Building agents

32,930 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

comparator

25

warpdotdev/warp

Agent

Compare two outputs WITHOUT knowing which skill produced them.

not rated 65k +56 2d ago A 0 tokens AGPL-3.0

claude-code-guide

26

asgeirtj/system_prompts_leaks

Agent

You are the Claude guide agent. Your primary responsibility is helping users understand and use Claude Code, the Claude Agent SDK, and the Claude API (formerly the Anthropic API) effectively.

not rated 64k +124 2d ago A 0 tokens original CC0-1.0

mvanhorn/last30days-skill

Instructions file GitHub Copilot

Copilot instructions for mvanhorn/last30days-skill, covering copilot-specific guidance, test generation, pull request reminders, vendor exclusion zone and ci expectations.

not rated 61k +516 2d ago A 260 tokens original MIT

bridge-check

28

diegosouzapw/OmniRoute

Command Claude Code

Exercise the isolated Claude-to-Devin agentic bridge.

not rated 60k +1.3k 2d ago A 10 tokens original MIT

orca CLAUDE.md

29

stablyai/orca

Instructions file

Claude Code instructions for stablyai/orca, a project described as: 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.

not rated 59k +2.1k 2d ago A 5 tokens copy · 100% MIT

crewAI AGENTS.md

30

crewAIInc/crewAI

Instructions file CodexOpenCode

AGENTS.md instructions for crewAIInc/crewAI, covering agent instructions for crewai oss, key guidelines, message content and changing docs.

not rated 58k +132 2d ago A 452 tokens original MIT

CherryHQ/cherry-studio

Plugin Claude Code

Bundles 7 skills · 528 tokens together

cherry-assistant-builtin. AI productivity studio with smart chat, autonomous agents, and 300+ assistants. Unified access to frontier LLMs.

not rated 51k +85 2d ago A tokens not measured AGPL-3.0

skill-creator

32

CherryHQ/cherry-studio

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 51k +85 2d ago A 64 tokens AGPL-3.0

grader

33

CherryHQ/cherry-studio

Agent

Evaluate expectations against an execution transcript and outputs.

not rated 51k +85 2d ago A 0 tokens AGPL-3.0

skill-creator

34

tldraw/tldraw

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 an AI agent's capabilities with specialized knowledge, workflows, or tool integrations.

not rated 50k today A 47 tokens

cli-anything-refine

35

HKUDS/CLI-Anything

Command

Refine an existing CLI-Anything harness to expand coverage and add missing capabilities.

not rated 49k +140 13d ago A 21 tokens original Apache-2.0

HKUDS/CLI-Anything

Cursor rule

CLI-Anything generator phase gates and absolute PLUGINROOT resolution. Apply when building, refining, testing, or validating CLI-Anything harnesses, editing agent-harness/, or using /cli-anything commands.

not rated 49k +140 13d ago A 0 tokens original Apache-2.0

agentic-workflows

37

moeru-ai/airi

Agent

GitHub Agentic Workflows (gh-aw) - Create, debug, and upgrade AI-powered workflows with intelligent prompt routing.

not rated 49k +102 2d ago A 24 tokens original MIT

moeru-ai/airi

Instructions file GitHub Copilot

Copilot instructions for moeru-ai/airi, covering copilot repository instructions, general rules, validation and output format.

not rated 49k +102 2d ago A 229 tokens original MIT

multica-ai/multica

Skill Claude CodeCodex

Use when creating, inspecting, or debugging a Multica agent definition via the multica agent CLI or POST /api/agents. Not for assigning issues to agents that already exist, and not for runtime task prompts.

not rated 49k +261 changed yesterday A 52 tokens

skill-creator

40

HKUDS/nanobot

Skill Claude CodeCodex

Create or update AgentSkills. Use when designing, structuring, or packaging skills with scripts, references, and assets.

not rated 48k +85 2d ago A 28 tokens original MIT

skill-creator

41

zhayujie/CowAgent

Skill Claude CodeCodex

Create, install, or update skills in the workspace. Use when (1) installing a skill from a URL or remote source, (2) creating a new skill from scratch, (3) updating or restructuring existing skills. Always use this skill for any skill installation or creation task.

not rated 47k +27 2d ago A 61 tokens original MIT

Agentic Workflows

42

cli/cli

Agent

GitHub Agentic Workflows (gh-aw) - Create, debug, and upgrade AI-powered workflows with intelligent prompt routing.

not rated 46k 6d ago A 30 tokens original MIT

SubagentStart

44

streamlit/streamlit

Hook Claude Code

One of 6 in settings.json

Runs when a subagent starts, executing log_agent_metrics.py via uv. From streamlit/streamlit.

not rated 46k +15 today A tokens not measured original Apache-2.0

heygen-com/hyperframes

Instructions file

Claude Code instructions for heygen-com/hyperframes, covering hyperframes, skills, creation workflows, domain skills (loaded on demand) and skill catalog maintenance.

not rated 44k +452 2d ago A 2,667 tokens original Apache-2.0

mcp-server

46

HeyPuter/puter

MCP server Claude CodeCodexCursor +2

Puter MCP enables AI tools to interact with Puter: manage files, websites, workers, and more. Remote server at mcp.puter.com.

not rated 43k 5d ago A tokens not measured AGPL-3.0

cursorrules

47

agno-agi/agno

Cursor rule Cursor

You are an expert in Python, Agno framework, and AI agent development.

not rated 42k +32 2d ago A 1,090 tokens original Apache-2.0

K-Dense-AI/scientific-agent-skills

Instructions file CodexOpenCode

AGENTS.md instructions for K-Dense-AI/scientific-agent-skills, covering repository guidance, what belongs here, layout, creating a skill and skill title.

not rated 42k +2.5k yesterday A 4,326 tokens original MIT

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: