegalMonitoring & observability

Outdated checkNot measured4 / 22
ToolPipe MCP Server

45+ dev tools via MCP: JSON, QR, hash, DNS, code review, fake data, screenshots, and more.

Developer ToolsCode & DevOps

Outdated checkNot measured4 / 22
ToolPipe MCP Server

238+ dev tools via MCP: JSON, QR, PDF, DNS, hash, UUID, code review, JWT, SSL, WHOIS, and more

Developer ToolsCode & DevOps

Outdated checkNot measured4 / 22
Watchpup

Free uptime monitoring: HTTP/TCP/TLS/DNS + MCP server checks, cron heartbeats, status pages, alerts.

Developer ToolsMonitoring & observability

Outdated checkNot measured4 / 22
Wisely x402 Agent-Payment Infrastructure

Self-facilitated x402/MCP payments for hosted endpoints, rail proofs, receipts, and agents.

Finance & CryptoPayments & trading

Outdated checkNot measured4 / 22
com.hirosecure/architect

Security reviews for coding agents: diffs checked against your org policy and live infrastructure.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22Not checked yet
com.korushield/koru-shield

Manage Koru Shield DNS filtering: profiles, rules, categories, schedules, and logs.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
com.omniwatchguard/mcp

AI-powered website change monitoring - manage monitors and alerts via MCP.

Developer ToolsMonitoring & observability

Requires authNot measured4 / 22Not checked yet
com.pingvera/monitoring

Client-website monitoring for agencies: uptime, incidents, SSL/domain expiry, server metrics.

Data & AnalyticsMonitoring & observability

Requires authNot measured4 / 22Not checked yet
com.smirnovlabs/ynab-mcp-server

Hosted remote MCP server for YNAB on Cloudflare Workers with OAuth

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
dev.domainee/domainee

Custom domains API for SaaS: connect, verify, and manage customer domains, SSL, and DNS

Developer ToolsCode & DevOps

Requires authNot measured4 / 22Not checked yet
io.github.corewebvitals/coredash

Real User Monitoring for Core Web Vitals. Query LCP, INP, CLS field data from real visitors.

Developer ToolsMonitoring & observability

Requires authNot measured4 / 22Not checked yet
io.github.dame-senders/senders-mcp

Cold email infrastructure — campaigns, prospects, mailbox health and replies via Claude.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured4 / 22
io.github.jaylee7777/daemoon

One PAT, any MCP agent: Vercel, GitHub, Cloudflare, Supabase, GCP — unified dev infra gateway.

Developer ToolsDatabase

Requires authNot measured4 / 22Not checked yet
io.rootstuff/sentinel

Uptime, SSL, DNS and domain monitoring you can talk to from Claude or any MCP client.

Developer ToolsMonitoring & observability

Requires authNot measured4 / 22
Action Log

Executive status across Jira, Azure DevOps and Basecamp: workstreams, scorecard and actions.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22
adbtd

Email infrastructure as a service: mailboxes, domains, dedicated IPs, sending, deliverability.

ProductivityCommunication & messaging

Requires authNot measured4 / 22
Aderlo Cloud

Manage Aderlo Cloud hosting: files, DNS, MySQL/PostgreSQL databases and WP-CLI over OAuth scopes.

Developer ToolsDatabase

Requires authNot measured4 / 22
Agentic News

AI-powered news intelligence — 21 tools for personalized monitoring, briefings, and semantic search

MediaMonitoring & observability

Requires authOutdated checkNot measured4 / 22

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