claudecodex

agent-toolkit

Reviewed third-party skills for building and running AI agents.

5 on GitHubby Firstsun Devv1.0.0updated 1 month agodeveloper
/

Plugin agent-toolkit from marketplace firstsun-external in firstsun-dev/skills. Commands read from the repo's manifest — 1 month ago.

What it installs

Skills (13)

  • brainstorming

    You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior. Explores user intent, requirements and design before implementation.

  • critical-thinking-logical-reasoning

    Critically analyse the reasoning in written content (articles, blogs, transcripts, reports), not code. Use only when explicitly asked to critically analyse or critique an argument.

  • running-decision-processes

    Help users run effective decision-making processes. Use when someone is facing a high-stakes decision, dealing with analysis paralysis, needs to align stakeholders on a choice, or wants to establish decision frameworks like DACI or RAPID.

  • documentation-writer

    Diátaxis Documentation Expert. An expert technical writer specializing in creating high-quality software documentation, guided by the principles and structure of the Diátaxis technical documentation authoring framework.

  • find-skills

    Helps users discover and install agent skills when they ask questions like "how do I do X", "find a skill for X", "is there a skill that can...", or express interest in extending capabilities. This skill should be used when the user is looking for functionality that might exist as an installable ski

  • firecrawl-search

    Web search with full page content. Use when no URL is known: finding sources, articles, or news. For papers use firecrawl-research-index; for library, API, error, or bug questions use firecrawl-developer-index. - Bash(firecrawl *) - Bash(npx firecrawl-cli *)

  • FirstPrinciples

    Physics-based reasoning framework (Musk/Elon methodology) that deconstructs problems to irreducible fundamental truths rather than reasoning by analogy. Three-step structure: DECONSTRUCT (break to constituent parts and actual values), CHALLENGE (classify every element as hard constraint / soft const

  • full-output-enforcement

    Overrides default LLM truncation behavior. Enforces complete code generation, bans placeholder patterns, and handles token-limit splits cleanly. Apply to any task requiring exhaustive, unabridged output.

  • learning-coach

    Master evidence-based study techniques including active recall, spaced repetition, deliberate practice, and accelerated learning. Build efficient learning systems that maximize retention and skill acquisition.

  • skill-creator

    Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better t

  • subagent-creator

    Guide for creating AI subagents with isolated context for complex multi-step workflows. Use when users want to create a subagent, specialized agent, verifier, debugger, or orchestrator that requires isolated context and deep specialization. Works with any agent that supports subagent delegation. Tri

  • subagent-driven-development

    Use when executing implementation plans with independent tasks in the current session

  • validate-skills

    Validates skills in this repo against agentskills.io spec and Claude Code best practices. Use via /validate-skills command.

View source on GitHub

More from firstsun-dev/skills

All 7 plugins →

Curated third-party skills for shipping and operating software.

16 skills

5

visual-content

claudecodex

Reviewed third-party skills for video and visual content creation.

10 skills

5

health-wellness

claudecodex

Reviewed third-party skills for general health and wellness education. Not medical care.

7 skills

5

Curated third-party skills for career growth and everyday productivity.

5 skills

5

Similar plugins

superpowers

claudecodex

Core skills library for Claude Code: TDD, debugging, collaboration patterns, and proven techniques

15 skills · hooks

obra/superpowers 316,836

context7

claudecodex

Up-to-date documentation lookup. Pull version-specific documentation and code examples directly from source repositories into your coding agent's context.

1 MCP server

upstash/context7 64,709

Build powerful, stateful CLI interfaces for any GUI application using the cli-anything harness methodology.

5 commands

HKUDS/CLI-Anything 58,665

Automates browser interactions for web testing, form filling, screenshots, and data extraction

12 skills

vercel-labs/agent-browser 50,373

Use Alibaba Open Code Review from local Codex.

2 skills

alibaba/open-code-review 50,068

slidev

claude

Claude Code skill for creating and presenting Slidev slidedecks

1 skill

slidevjs/slidev 49,452

Maintain agent-toolkit?

This page updates itself from your repo. Add the badge to your README, or get it Featured to pin it above the organic results with a followed link to your site.

claude & codex plugins7 plugins