Beagle plugin
A skills marketplace for code review, docs, testing and git across Python, Go, Rust, Elixir, React and Swift.
- 88 ★ on the repository
- Last commit
Minimal access
Why this level
- The git skills create commits and pull requests in your repository when the agent is asked
Install
- Works in
Manual install
npx skills add existential-birds/beagleFor Claude Code: `claude plugin marketplace add https://github.com/existential-birds/beagle` and `claude plugin install beagle-core@existential-birds`.
Access and checks
How we reviewMinimal accessThe tool runs nothing and makes no network calls.
- The git skills create commits and pull requests in your repository when the agent is asked
This is third-party code. Review the repository files before installing.
What it does
Beagle is built as an Agent Skills marketplace: framework-aware code review, documentation, testing, architectural analysis and git workflows. Languages and stacks: Python, Go, Rust, Elixir, React, Remix v2 and iOS with Swift. Skills are split into plugins: `beagle-core` with shared workflows, verification and git, plus `beagle-python`, `beagle-go`, `beagle-elixir`, `beagle-ios`, `beagle-react` and others. The catalog has review (`review-python`, `review-go`, `review-llm-artifacts`), git (`commit-push`, `create-pr`, `gen-release-notes`, `fetch-pr-feedback`), documentation (`improve-doc`, `draft-docs`), planning (`write-adr`, `write-plan`, `quick-plan`) and testing (`gen-test-plan`, `run-test-plan`). The agent picks a skill itself, or one is run by name, for example `review-python`.
Who it is for. Teams that ask an agent to review Python, Go, Rust, Elixir, React or Swift code and handle git without manual prompting.
Good fit when
- A pull request with FastAPI and SQLAlchemy code must be checked against the stack rules.
- A commit, a pull request and release notes should go through in one chain.
- Reviewer comments on a pull request must be collected and worked through.
- An architecture decision is recorded as an ADR and a test plan runs through `run-test-plan`.
Not a fit when
- The project is in a language outside the list: Python, Go, Rust, Elixir, React, Remix v2 and Swift are covered.
- One small skill is wanted: the marketplace installs plugins as stack bundles.
- A browser test run is needed without extra tools: `run-test-plan` benefits from agent-browser.
Example request
Review this pull request with the review-python skill and prepare a reply to the reviewer comments.Limitations
For any agent with Agent Skills support install with `npx skills add existential-birds/beagle`, and Claude Code has a marketplace with stack plugins: `claude plugin install beagle-core@existential-birds`. Additional plugins such as `beagle-python` install separately. The `run-test-plan` skill uses the optional agent-browser. Codex has its own guide in `.codex/INSTALL.md`. If Claude Code reports a missing marketplace file, remove stale entries from `~/.claude/plugins/known_marketplaces.json`. The last commit is dated August 2026.
How to disable. Remove plugins with `claude plugin uninstall`, for example `beagle-core`, or `npx skills remove` for installed skills.
FAQ
How do I install it for any agent?
With `npx skills add existential-birds/beagle`: the installer downloads the skills and configures them for your agent.
How do I install it in Claude Code?
With `claude plugin marketplace add https://github.com/existential-birds/beagle` and `claude plugin install beagle-core@existential-birds`. Stack plugins install separately.
Which plugins are there?
`beagle-core`, `beagle-python`, `beagle-go`, `beagle-elixir`, `beagle-ios`, `beagle-react` and others. Each plugin lists its skills in its README, and the full catalog is in `SKILLS.md`.
How do I update it?
With `claude plugin marketplace update existential-birds` and `claude plugin update <plugin name>`.
What does it pair with?
With the Amelia project for agent workflows and Daydream for review, fix and test loops. Neither is required.
Discussion
No questions or reviews yet.
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README in short
Covers the marketplace contents, installation for any agent and for Claude Code, the plugins per stack and skill categories.