pip install repocrunch
repocrunch analyze fastapi/fastapi --pretty

uvx repocrunch analyze astral-sh/uv --pretty

git clone https://github.com/kimwwk/repocrunch.git
cd repocrunch
uv venv && uv pip install -e ".[all]"

uv pip install -e "."          # Library only (httpx + pydantic)
uv pip install -e ".[cli]"     # + CLI
uv pip install -e ".[api]"     # + REST API
uv pip install -e ".[mcp]"     # + MCP server
uv pip install -e ".[all]"     # Everything

export GITHUB_TOKEN=ghp_...

repocrunch analyze fastapi/fastapi --pretty          # Full analysis, pretty JSON
repocrunch analyze facebook/react -f tech_stack       # Single field
repocrunch analyze https://github.com/gin-gonic/gin   # Full URL works too
repocrunch serve                                       # Start REST API on :8000
repocrunch mcp                                         # Start MCP server (STDIO)

from repocrunch import analyze, analyze_sync

# Async
result = await analyze("fastapi/fastapi")

# Sync
result = analyze_sync("pallets/flask")

print(result.summary.stars)
print(result.tech_stack.framework)
print(result.model_dump_json(indent=2))

repocrunch serve

# Then:
curl "http://localhost:8000/analyze?repo=fastapi/fastapi" | python -m json.tool
curl "http://localhost:8000/health"
curl "http://localhost:8000/docs"    # OpenAPI docs

repocrunch mcp    # Starts STDIO transport

$ repocrunch analyze pallets/flask --pretty

{
  "schema_version": "1",
  "repo": "pallets/flask",
  "url": "https://github.com/pallets/flask",
  "analyzed_at": "2026-02-08T19:07:31Z",
  "summary": {
    "stars": 71143,
    "forks": 16697,
    "watchers": 2092,
    "last_commit": "2026-02-06T21:23:01Z",
    "age_days": 5787,
    "license": "BSD-3-Clause",
    "primary_language": "Python",
    "languages": { "Python": 99.9, "HTML": 0.1 }
  },
  "tech_stack": {
    "runtime": "Python",
    "framework": null,
    "package_manager": "pip",
    "dependencies": { "direct": 6, "dev": 0 },
    "key_deps": ["blinker", "click", "itsdangerous", "jinja2", "markupsafe", "werkzeug"]
  },
  "architecture": {
    "monorepo": false,
    "docker": false,
    "ci_cd": ["GitHub Actions"],
    "test_framework": "pytest",
    "has_tests": true
  },
  "health": {
    "open_issues": 2,
    "open_prs": 0,
    "contributors": 862,
    "commit_frequency": "daily",
    "maintenance_status": "actively_maintained"
  },
  "security": {
    "has_env_file": false,
    "dependabot_enabled": false,
    "branch_protection": false,
    "security_policy": false
  },
  "warnings": [
    "Branch protection status unknown (requires admin access or authenticated request)"
  ]
}