Building agents

38,013 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.

skill-creator

1009

OWWZO/ai-agent

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 118 today A 64 tokens

langgraph-fundamentals

1010

langchain-ai/skills-benchmarks

Skill Claude CodeCodex ✓ vendor

INVOKE THIS SKILL when writing ANY LangGraph code. Covers StateGraph, state schemas, nodes, edges, Command, Send, invoke, streaming, and error handling.

not rated 116 25d ago A SkillSpector: pass 43 tokens original MIT

deep-gemini

1011

VCnoC/Claude-Code-Zen-mcp-Skill-Work

Skill Claude CodeCodex

Deep technical documentation generation workflow using zen mcp's clink and docgen tools. First uses clink to launch gemini CLI in WSL for code analysis, then uses docgen for structured document generation with complexity analysis. Specializes in documents requiring deep understanding of code logic, model architecture…

not rated 116 8mo ago A 116 tokens original Apache-2.0

harness-24h

1012

thu-nmrc/OpenHarness

Skill Claude CodeCodex

A production-grade framework for long-running, autonomous agents based on Harness Engineering principles. Features three-layer self-healing memory, circuit breaker protection, KAIROS dream-mode consolidation, and multi-agent coordination. When a user describes a task idea, Agent automatically initializes the…

not rated 116 5mo ago A 76 tokens

skills

1015

sonilo-ai/skills

Plugin Claude Code

Bundles 12 skills · 961 tokens together

Agent Skills for Sonilo's licensed music, sound-effects, dubbing, and audio-ducking API — with structured-brief prompting guidance (pre-flight, music briefs, SFX action maps) folded into each skill.

not rated 114 8d ago A tokens not measured original MIT

clawd-control

1016

Temaki-AI/clawd-control

Skill Claude CodeCodex

Monitor and manage your Clawdbot agent fleet from within an agent. Query health, sessions, usage, and trigger actions via the Clawd Control dashboard API.

not rated 114 6mo ago A 37 tokens original MIT

mcp-developer

1017

leehack/mcp_dart

Skill Claude CodeCodex

Use when building, testing, debugging, or reviewing Model Context Protocol servers, clients, transports, tools, resources, prompts, and agent host configuration.

not rated 114 yesterday A SkillSpector: pass 35 tokens original MIT

skild

1018

Peiiii/skild

Skill Codex

Skill package manager for AI Agents — install, manage, and publish Agent Skills.

not rated 113 6mo ago A 19 tokens original MIT

easy-openclaw

1019

daheiai/easy-openclaw

Skill Claude CodeCodex

An interactive setup guide for OpenClaw, a configurable software tool. It walks through initial setup or later configuration improvements, with optional checks and recommendations.

not rated 113 6mo ago B 140 tokens

skill-builder

1020

metaskills/skill-builder

Skill Claude CodeCodex

Use this skill when creating new Claude Code skills from scratch, editing existing skills to improve their descriptions or structure, or converting Claude Code sub-agents to skills. This includes designing skill workflows, writing SKILL.md files, organizing supporting files with intention-revealing names, and…

not rated 113 +1 8mo ago A 66 tokens

biomaster-plan

1022

ai4nucleome/BioMaster

Agent Claude CodeOpenCode

Primary BioMaster agent. Collects goals, selects/reuses a project folder, routes through SQLite, generates PLAN.yaml, and coordinates workers.

not rated 113 +1 2mo ago A 33 tokens

the-ai-counsel-api

1023

jacob-bd/the-ai-counsel

Skill Claude CodeCodex

The AI Counsel — MCP-first (10 action-based tools) when The AI Counsel MCP server is connected; REST/curl fallback when MCP is unavailable, for cron scripts, or raw SSE. Triggers on "ask the council", "run a debate", "configure models", "run a deliberation", "check council health", "import relay-ai keys", "disconnect…

not rated 114 +2 changed 3d ago D 85 tokens original MIT

agenthub-python

1024

Prism-Shadow/agenthub

Skill Claude CodeCodex

Guidance for using the AgentHub Python SDK (agenthub-python). Use when developing agents that call different LLM APIs, need a unified interface for LLM providers, mention AgentHub, request agenthub-python, or already import it.

not rated 113 +1 today A SkillSpector: pass 53 tokens original Apache-2.0

cds-mcp

1025

cap-js/mcp-server

Plugin Claude Code

Bundles 2 MCP servers

Model Context Protocol (MCP) server for AI-assisted development of CAP applications.

not rated 112 +1 today A tokens not measured original Apache-2.0

cold-start-interview

1026

stakwork/stakgraph

Skill Claude Code

Run the cold-start interview — learns your AI governance practice and writes /.claude/plugins/config/claude-for-legal/ai-governance-legal/CLAUDE.md from your AI policy, a reference impact assessment, and key vendor AI agreements. Use when the practice profile is missing or contains [PLACEHOLDER] markers, or when user…

not rated 112 +3 yesterday A 98 tokens

hri

1027

terrense/ros2-multimodal-robot-collab

Skill Claude CodeCodex

Use this skill when an Agent needs to speak to the operator through TTS, interpret ASR text, request clarification, or confirm a robot delivery action.

not rated 111 18d ago A SkillSpector: pass 34 tokens original MIT

swarm

1028

cj-vana/claude-swarm

Skill Claude CodeCodex

Orchestrate parallel Claude Code worker swarms with protocol-based behavioral governance. Use for complex features, large refactors, or multi-step tasks. Supports behavioral constraints, parallel workers, and persistent state across context compactions.

not rated 111 +1 7mo ago D 47 tokens original MIT

corbits-marketplace

1029

moonpay/skills

Skill Claude CodeCodex

Paid API marketplace for AI agents via Corbits. Search hundreds of premium API proxies, call them with automatic USDC micropayments (x402 protocol), and fund the payment wallet with MoonPay. Use when the user wants to access paid data APIs (crypto prices, weather, financial data, etc.) with per-request billing and no…

not rated 111 2d ago A 76 tokens original MIT

sub-agents

1030

Toskysun/sub-agents

Plugin Claude Code

Bundles 2 commands, 28 agents · 1,131 tokens together

Universal AI agents collection for Claude Code - 28+ specialized agents with strict boundary enforcement, project-specific agent creation, and intelligent task routing.

not rated 111 8mo ago A tokens not measured original MIT

find-skills

1031

KimYx0207/findskill

Skill Claude CodeCodex

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 skill.

not rated 111 +2 1mo ago A SkillSpector: warn 67 tokens original MIT

kimix_api

1032

Sikao-Engine/KimiX

Skill Claude CodeCodex

Guide for using KimiX API utilities covering kimix, kimix.utils, kimix.base, kimix.dag, kimix.network, kimix.server, kimix.parser, kimix.tools, kimix.cot, kimix.retrieval, kimix.summarize, and kimiagentsdk.

not rated 111 +1 changed today A 67 tokens

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: