Summary
Connects to Trunk's flaky test detection service and surfaces two main operations: getting root cause analysis with fix suggestions for flaky tests, and generating setup plans to start uploading test results to Trunk. Uses OAuth for authentication and runs as a hosted service at mcp.trunk.io. Reach for this when you're debugging test flakiness and want AI assistance that pulls from Trunk's analysis of your test history. Works with Cursor, Claude Code, GitHub Copilot, and Gemini CLI. The fix-flaky-test tool is the main draw here, giving you actionable suggestions based on patterns Trunk has identified in your test runs.
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Trunk.io MCP Server
Leverage the power of Trunk Flaky Tests from your IDE, or the AI application of your choosing.
Use MCP Server
Trunk Flaky Tests comes with a Model Context Protocol (MCP) server. AI applications like Claude Code or Cursor can use MCP servers to connect to data sources, tools, and workflows — enabling them to access key information and perform tasks.
Supported AI Applications
| Application | Supported | Guide | Plugin |
|---|---|---|---|
| Cursor | Yes | Setup guide | Cursor plugin |
| Claude Code | Yes | Setup guide | Claude Code plugin |
| GitHub Copilot | Yes | Setup guide | |
| Gemini CLI | Yes | Setup guide |
[!NOTE] Gemini Code Assist and Windsurf are not supported due to their limited support for MCP servers.
Quick Start
Cursor
Add to .cursor/mcp.json:
{
"mcpServers": {
"trunk": {
"url": "https://mcp.trunk.io/mcp"
}
}
}
Claude Code
claude mcp add trunk --transport streamable-http https://mcp.trunk.io/mcp
GitHub Copilot
Add to .vscode/mcp.json:
{
"servers": {
"trunk": {
"type": "http",
"url": "https://mcp.trunk.io/mcp"
}
}
}
Gemini CLI
Add to ~/.gemini/settings.json:
{
"mcpServers": {
"trunk": {
"httpUrl": "https://mcp.trunk.io/mcp"
}
}
}
API
The MCP server is available at https://mcp.trunk.io/mcp and exposes the following tools:
| Tool | Description |
|---|---|
fix-flaky-test | Retrieve root cause analysis and fix suggestions for flaky tests |
setup-trunk-uploads | Generate a setup plan to upload test results to Trunk |
Authorization
The Trunk MCP server supports the OAuth 2.0 + OpenID Connect standard for MCP authorization. When connecting from a supported client, you will be prompted to authenticate via your Trunk account.
Made with love by the Trunk.io team
Featured
Keep your Mac awake while Claude Code and 40+ AI agents run. Sleeps when they're idle.
One time payment $9 →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →On Capafy, your Skill runs online 24/7 as an agent product, and you get paid every time someone uses it.
Start earning →
