Building agents

35,865 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.

task-observer

169

rebelytics/one-skill-to-rule-them-all

Skill Claude CodeCodex

Monitors task execution for skill improvement opportunities. Use during ANY multi-step task, agentic workflow, or work session where the agent uses tools and produces deliverables. Captures patterns, user corrections, workflow insights, and methodology worth preserving as reusable skills. Also triggers in post-task…

not rated 2.3k 7d ago A 193 tokens CC-BY-4.0

jnMetaCode/agency-orchestrator

Instructions file

Instructions for jnMetaCode/agency-orchestrator, covering agency orchestrator — project context, key commands, community templates (remote manifest), release pipeline (all automatic) and skills (methodology playbooks).

not rated 2.2k 5d ago A 6,566 tokens original Apache-2.0

claude-code-dev

171

Leanmcp/superview.sh

Skill Claude CodeCodex

How to develop, modify, and extend the Claude Code codebase following its established programming style, patterns, and conventions. Use this skill whenever working on the claude-code source — adding tools, commands, utils, components, types, hooks, services, or fixing bugs. Also use when the user asks about…

not rated 2.1k +1 5mo ago A 101 tokens original MIT

renatoasse/opensquad

Skill Claude CodeCodex

Create new Opensquad skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill for their squads, update or optimize an existing skill, run evals to test a skill, or benchmark skill performance. Supports all Opensquad skill types: MCP integrations, custom scripts…

not rated 2.1k +7 4mo ago A 0 tokens

toolhive-cli-user

173

stacklok/toolhive

Skill Claude CodeCodex

Guide for using ToolHive CLI (thv) to run and manage MCP servers and skills. Use when running, listing, stopping, building, or configuring MCP servers locally. Covers server lifecycle, registry browsing, secrets management, client registration, groups, container builds, exports, permissions, network isolation…

not rated 2.1k +10 today A 98 tokens original Apache-2.0

Web2Skill

174

zhimaAi/chatwiki

Skill Claude CodeCodex

Convert one public website URL or an explicit batch of public URLs into a reusable skill zip backed by rendered HTML snapshots and a bounded JSONL retrieval index. Use to discover a documentation directory from one URL, crawl a supplied URL set sequentially, generate a source profile, or package indexed web content as…

not rated 2.1k +2 7d ago A 67 tokens

tbench

175

coder/xum

Skill Claude CodeCodex

Terminal-Bench integration for Xum agent benchmarking and failure analysis.

not rated 2.0k +6 2d ago A 15 tokens AGPL-3.0

dynamic-workflow

176

pchalasani/claude-code-tools

Skill Claude CodeCodex

Create, review, run, inspect, pause, resume, and cancel durable JavaScript workflows that coordinate multiple headless Codex agents. Use for dynamic fan-out and fan-in, per-item analysis, multi-stage agent pipelines, loops or branches driven by worker results, long background runs, and ports of Claude Code dynamic…

not rated 2.0k +3 5d ago A 86 tokens original MIT

agent-mode

177

PhyAgentOS/PhyAgentOS-core

Skill Claude CodeCodex

Unified tool for managing agent LLM modes (add, remove, update, list, switch).

not rated 2.0k +73 4d ago A 22 tokens original MIT

nooa-agent-authoring

179

NVIDIA-NeMo/labs-OO-Agents

Skill Claude CodeCodex

Author agents with NVIDIA-labs Object Oriented Agents (NOOA). Use when writing or modifying an Agent subclass, agentic methods (ellipsis bodies), docstring prompts, structured output contracts, strategy selection (CodeAct/Predict), visibility control, orchestrators, or subagent composition.

not rated 2.0k +38 2d ago A 0 tokens

harbor

180

AntigmaLabs/ante

Skill Claude CodeCodex

Run Terminal-Bench or any Harbor dataset with Ante as the agent, using the Harbor adapter in the ante repo's ante-harbor/ directory. Use when the user wants to benchmark Ante on Harbor or reproduce Ante's published eval results.

