# Ast Impact Mapper MCP

MCP server that uses TypeScript AST to find which tests are affected by a code change

Canonical: https://claudelist.com/listings/mcp-reg-io-github-vola-trebla-ast-impact-mapper-mcp-98a9128a51

Category: MCP Servers

Source: community · vola\-trebla

Source checked: 2026-10-14

Website: https://www.claudemcp.org/mcp/registry/io-github-vola-trebla-ast-impact-mapper-mcp-98a9128a513c.html

Publisher description: MCP server that uses TypeScript AST to find which tests are affected by a code change

## Install or set up

1. Review the publisher repository and npm package `ast-impact-mapper-mcp@0.3.1` before running it. The MCP Registry declares this package as a stdio server.
2. Install Node.js, then run the command below in your Claude Code project. Check the publisher README for any account or configuration requirements.
3. Restart Claude Code and use `/mcp` to confirm the connection and review its tools and permissions.

```sh
claude mcp add mcp-io-github-vola-trebla-ast-impact-mapper-mc-98a912 -- npx -y ast-impact-mapper-mcp@0.3.1
```

Installation guide: https://github.com/vola-trebla/ast-impact-mapper-mcp