Free and open-source coding assistants MCP Connectors

Scan/purge hidden text & score web domains: TLS, DNS, headers, speed. Free scans, $0.01 actions.

Networking & Infrastructure Observability Security

62

Fixter's MCP provides a stream-lined agentic way to onboard, setup and use the Fixter monitoring and observability platform. Check out more at https://fixter.dev/

Monitoring Observability

522

NoLag MCP B

Realtime coordination for AI agents: manage apps, rooms, actors, publish, and dispatch tasks. Visit https://nolag.app and setup your account.

Agent Orchestration Communication Observability

351

Watchpup A

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

Monitoring Observability Networking & Infrastructure

121

Uptimepage A

Monitor uptime and incidents, run checks, and publish status updates from your Uptimepage org.

Monitoring Observability

15116

AFMR Discovery A

Read AFMR failure modes and discover scoped attestation and lift-evidence contracts.

Security Observability Documentation Access

41

LLM Latency Tracker A

Measured latency, time to first token and uptime for ~45 AI inference APIs, by region.

Monitoring Observability

121

Frontier A

Discover Frontier inference capabilities and read sanitized usage through read-only tools.

AI & Machine Learning Monitoring Observability

31

EchoRelay A

A managed runtime for custom API integrations. Manage lines, endpoints, keys, logs and DLQ via MCP.

Communication Observability Developer Tools

792

mcp A

Issue signed receipts for AI agent actions; verify any receipt offline - free, no account.

Security Observability

31

verifier A

MCP tool observatory: do registry servers answer, and are their answers true? No key.

Observability API Testing Testing & QA Tools

81

remote.observer — machine-economy observatory A

Free MCP window into a live autonomous machine-economy experiment: telemetry, hypothesis scoreboard.

Observability Research & Data

51

Uptimeify A

Free anonymous website, DNS, email and TLS checks, plus read-only access to your monitors.

Monitoring Observability Networking & Infrastructure

251

rtcStats A

Query analyzed WebRTC sessions: observations, deductions, experience scores, and AI summaries.

Monitoring Observability

31

AgentFabric — Human-in-the-Loop Review & Approval B

Human-in-the-loop review and approval for AI agents. Audit trail, approval policies, native MCP.

Agent Orchestration Security Observability

11

API Status Check A

Check real-time uptime and incident status for 285 APIs and cloud services.

Monitoring Observability

811

OutageDeck A

Live status for 172 cloud and SaaS vendors from their official feeds. Is it you, or is it them?

Monitoring Observability Cloud Platforms

141

Invokera Status A

Live health and AI-readable metadata of invokera.com. Demo of an Invokera-hosted MCP server.

Monitoring Observability

31

Sighttrue B

Measured readings on open-source dependencies: health, end-of-life, model prices, incidents.

Monitoring Observability Developer Tools

3111

Readout C

Measured readings on open-source dependencies: health, end-of-life, model prices, incidents.

Developer Tools Observability Open Data

3111

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