Detect dead code, unused dependencies and exports with @knip/mcp

{
  "surface": "mcp.knip-mcp",
  "package": "@knip/mcp",
  "version": "0.0.32",
  "server": "Knip/0.0.32",
  "sdk": "@modelcontextprotocol/[email protected]",
  "protocol": "2024-11-05",
  "transport": "stdio",
  "launch": "node node_modules/@knip/mcp/src/cli.js",
  "tools": [
    {
      "name": "knip-run",
      "description": "Run Knip analysis on a project to find unused files, dependencies, exports, and types",
      "inputSchema": {
        "type": "object",
        "properties": {
          "cwd": {
            "type": "string",
            "description": "Working directory of the project to analyze"
          },
          "workspace": {
            "type": "array",
            "items": {
              "type": "string"
            },
            "description": "Workspace names to analyze (MUST be array, not string)"
          }
        }
      }
    },
    {
      "name": "knip-docs",
      "description": "Get Knip documentation by topic",
      "inputSchema": {
        "type": "object",
        "properties": {
          "topic": {
            "type": "string",
            "description": "Documentation topic (15 available)"
          }
        },
        "required": ["topic"]
      }
    }
  ],
  "tool_count": 2,
  "calls_ok": 12,
  "calls_total": 12,
  "success_rate": 1,
  "runs": 12,
  "p50_init_ms": 150,
  "p50_knip_run_ms": 30,
  "p50_knip_docs_ms": 2,
  "real_project_ms": 900,
  "docs_topics": ["getting-started", "understanding-knip", "configuration", "entry-files", "project-files", "handling-issues", "reference-jsdoc-tsdoc-tags", "auto-fix", "monorepos-and-workspaces", "compilers", "integrated-linters", "custom-reporters", "writing-a-plugin", "troubleshooting", "migration-guides"],
  "sample_call": {
    "tool": "knip-run",
    "args": {},
    "server_cwd": "/tmp/knip-test",
    "result_preview": "issues: [{type: 'unlisted', filePath: 'src/unused.js'}, {type: 'exports', filePath: 'src/utils.js', symbol: 'deadHelper'}, {type: 'exports', filePath: 'src/utils.js', symbol: 'unusedConst'}]"
  },
  "gotchas": ["workspace param must be array not string — ["."] not "."", "server cwd mode more accurate than cwd arg for export detection", "large projects without knip.json get maybeUnconfigured: true flag", "120+ framework plugins auto-detected (Next.js, Remix, Vite, etc.)"],
  "notes": "No credentials needed. Works in any JS/TS project with package.json. Complementary to ESLint — ESLint finds code quality issues, Knip finds structural dead code."
}