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10 picks · ranked by GitHub stars

Best agent skills for coding

The best agent skills for coding are Requesting Code Review, Improve Codebase Architecture and MCP Builder; Requesting Code Review leads with 306,774 GitHub stars.

The list covers 132 agent skills in the appsgit catalog, one entry per repository.

Updated · data from GitHub, refreshed daily

Top picks

  1. Rank 1:

    Requesting Code Review

    obra/superpowers

    Use when completing tasks, implementing major features, or before merging to verify work meets requirements.

    Active · last commit Oct 21, 2026

    CodingShell

    Stands out for the most GitHub stars. Requesting Code Review has 306,774 GitHub stars, has 262,649 installs on skills.sh and runs without an API key.

  2. Rank 2:

    Improve Codebase Architecture

    mattpocock/skills

    Scan a codebase for deepening opportunities, present them as a visual HTML report, then grill through whichever one you pick.

    Active · last commit Oct 27, 2026

    CodingShell

    Stands out for the most installs on skills.sh (1,167,664). Improve Codebase Architecture has 305,150 GitHub stars, has 1,167,664 installs on skills.sh and runs without an API key.

  3. Rank 3:

    MCP Builder

    anthropics/skills

    Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools.

    Maintained · last commit Oct 9, 2026

    OfficialCodingPython

    Stands out for being published by the vendor itself. MCP Builder has 184,344 GitHub stars, is published by the vendor itself, has 131,426 installs on skills.sh and runs without an API key.

At a glance

Agent skills for coding compared

Ranked by GitHub stars (installs on skills.sh break ties), at most one entry per repository so one project cannot fill the list.

Top 10 picks compared, data as of Oct 28, 2026
AppStands out forLicenseGitHub starsLast commitAPI key
Requesting Code Reviewthe most GitHub starsMIT306,774Oct 21, 2026Not needed
Improve Codebase Architecturethe most installs on skills.sh (1,167,664)MIT305,150Oct 27, 2026Not needed
MCP Builderbeing published by the vendor itselfApache-2.0184,344Oct 9, 2026Not needed
Ponytail Reviewrunning without an API keyMIT178,476Oct 18, 2026Not needed
X402a permissive MIT licenseMIT119,344Oct 26, 2026Needed
Safe Refactor–Apache-2.0115,623Oct 25, 2026Not needed
Code Review And Quality–MIT111,265Oct 13, 2026Not needed
Learn Codebase–Apache-2.0103,816Oct 28, 2026Not needed
Ruview CLI API–MIT100,454Oct 26, 2026Not needed
Archify–Apache-2.090,687Oct 28, 2026Not needed

Full ranking

All 10 picks, ranked

Ranked by GitHub stars (installs on skills.sh break ties), at most one entry per repository so one project cannot fill the list.

  1. 1

    Requesting Code Review

    Use when completing tasks, implementing major features, or before merging to verify work meets requirements.

    Stands out for the most GitHub stars. Requesting Code Review has 306,774 GitHub stars, has 262,649 installs on skills.sh and runs without an API key.

  2. 2

    Improve Codebase Architecture

    Scan a codebase for deepening opportunities, present them as a visual HTML report, then grill through whichever one you pick.

    Stands out for the most installs on skills.sh (1,167,664). Improve Codebase Architecture has 305,150 GitHub stars, has 1,167,664 installs on skills.sh and runs without an API key.

  3. 3

    MCP Builder

    Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools.

    Stands out for being published by the vendor itself. MCP Builder has 184,344 GitHub stars, is published by the vendor itself, has 131,426 installs on skills.sh and runs without an API key.

  4. 4

    Ponytail Review

    Quality review of a change: is the logic right, is it safe, does it hold under real load, is risky code tested, is it fast enough, and is every line needed.

    Stands out for running without an API key. Ponytail Review has 178,476 GitHub stars, has 588 installs on skills.sh and runs without an API key.

  5. 5

    X402

    Set up Browser Use Cloud payments with x402 — pay per request from a crypto wallet (USDC on Base mainnet), no signup or API key.

    Stands out for a permissive MIT license. X402 has 119,344 GitHub stars, is published by the vendor itself and needs an API key or token.

  6. 6

    Safe Refactor

    Restructure code while preserving behavior.

    Safe Refactor has 115,623 GitHub stars, has 105,479 installs on skills.sh and runs without an API key.

  7. 7

    Code Review And Quality

    Conducts multi-axis code review. Use before merging any change.

    Code Review And Quality has 111,265 GitHub stars, has 72,431 installs on skills.sh and runs without an API key.

  8. 8

    Learn Codebase

    Prime a codebase by reading every source file in full.

    Learn Codebase has 103,816 GitHub stars and runs without an API key.

  9. 9

    Ruview CLI API

    Use the RuView wifi-densepose CLI binary (incl.

    Ruview CLI API has 100,454 GitHub stars and runs without an API key.

  10. 10

    Archify

    Create validated architecture, workflow, sequence, data-flow, lifecycle/state, ERD, class, tree, timeline, and waterfall diagrams as explorable standalone HTML with dark/light themes, motion and…

    Archify has 90,687 GitHub stars, has 173,278 installs on skills.sh and runs without an API key.

FAQ

Questions and answers

Still curious? Email info@appsgit.com.

Do these agent skills need an API key?

1 of the 10 picks need an API key or token, for example X402; 9 run without one. Each page on appsgit lists the environment variables a agent skill expects.

Which coding agents work with these skills?

Claude Code (all), Codex (9 of 10), Cursor (7 of 10) and OpenCode (7 of 10). The client list comes from each project's published compatibility data; appsgit does not guess it.

Are any of these agent skills official?

Yes: MCP Builder and X402 are published by the vendor themselves.

How is this list ranked?

Ranked by GitHub stars (installs on skills.sh break ties), at most one entry per repository so one project cannot fill the list.

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