Building agents

40,000 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.

adk-sample-creator

73

google/adk-go

Skill Claude CodeCodex ✓ vendor

Author or rework a runnable example under examples/ in the ADK Go repository — the directory, main.go, the README with its Mermaid diagram and real transcript, and the index row. Use when adding a sample for a feature (workflow graph, tool, registry client, model backend, server), when asked to "add an example" for…

not rated 8.9k +10 yesterday A Snyk: passSkillSpector: pass 94 tokens original Apache-2.0

capability-evolver

74

EvoMap/evolver

Skill Claude CodeCodex

A self-evolution engine for AI agents. Analyzes runtime history to identify improvements and applies protocol-constrained evolution. Communicates with EvoMap Hub via local Proxy mailbox.

not rated 8.7k +15 yesterday A 40 tokens GPL-3.0

meta-harness

75

unicity-aos/aos-ce

Skill Codex

Proactively improve an agent's user-space world on Unicity AOS. Use when work reveals a missing capability, recurring friction, useful memory or skill, context or harness improvement, platform integration, or an opportunity to learn from traces; decide whether to reuse, compose, configure, remember, create, or build…

not rated 8.5k +3 3d ago A SkillSpector: pass 74 tokens original Apache-2.0

skill-creator

76

rikkahub/rikkahub

Skill Claude CodeCodex

Create new Agent Skills or update existing ones. Use when the user wants to make a skill, turn a workflow, prompt, or set of instructions into a reusable skill, or improve a skill in /skills.

not rated 8.4k +179 today A 46 tokens AGPL-3.0

superpowers-zh

77

jnMetaCode/superpowers-zh

Plugin Claude Code

Bundles 21 skills, 1 hook · 952 tokens together

A Chinese-language plugin containing 20 AI coding skills, including translated and original workflows, for several coding-agent tools. Its listed topics include testing-driven development, debugging, and development practices.

not rated 8.4k +34 changed 4d ago A tokens not measured original MIT

tool-calling-tutor

78

WenyuChiou/awesome-agentic-ai-zh

Skill Claude Code

Use when a tool-calling agent does not call a tool, sends wrong arguments, loops without stopping, or needs a function schema. Guides a four-branch diagnosis and five-step schema repair. Do not use for framework-specific, MCP-server, or production-observability questions.

not rated 8.0k +256 yesterday A SkillSpector: pass 62 tokens original MIT

agent-squad-python

80

2FastLabs/agent-squad

Skill Claude CodeCodex

Use when building or modifying a Python app that uses the agent-squad Python package — async multi-agent orchestration for Python 3.11+: orchestrator, agents (BedrockLLMAgent, AnthropicAgent, OpenAIAgent, SupervisorAgent, GroundedAgent, ChainAgent, and more), classifier routing (Bedrock, Anthropic, OpenAI), storage…

not rated 7.8k +2 17d ago A SkillSpector: pass 113 tokens original Apache-2.0

refly

81

refly-ai/refly

Skill Claude CodeCodex

Base skill for Refly ecosystem: creates, discovers, and runs domain-specific skills bound to workflows. Routes user intent to matching domain skills via symlinks, delegates execution to Refly backend. Use when user asks to: create skills, run workflows, automate multi-step tasks, or manage pipelines. Triggers: refly…

not rated 7.5k +5 3d ago A SkillSpector: warn 94 tokens

star-office-ui

82

ringhyacinth/Star-Office-UI

Skill Claude CodeCodex

A setup tool for a visual pixel-art office dashboard where multiple coding agents can appear with their current status. It also supports viewing the dashboard on a phone and reaching it over the public internet.

not rated 7.5k +12 7mo ago A 40 tokens

codex-with-chatgpt

83

XiaoDuoYa/codex-with-chatgpt

Skill Claude CodeCodex

A connection that lets ChatGPT help plan and review coding work while Codex edits files, runs commands, tests code, and handles execution.

not rated 7.5k +71 changed 23d ago B SkillSpector: warn 90 tokens original MIT

magnitude

84

magnitudedev/magnitude

Skill Claude CodeCodex

Operate Magnitude local inference through its headless CLI, recommend hardware-fit local models, monitor acquisition and loading, and connect an agent harness. Use for Magnitude service, model, catalog, setup, or harness requests.

