sentry-companion-mcp

Unofficial Sentry MCP that provide unavailable tools on the official MCP.

Tools

Tool	Description
get_release_health	CFU, crash-free sessions, session and user counts for a release
get_release_adoption	Session-based and user-based adoption %
compare_releases	Side-by-side CFU comparison between two releases
get_release_new_issues	Issues first seen in a specific release
get_release_regressed_issues	Issues that regressed in a specific release
get_release_deploys	Deployment history for a release
add_issue_comment	Post a comment on a Sentry issue

Installation

1. Install uv if you haven't already.
2. Run once to register with Claude Code:

claude mcp add sentry-companion \
  -e SENTRY_PERSONAL_TOKEN=your_token \
  -e SENTRY_ORG=your-org-slug \
  -e SENTRY_PROJECT=your-project-id \
  -e SENTRY_BASE_URL=https://us.sentry.io \
  -- uvx sentry-companion-mcp

Or add manually to your .mcp.json:

{
  "mcpServers": {
    "sentry-companion": {
      "type": "stdio",
      "command": "uvx",
      "args": ["sentry-companion-mcp"],
      "env": {
        "SENTRY_PERSONAL_TOKEN": "your_token",
        "SENTRY_ORG": "your-org-slug",
        "SENTRY_PROJECT": "your-project-id",
        "SENTRY_BASE_URL": "https://us.sentry.io"
      }
    }
  }
}