not rated 1.9k +3 3d ago A 51 tokens original Apache-2.0

silvertakana/worldwideview

Skill Claude CodeCodex

Use when creating a new plugin, adding a new data source, or debugging missing plugin data in the WorldWideView project. Triggers on seeder creation, WebSocket streaming issues, plugin registration failures, manifest validation errors, GeoEntity rendering problems, or data engine integration.

not rated 1.9k +6 2d ago A 61 tokens

open-ralph-wiggum

183

Th0rgal/open-ralph-wiggum

Skill Claude CodeCodex

Use this skill whenever a user wants to run, install, configure, or understand open-ralph-wiggum (ralph). This skill can be used by any AI assistant or IDE agent (GitHub Copilot, Claude Code, Cursor, Windsurf, etc.). Triggers on: "ralph", "ralph wiggum", "agentic loop", "iterative AI loop", "autonomous coding loop"…

not rated 1.9k 3mo ago C 225 tokens original MIT

skill-evolve

184

yologdev/yoyo-evolve

Skill Claude CodeCodex

Refine, create, or retire your own skills based on recurring patterns from past sessions.

not rated 1.9k +2 2d ago A 21 tokens original MIT

NousResearch/hermes-paperclip-adapter

Instructions file CodexOpenCode

Instructions for NousResearch/hermes-paperclip-adapter, covering hermes paperclip adapter — development guide, structure, key interfaces, build and testing against a local paperclip instance.

not rated 1.9k +7 5mo ago A 403 tokens original MIT

AgentsMeetRL

186

thinkwee/AgentsMeetRL

Plugin Claude Code

Bundles 1 skill · 220 tokens together

Troubleshooter + machine-readable corpus for reinforcement-learning training, evaluation, and experiment design on LLM agents (single/multi-agent, multi-turn, tool-augmented). Distilled from the AgentsMeetRL awesome list (355 projects).

not rated 1.8k +13 7d ago A tokens not measured

jordan-gibbs/hyperresearch

Agent

Use this agent in Layer 3 of the hyperresearch deep research pipeline. Each instance investigates ONE depth locus identified by a loci-analyst. The agent reads existing vault sources relevant to the locus, fetches new sources as needed (via the hyperresearch-fetcher subagent), and writes ONE interim report note…

not rated 1.8k +13 1mo ago A 99 tokens original MIT

zeroshot CLAUDE.md

188

the-open-engine/zeroshot

Instructions file

Claude Code instructions for the-open-engine/zeroshot, covering zeroshot: multi-agent coordination engine, 🔴 critical rules, 🔴 general purpose requirement (critical), 🔴 behavioral standards and where to look.

not rated 1.8k +10 yesterday A 6,104 tokens original MIT

Jedward23/Tmux-Orchestrator

Instructions file

Claude Code instructions for Jedward23/Tmux-Orchestrator, covering claude.md - tmux orchestrator project knowledge base, project overview, agent system architecture, orchestrator role and agent hierarchy.

not rated 1.8k 1y ago A 5,873 tokens

trpc-group/trpc-agent-go

Instructions file CodexOpenCode

AGENTS.md instructions for trpc-group/trpc-agent-go, covering agents.md, project overview, engineering principles, go design conventions and implementation workflow.

not rated 1.8k +8 yesterday A 1,602 tokens original Apache-2.0

a5c-ai/babysitter

Skill Claude CodeCodex

This skill should be used when the user asks to "find skills in the wild", "assimilate popular workflows", "discover SKILL.md files in repos", "research external skills", "find workflow patterns", "survey the skill landscape", "what skills exist out there", or wants to investigate public repositories for extractable…

not rated 1.8k +9 yesterday A 110 tokens original MIT

composio

192

elie222/rakazo

Skill Claude CodeCodex

Route and complete Composio work across Composio For You and Composio Platform. Use when the user mentions Composio; wants an agent to use apps such as Gmail, Slack, GitHub, Notion, Calendar, or Linear; needs first-time setup, an SDK or MCP integration, CLI operation, migration guidance, current documentation, or help…

not rated 1.9k +161 yesterday A 84 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: