Open-source projects tagged “Claude Code”.

EC

ECC

MIT

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.11 projects#JavaScriptProjects tagged with this topic in the verified catalog.5 projectsPythonProjects tagged with this topic in the verified catalog.4 projectsai-agentsProjects tagged with this topic in the verified catalog.5 projectsAI-nativeThis project includes AI-native capability signals in the catalog metadata.11 AI-native projectsClaudeProprietary AI assistant from Anthropic.1 alternative

Alternatives toCClaudeCClaudeProprietary AI assistant from Anthropic.1 alternative+2

CA

Caveman

MIT

🪨 why use many token when few token do trick — Claude Code skill that cuts 65% of tokens by talking like caveman

AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.11 projects#JavaScriptProjects tagged with this topic in the verified catalog.5 projectsaiProjects tagged with this topic in the verified catalog.2 projectsanthropicProjects tagged with this topic in the verified catalog.4 projectsAI-nativeThis project includes AI-native capability signals in the catalog metadata.11 AI-native projectsGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives

Alternatives toGGitHub CopilotGGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives+2

AG

Agent Skills

MIT

Production-grade engineering skills for AI coding agents.

AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.11 projects#JavaScriptProjects tagged with this topic in the verified catalog.5 projectsagent-skillsProjects tagged with this topic in the verified catalog.1 projectantigravityProjects tagged with this topic in the verified catalog.1 projectAI-nativeThis project includes AI-native capability signals in the catalog metadata.11 AI-native projectsGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives

Alternatives toGGitHub CopilotGGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives+2

UN

Understand-Anything

MIT

Graphs that teach > graphs that impress. Turn any code into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.

AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.11 projects#TypeScriptProjects tagged with this topic in the verified catalog.4 projectsantigravity-skillsProjects tagged with this topic in the verified catalog.1 projectbusiness-knowledgeProjects tagged with this topic in the verified catalog.1 projectAI-nativeThis project includes AI-native capability signals in the catalog metadata.11 AI-native projectsGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives

Alternatives toGGitHub CopilotGGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives+2

HE

headroom

Apache-2.0

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.11 projects#PythonProjects tagged with this topic in the verified catalog.4 projectsagentProjects tagged with this topic in the verified catalog.2 projectsaiProjects tagged with this topic in the verified catalog.2 projectsAI-nativeThis project includes AI-native capability signals in the catalog metadata.11 AI-native projectsGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives

Alternatives toGGitHub CopilotGGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives+2

AG

Agent-Reach

MIT

Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu — one CLI, zero API fees.

AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.11 projects#PythonProjects tagged with this topic in the verified catalog.4 projectsagent-infrastructureProjects tagged with this topic in the verified catalog.1 projectai-agentProjects tagged with this topic in the verified catalog.1 projectAI-nativeThis project includes AI-native capability signals in the catalog metadata.11 AI-native projectsGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives

Alternatives toGGitHub CopilotGGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives+2

AN

Anthropic-Cybersecurity-Skills

Apache-2.0

817 structured cybersecurity skills for AI agents · Mapped to 6 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF & MITRE F3 (Fight Fraud) · agentskills.io standard · Works with Claude Code, GitHub

AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.11 projects#PythonProjects tagged with this topic in the verified catalog.4 projectsai-agentsProjects tagged with this topic in the verified catalog.5 projectsclaude-codeProjects tagged with this topic in the verified catalog.12 projectsAI-nativeThis project includes AI-native capability signals in the catalog metadata.11 AI-native projectsGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives

Alternatives toGGitHub CopilotGGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives+2

9R

9Router

MIT

Unlimited FREE AI coding. Connect Claude Code, Codex, Cursor, Cline, Copilot, Antigravity to FREE Claude/GPT/Gemini via 40+ providers. Auto-fallback, RTK -40% tokens, never hit limits.

AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.11 projects#JavaScriptProjects tagged with this topic in the verified catalog.5 projectsai-agentsProjects tagged with this topic in the verified catalog.5 projectsai-gatewayProjects tagged with this topic in the verified catalog.1 projectAI-nativeThis project includes AI-native capability signals in the catalog metadata.11 AI-native projectsGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives

Alternatives toGGitHub CopilotGGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives+2

OR

Orca

MIT

Orca is the ADE for working with a fleet of parallel agents. Run any coding agent with your own subscription. Available on desktop and mobile.

AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.11 projects#TypeScriptProjects tagged with this topic in the verified catalog.4 projectsGithub ActionsProjects tagged with this topic in the verified catalog.1 projectJavaScriptProjects tagged with this topic in the verified catalog.5 projectsAI-nativeThis project includes AI-native capability signals in the catalog metadata.11 AI-native projectsWarpProprietary modern terminal for developers.1 alternative

Alternatives toWWarpWWarpProprietary modern terminal for developers.1 alternative+5

CL

Claude Context

MIT

Code search MCP for Claude Code. Make entire codebase the context for any coding agent.

AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.11 projects#TypeScriptProjects tagged with this topic in the verified catalog.4 projectsagentProjects tagged with this topic in the verified catalog.2 projectsagentic-ragProjects tagged with this topic in the verified catalog.1 projectAI-nativeThis project includes AI-native capability signals in the catalog metadata.11 AI-native projectsGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives

Alternatives toGGitHub CopilotGGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives+2

PA

Parallel Code

MIT

Run Claude Code, Codex, and Gemini side by side — each in its own git worktree

AI & Machine LearningOpen-source projects grouped in this category for discovery and comparison.11 projects#TypeScriptProjects tagged with this topic in the verified catalog.4 projectsai-agentsProjects tagged with this topic in the verified catalog.5 projectsai-codingProjects tagged with this topic in the verified catalog.2 projectsAI-nativeThis project includes AI-native capability signals in the catalog metadata.11 AI-native projectsGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives

Alternatives toGGitHub CopilotGGitHub CopilotProprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, reposit…3 alternatives+2