not rated 7.3k +162 changed 1mo ago A 47 tokens original Apache-2.0

swarms

85

kyegomez/swarms

Skill Claude CodeCodex

Build agents and multi-agent systems with the Swarms framework — the Agent class, tools, autonomous loops, memory, and the 15+ multi-agent architectures (SequentialWorkflow, ConcurrentWorkflow, GraphWorkflow, HierarchicalSwarm, SwarmRouter, and more). Use whenever writing, reviewing, or debugging code that imports…

not rated 7.3k +16 changed 4d ago A 73 tokens original Apache-2.0

gepa-ai/gepa

Plugin Claude Code

Bundles 1 skill · 206 tokens together

Optimize any scorable text artifact (prompts, code, configs, agent scaffolds, search solutions) with optimizeanything — one evaluator-driven API across the GEPA optimizer (reflective evolutionary search, the default), AutoResearch, and MetaHarness backends, with a best-of-N baseline for comparisons.

not rated 7.1k +97 2d ago A tokens not measured original MIT

plano-agent-skills

87

katanemo/plano

Skill Claude CodeCodex

Best practices for building agents and agentic applications with Plano, including configuration, routing, orchestration, guardrails, observability, and deployment.

not rated 7.1k +8 today A SkillSpector: pass 35 tokens original Apache-2.0

hana-plugin-creator

88

liliMozi/openhanako

Skill Codex

Create Hana plugin scaffolds and guide users through beginner or developer plugin planning, capability checks, manifest setup, runtime tools, WebView/iframe UI, Session/Agent APIs, model/media APIs, SDK templates, and install-ready plugin directories. Use when HanaAgent/Codex needs to explain what Hana plugins can do…

not rated 6.8k +36 today A SkillSpector: pass 107 tokens original Apache-2.0

workspace-dispatch

89

outsourc-e/hermes-workspace

Skill Claude CodeCodex

Single-agent mission orchestrator. Decomposes a mission into tasks, spawns one worker per task using the default model, verifies exit criteria, and chains tasks with retry. No critic pattern — each worker self-verifies. Simple, fast, works with any model config.

not rated 6.8k +22 yesterday A SkillSpector: warn 59 tokens original MIT

claude-plugin

90

uditgoenka/autoresearch

Plugin Claude Code

Bundles 5 hooks

Autonomous improvement engine. 14 commands: iterate, plan, debug, fix, security, ship, scenario, predict, learn, reason, probe, improve, evals, regression.

not rated 6.8k +172 2mo ago A tokens not measured original MIT

clawrouter

91

BlockRunAI/ClawRouter

Skill Claude CodeCodex

Hosted-gateway LLM router — save 84% on inference costs. A local proxy that forwards each request to the blockrun.ai gateway, which routes to the cheapest capable model across 90 models from OpenAI, Anthropic, Google, DeepSeek, xAI, Z.AI, and more. Free open-weight models included. Also exposes realtime market data…

not rated 6.6k +7 changed 3d ago A SkillSpector: warn 171 tokens original MIT

darwin-skill

92

alchaincyf/darwin-skill

Skill Claude Code

An automated workflow for evaluating and improving SKILL.md files, which are instruction files for coding-agent add-ons. It scores their structure and tests whether edits improve actual results.

not rated 6.6k +165 changed 1mo ago A 195 tokens original MIT

genkit-ai/genkit

Skill Claude CodeCodex needs its repo

Best practices for authoring Genkit tooling, including CLI commands and MCP server tools. Covers naming conventions, architectural patterns, and consistency guidelines.

not rated 6.5k +17 yesterday A SkillSpector: pass 35 tokens original Apache-2.0

create-ex

94

therealXiaomanChu/ex-skill

Skill Claude Code

A tool for turning an ex-partner’s messages, photos, and social posts into an AI skill with stored relationship memories and a conversational persona. It supports English and Chinese and can update the result with new information.

not rated 6.5k +39 6mo ago C 69 tokens original MIT

n8n-mcp-skills

95

czlonkowski/n8n-skills

Plugin Claude Code

Bundles 15 skills · 2,472 tokens together

Complete bundle: 14 expert skills for building flawless n8n workflows with the n8n-mcp MCP server — and deploying the self-hosted n8n that runs them (expression syntax, MCP tools usage, workflow patterns, validation, node configuration, JavaScript code, Python code, the AI-agent Custom Code Tool, production error…

not rated 6.5k +59 changed today A tokens not measured 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: