Claude Code Skills

Claude Agent SDK for Python alternatives

16 other tooling listed here. Claude Agent SDK for Python is open source.

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ccusage

Tooling

Usage and cost reports from Claude Code logs

Freeusagecost

Agent Skills Specification

Tooling

Specification and docs for Agent Skills

Open sourcespecificationagent-skills

CCManager

Tooling

Session manager for coding agent CLIs

Open sourcesessionsworktrees

ccstatusline

Tooling

Customizable status line for Claude Code CLI

Open sourcestatuslineterminal

Claude Code Action

Tooling

GitHub Action that runs Claude Code on PRs and issues

Open sourcegithub-actionsci

Claude Code Router

Tooling

Route Claude Code requests to other models

Open sourceroutingproxy

Claude Code Security Review

Tooling

GitHub Action for AI security review of PRs

Open sourcesecuritygithub-actions

Claude Code Usage Monitor

Tooling

Real-time terminal monitor for Claude Code usage

Open sourceusagemonitor

Claude Squad

Tooling

Manage several terminal agents at once

Open sourcetmuxworktrees

CloudCLI (Claude Code UI)

Tooling

Web and mobile UI for Claude Code sessions

Open sourceweb-uimobile

Happy

Tooling

Mobile and web client for Claude Code and Codex

Open sourcemobileremote

opcode

Tooling

Desktop app and toolkit for Claude Code

Open sourcedesktopgui

OpenSkills

Tooling

Universal skills loader for AI coding agents

Freeskillsinstaller

Skill Seekers

Tooling

Turn docs sites, repos and PDFs into Claude skills

Open sourceskill-generationdocumentation

skills CLI

Tooling

The open agent skills tool

Open sourceskillsinstaller

Vibe Kanban

Tooling

Kanban board for running coding agents in parallel

Open sourcekanbanorchestration