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Fixzi ā€” MCP & API Schema Drift Monitor

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streamable-httpupdated 1mo ago

Monitor MCP servers, API contracts, and AI output schemas ā€” from inside Claude Code, Cursor, or any MCP client.

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What can you do with Fixzi ā€” MCP & API Schema Drift Monitor?

Fixzi MCP Server

Monitor MCP servers, API contracts, and AI output schemas ā€” from inside Claude Code, Cursor, or any MCP client.

Your MCP servers, APIs, and AI outputs can break while still returning 200. Fixzi watches the contracts your integrations depend on, classifies every change (breaking / warning / info), and alerts you before your users hit it. This MCP server lets your AI tools query and operate those monitors directly.

Connect

Claude Code

claude mcp add --transport http fixzi https://fixzi.ai/api/mcp \
  --header "Authorization: Bearer YOUR_FIXZI_API_TOKEN"

Or add to your project's .mcp.json:

{
  "mcpServers": {
    "fixzi": {
      "type": "http",
      "url": "https://fixzi.ai/api/mcp",
      "headers": {
        "Authorization": "Bearer YOUR_FIXZI_API_TOKEN"
      }
    }
  }
}

Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "fixzi": {
      "type": "streamable-http",
      "url": "https://fixzi.ai/api/mcp",
      "headers": {
        "Authorization": "Bearer YOUR_FIXZI_API_TOKEN"
      }
    }
  }
}

Get your API token at https://fixzi.ai/settings/api-tokens. When creating the token, grant the abilities for the tools you want to use (see below).

Tools

Monitoring (MCP servers, API contracts, AI validators)

Tool What it does Ability required
fixzi_list_monitors List all your monitors (MCP / API contract / AI validator) with health status ā€”
fixzi_get_monitor_status Current status, last check result, consecutive failures for one monitor ā€”
fixzi_get_recent_changes Change log for a monitor: severity, what changed, before/after (filter by date/severity) ā€”
fixzi_get_current_snapshot Current tool list of a monitored MCP server (names, descriptions, schemas) ā€”
fixzi_run_check_now Trigger a check immediately (async ā€” poll status after) monitors:write
fixzi_create_mcp_monitor Create a new MCP server monitor from a URL monitors:write

AI output validation

Tool What it does Ability required
fixzi_list_validators List your AI output validators validators:read
fixzi_get_validator Details of a specific validator validators:read
fixzi_run_check Run a validation check right now validators:check
fixzi_list_checks Recent check history validators:read

Example prompts

Once connected, ask your agent things like:

  • "Check if my MCP server changed this week" ā€” chains fixzi_list_monitors ā†’ fixzi_get_recent_changes
  • "Is my payments API contract still healthy?"
  • "Set up a monitor for the MCP server I just deployed at https://example.com/mcp"
  • "Run my product-description validator and tell me if the schema still passes"

Requirements

  • MCP server access requires the Pro+ plan ā€” see https://fixzi.ai/pricing
  • Fixzi's web app includes a free tier (1 monitor of each type, daily checks, email alerts) and free tools, including a no-signup MCP Server Checker to test any MCP server instantly.

Learn more