Building agents skills

23,478 tagged Building agents, measured the same way as everything else here.

Browse within: LLM 208agent 200agentic-ai 196agents 148skills 148openai 86antigravity 83agentic-workflow 79cli 75ai-skills 74agentic-framework 73Autonomous Agents 67ai-assistant 65agent-framework 59

agent-council-nudge

745

yogirk/agent-council

Skill Claude Code

Ambient awareness for Agent Council. Detects moments where convening a multi-model council would genuinely help and suggests the right command. Never interrupts. Never nags. Just a quiet tip at the right moment.

not rated 89 5mo ago A 48 tokens original MIT

claude-md-improver

746

mrclrchtr/supi

Skill Claude Code needs its repo

Audit and improve existing CLAUDE.md files across a repository. Use for a deliberate, repo-wide quality review—not to record learnings from the current session.

not rated 89 today A SkillSpector: warn 39 tokens original MIT

writing-skills

747

LayneChai/superpowers-dsh

Skill Claude CodeCodex

Use when creating new skills, editing existing skills, or verifying skills work before deployment.

not rated 88 +1 27d ago A 20 tokens

ck:team

748

manhvann/codexkit

Skill Claude CodeCodex

Orchestrate Agent Teams for parallel multi-session collaboration. Use for research, implementation, review, and debug workflows requiring independent teammates.

not rated 88 16d ago A SkillSpector: pass 30 tokens original MIT

handoff-codex

749

dazuiba/handoff

Skill Codex

A background handoff tool for asking Codex, an AI coding assistant, for difficult reasoning, a second opinion, or delegated tasks.

not rated 88 1mo ago A 67 tokens

workflow-creator

750

ray-amjad/claude-code-workflow-creator

Skill Claude CodeCodex

Author runnable workflow scripts for Claude Code's Workflow tool — deterministic multi-agent orchestration files that fan out fresh-context subagents under plain JavaScript control flow. Use this skill whenever the user wants to create, write, build, scaffold, design, or fix a workflow: "make a workflow", "create a…

not rated 88 +1 3mo ago A 218 tokens

pi-sub-agent

751

wquguru/skills

Skill Claude Code

A task-delegation skill that sends coding work to the pi coding agent, using either a cheaper fast model or a deeper reasoning model. It helps Claude assign the task, run it, retry timeouts, and judge the result.

not rated 88 1mo ago A 202 tokens

skill-creator

752

walidboulanouar/Ay-Skills

Skill Claude CodeCodex

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

not rated 88 6mo ago A 45 tokens

zby/commonplace

Skill Claude Code

Use when asked to analyse, review, or refresh an external agent runtime, orchestration system, agent operating layer, agent memory/knowledge/context-engineering system, or narrower model-dependent operational mechanism from inspectable sources.

not rated 88 changed 5d ago A 48 tokens CC-BY-4.0

reevesagents

754

mertkayacs/reevesagents

Skill Claude CodeCodex

Drive a team of other AI coding CLIs from the current session through the reevesagents MCP server. Use when the user asks to delegate work to another model, run several agents in parallel, or orchestrate a multi-agent team. It can spawn Claude Code, Codex, Kimi, Qwen, OpenCode and other installed CLIs each in its own…

not rated 88 3d ago A 115 tokens

project-setup

755

fltman/project-scaffolder

Skill Claude CodeCodex

Set up new Claude Code projects with CLAUDE.md, slash commands, and proper structure.

not rated 87 2mo ago A 22 tokens

hermes-dreaming

756

asimons81/hermes-dreaming

Skill Claude CodeCodex needs its repo

Use when Hermes needs staged self-improvement, explicit reviewable artifacts, or safe apply/discard workflows for memory, user, skill, or fact updates.

