Openstatus MCP Health Checker

About Openstatus MCP Health Checker

Openstatus MCP Health Checker is a free, open-source tool that tests Model Context Protocol (MCP) servers by acting like a real AI client. It performs protocol-level checks instead of simple HTTP pings, surfacing JSON-RPC handshake details and authentication requirements.

Review

This tool addresses a common gap in MCP monitoring: a 200 OK response does not guarantee an agent can complete the JSON-RPC handshake or access tools. By running the initialization, ping, and tools/list flow and showing exact payloads and negotiated versions, it helps teams find integration issues faster.

Key Features

• Full protocol handshake: executes spec-defined initialize, ping, and tools/list sequences.
• Deep visibility: inspect exact JSON-RPC payloads, session IDs, and negotiated versions for each step.
• Smart auth handling: parses RFC 9728 headers on 401 responses to indicate where to fetch tokens and what scopes are expected.
• Open-source and free: zero-install web tool you can run against your own endpoints or public examples (e.g., https://hf.co/mcp).
• Clickable step inspection for quick debugging and reproducible request/response traces.

Pricing and Value

The product is offered for free as an open-source project. Its main value is in providing protocol-level validation that complements traditional uptime monitoring: teams get concrete, reproducible evidence of handshake and auth failures, which can shorten debugging cycles and reduce integration surprises for AI agents.

Pros

• Verifies real protocol interactions rather than just network availability.
• Shows exact JSON-RPC payloads and negotiated versions for clear troubleshooting.
• Parses auth-related headers to reveal precise token requirements after 401s.
• Free, open-source, and immediately usable without local installation.
• Simple web interface for step-by-step inspection.

Cons

• Does not yet fully execute downstream tool calls; final tool execution behavior is still being refined.
• Focused specifically on MCP protocol checks, so it is not a full replacement for broader observability platforms.
• Feature set is currently targeted and may lack extended reporting or compliance badges that some teams might want.

Ideal for developers, QA engineers, and platform teams building or operating MCP-compliant servers and AI agents, this checker is a practical tool for catching handshake and auth issues early. For general uptime monitoring or full end-to-end tool execution testing, it is best used as a complementary diagnostic rather than a single monitoring solution.