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imi-sight-mcp

v1.0.5

Published

Model Context Protocol server exposing Sight CLI complexity analysis

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Maintainers

vincentchrisvincentchris

Keywords

Readme

Sight MCP Server

This repository exposes the Sight CLI complexity analysis as an MCP server so LLM clients can request metrics without shell access.

Prerequisites

  • Node.js 18 or newer
  • Network access to the internal npm registry (http://npm.imile-inc.com/) so npm install can download @imd/sight-cli

The MCP server bundles @imd/sight-cli as a production dependency. After installation the executable is available at node_modules/.bin/sight; override SIGHT_BINARY only if you need a custom build.

Usage

  1. npm install
  2. npm run build
  3. npm start

During development you can run npm run dev to execute the TypeScript entry point via tsx.

Configuration is provided via environment variables:

| Variable | Default | Description | | --- | --- | --- | | SIGHT_BINARY | bundled node_modules/.bin/sight if present, otherwise sight | Absolute path or executable name of the CLI | | SIGHT_WORKDIR | current working directory | Directory passed to the CLI | | SIGHT_DEFAULT_ARGS | --output json | Extra default arguments (space separated or JSON array) | | SIGHT_ALLOWED_FLAGS | (see below) | Comma-separated whitelist for Sight CLI flags to guard against typos | | SIGHT_TIMEOUT_MS | 60000 | Timeout for the CLI invocation |

MCP Tool

  • Name: sight-complexity
  • Inputs:
    • target (string, required): analysis target passed to sight complexity
    • args (string[], optional): additional Sight CLI flags that must be present in the allow list
    • includeRawReport (boolean): include raw JSON in the text response
    • timeoutMs (number): override configured timeout
  • Outputs: Structured complexity metrics parsed from the CLI, plus a human summary and optional raw report text.

Testing

npm test

Unit tests mock the Sight CLI process to cover success, validation failures, missing binary, non-zero exit codes, and timeouts.

  • Sight CLI flags supported by default: -o, --output, --output-file, -i, --include, -e, --exclude, -j, --concurrency, -t, --threshold, --min-complexity, --filter, --min-file, --top-files, --top-functions, -c, --config, --no-config, --jsx-analysis, --jsx-props-in-cognitive, --fast-mode, --memory-limit, --timeout, --max-file-size, --skip-minified-js, --no-color, --include-details, --pretty, --respect-gitignore, --use-global-gitignore, --algorithms, --progress, --tui, --json-view, --view-output-file, --events, --events-file. Update SIGHT_ALLOWED_FLAGS to permit additional switches if the CLI evolves.