Coding assistants: tools for developers

Programming assistants, code generation tools and developer copilots. An entry can appear under several use cases when its topics or description provide several explicit signals.

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188 entries in this view.

Tool ranking

Ranked by known GitHub stars, highest first; archived repositories come after maintained repositories. Raw values keep their source-specific window, shown under each tool; a change requires at least two snapshots from the last 7 days.

  1. 1

    Agent
    Active

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

    githubmeasured growthOpen source ↗

    245 322GitHub stars+2 085 (+0.86 %)
  2. 2

    Agent
    Active

    The agent that grows with you

    githubmeasured growthOpen source ↗

    239 083GitHub stars+2 588 (+1.1 %)
  3. 3

    Other
    Active

    💫 Toolkit to help you get started with Spec-Driven Development

    githubmeasured growthOpen source ↗

    132 645GitHub stars+1 166 (+0.89 %)
  4. 4

    App
    Active

    A cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode, OpenClaw, Grok Build & Hermes Agent. Only official website: ccswitch.io

    githubmeasured growthOpen source ↗

    130 418GitHub stars+1 008 (+0.78 %)
  5. 5
    Active

    An AI skill that provides design intelligence for building professional UI/UX across multiple platforms.

    githubmeasured growthOpen source ↗

    123 589GitHub stars+2 616 (+2.2 %)
  6. 6

    Skill
    Active

    Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add DietrichGebert/ponytail

    118 561GitHub stars+7 319 (+6.6 %)
  7. 7

    Skill
    Active

    Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained, no vector store.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/Graphify-Labs/graphify ~/.claude/skills/graphify

    113 064GitHub stars+2 514 (+2.3 %)
  8. 8

    Other
    Active

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

    githubmeasured growthOpen source ↗

    102 068GitHub stars+1 097 (+1.1 %)
  9. 9

    Skill
    Active

    Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Codex, Gemini,…

    githubmeasured growthOpen source ↗

    Install /plugin marketplace add thedotmack/claude-mem

    92 786GitHub stars+938 (+1.0 %)
  10. 10

    Skill
    Active

    Production-grade engineering skills for AI coding agents.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/addyosmani/agent-skills ~/.claude/skills/agent-skills

    91 233GitHub stars+1 451 (+1.6 %)
  11. 11

    Agent
    Active

    Taste-Skill - gives your AI good taste. stops the AI from generating boring, generic slop

    githubmeasured growthOpen source ↗

    82 205GitHub stars+1 590 (+2.0 %)
  12. 12
    Active

    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.

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/Egonex-AI/Understand-Anything ~/.claude/skills/Understand-Anything

    81 110GitHub stars+603 (+0.75 %)
  13. 13

    CLI
    Active

    CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

    githubmeasured growthOpen source ↗

    78 098GitHub stars+671 (+0.87 %)
  14. 14

    Other
    Active

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

    githubmeasured growthOpen source ↗

    76 830GitHub stars+1 506 (+2.0 %)
  15. 15
    Active

    A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/ComposioHQ/awesome-claude-skills ~/.claude/skills/awesome-claude-skills

    74 083GitHub stars+836 (+1.1 %)
  16. 16
    Active

    omo/lazycodex: The coding agent for tokenmaxxers;the one and only agent harness for complex codebases. For your Codex, for your OpenCode

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/code-yeongyu/oh-my-openagent ~/.claude/skills/oh-my-openagent

    68 573GitHub stars+200 (+0.29 %)
  17. 17

    MCP
    Active

    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.

    githubmeasured growthOpen source ↗

    68 221GitHub stars+619 (+0.92 %)
  18. 18
    Active

    from vibe coding to agentic engineering - practice makes claude perfect

    githubmeasured growthOpen source ↗

    65 400GitHub stars+338 (+0.52 %)
  19. 19
    Active

    Extracted system prompts from Anthropic - Claude Fable 5, Opus 5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-5.6-Sol, Codex. Google - Gemini 3.5 Flash, 3.1 Pro, Antigravity. xAI - Grok, Cursor, Copilot, VS Code, Perplexity, and more.…

    githubmeasured growthOpen source ↗

    63 806GitHub stars+231 (+0.36 %)
  20. 20
    Active

    AI agent skill that researches any topic across Reddit, X, YouTube, HN, Polymarket, and the web - then synthesizes a grounded summary

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/mvanhorn/last30days-skill ~/.claude/skills/last30days-skill

    60 559GitHub stars+1 293 (+2.2 %)
  21. 21

    Agent
    Active

    Never stop coding. Free MIT AI gateway: one endpoint, 350 providers (90+ free), 1200+ models Kimi, Claude, GPT, Gemini, GLM, DeepSeek, MiniMax. Works with Claude Code, Codex, Cursor, OpenCode, Cline & Copilot. Quota-aware auto-fallback,…

    githubmeasured growthOpen source ↗

    58 715GitHub stars+3 424 (+6.2 %)
  22. 22

    Other
    Active

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

    githubmeasured growthOpen source ↗

    58 528GitHub stars+4 809 (+9.0 %)

Learning resources

Ranked by known GitHub stars, highest first; archived repositories come after maintained repositories. These resources remain available separately and do not take part in the main tool ranking.

  1. 1
    ActiveOpen source ↗

    Bash is all you need - A nano claude code–like 「agent harness」, built from 0 to 1

    githubResourcemeasured growth
    75 687GitHub stars+384 (+0.51 %)
  2. 2
    ActiveOpen source ↗

    🌊 The original agent meta-harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI systems. Features adaptive memory, self-learning intelligence, RAG integration, and native Claude Code /…

    githubResourcemeasured growth
    70 033GitHub stars+619 (+0.89 %)
  3. 3
    ActiveOpen source ↗

    A hand-picked collection of the finest of resources for the most awesome of agents, Claude Code, the undisputed champion of coding companions, from the unstoppable team at Anthropic PBC. A delectable showcase of top tier skills,…

    github

    Install git clone https://github.com/hesreallyhim/awesome-claude-code ~/.claude/skills/awesome-claude-code

    Resourcemeasured growth
    53 253GitHub stars+265 (+0.50 %)