not rated 87 1mo ago A SkillSpector: pass 37 tokens original MIT

skillforge

757

mmlong818/skillforge

Skill Claude CodeCodex

Generate production-grade Agent Skill packages through a structured 7-step pipeline: requirement analysis, architecture decisions, metadata crafting, body generation, quality audit, resource file creation, and usage documentation. Use when creating new Skills from scratch, upgrading low-quality Skills, or…

not rated 87 +1 2mo ago A 79 tokens

skill-sunset

758

ooocooc/open-skill-sunset

Skill Codex needs its repo

Audit generic AGENTS.md, CLAUDE.md, and SKILL.md instructions for deterministic drift and model-era obsolescence candidates, then generate evidence-backed, reversible remediation prompts. Use when users ask to clean up, modernize, retire, or evaluate accumulated coding-agent instructions. Do not use it to…

not rated 87 13d ago A SkillSpector: warn 73 tokens original MIT

prompt-optimizer

759

Jamkris/everything-gemini-code

Skill Claude CodeCodex

Analyze raw prompts, identify intent and gaps, match ECC components (skills/commands/agents/hooks), and output a ready-to-paste optimized prompt. Advisory role only — never executes the task itself. TRIGGER when: user says "optimize prompt", "improve my prompt", "how to write a prompt for", "help me prompt", "rewrite…

not rated 87 +1 3mo ago A 179 tokens original MIT

skill-lab

760

runxhq/runx

Skill Claude CodeCodex

Canonical Runx skill-authoring implementation. Use for designing, creating, updating, improving, or adding harness coverage to a Runx skill package; it combines bounded agent judgment with native file writes, inspection, and safe harness validation. When a host skill-creator also triggers, use its general guidance but…

not rated 87 +3 today A SkillSpector: pass 72 tokens original Apache-2.0

openacme-platform

761

sandydasari/openacme

Skill Claude CodeCodex

How OpenAcme is laid out — data dir, agents, skills, MCP servers, tasks, memory, the peer-notes convention. Read this when the user asks you to manage their workforce, set up an agent, install a skill, configure an MCP server, or explain how the platform works.

not rated 86 +1 1mo ago A SkillSpector: warn 66 tokens original MIT

promptguard

762

mturac/promptguard

Skill Codex

Audit system prompts, agent prompts, router prompts, tool/function-call prompts, and coding-agent instructions as executable contracts. Use before writing or seeding prompts; blocks vague "fix this / write code" tasks missing ownership and verification. Works with Hermes, Claude Code, Codex, OpenCode, OpenClaw.

not rated 86 1mo ago A SkillSpector: pass 66 tokens original MIT

criar-skill

763

okjpg/skill-creator

Skill Claude CodeCodex

Cria um SKILL.md completo para Claude Code a partir de qualquer workflow, sessão executada ou ideia nova. Acionar quando o usuário pedir para criar, montar, construir ou salvar uma skill — mesmo que não use a palavra "skill". Triggers: "cria uma skill", "transforma isso em skill", "quero automatizar esse processo"…

not rated 86 +1 6mo ago A 174 tokens original MIT

user-defined-command

764

googlicius/obsidian-steward

Skill Claude CodeCodex

Create and edit Steward user-defined commands (UDCs). Use when the user wants to create, modify, or troubleshoot custom command workflows defined as YAML in the Steward/Commands folder.

not rated 85 +1 1mo ago A SkillSpector: warn 40 tokens original MIT

mcp-builder

765

duongthinh03/portfolio

Skill Claude CodeCodex

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).

not rated 85 2mo ago A 61 tokens

pi-skillopt

766

mitkox/SkillOpt

Skill Claude CodeCodex needs its repo

Use when: running SkillOpt, training a skill, evaluating a skill, using the local mitko model on port 8000, working with the dotnetdebug benchmark, adding a benchmark, adding a backend, or optimizing agent instructions with SkillOpt in this repository.

not rated 85 3mo ago A 59 tokens original MIT

skill-creator

767

Lyt060814/nanocode

Skill Claude CodeCodex

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 triggering accuracy.

not rated 84 +2 5mo ago A 64 tokens copy · 88% MIT

continuum-tools-mcp

768

shyftlabs/continuum

Skill Claude Code

Connect MCP servers (Stdio/SSE/StreamableHTTP) to a Continuum agent, configure tool filtering, set up tool-context capture/injection (e.g. sessionid), and read run artifacts (UI widgets, structured tool data). Invoke when the user asks "connect MCP", "filesystem tool", "remote API tool", "auto-capture sessionid"…

not rated 84 2d ago A SkillSpector: pass 94 tokens original Apache-2.0

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: