Building agents

38,381 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.

l123-harness

4777

reatcat/l123-harness

Plugin Claude Code

Bundles 4 skills, 6 hooks · 267 tokens together

A project structure for keeping an AI agent’s memory outside the model in three layers: persistent notes, an index, and detailed records. It also provides templates, approval controls, event logs, context-saving procedures, and weekly review tools.

not rated 4 27d ago A tokens not measured original MIT

review-loop

4778

2dmurali/review-loop-skill

Skill Claude CodeCodex

Iterative worker-reviewer cycle that spawns a critic subagent to score work 1-10 and provide actionable feedback, then revises until a quality gate is met. Use when implementing features, writing specs, reviewing existing code, or completing any task where quality matters more than speed. Trigger phrases: "use…

not rated 4 +1 4mo ago A Socket: passSnyk: pass 89 tokens

harness-map

4780

dreamiurg/harness-map

Plugin Claude Code

Bundles 1 skill · 110 tokens together

Generate an interactive HTML dependency map of your AI harness: skills, slash commands, subagents, and MCP servers with typed, evidence-backed edges for architecture auditing and documentation.

not rated 4 3d ago A tokens not measured original MIT

peer-agent

4781

panbergco/pi-peer-agent

Skill Claude CodeCodex

Manage resident peer agents: long-running monitors that live inside the pi session, tick on minute intervals, watch the main agent's work, and push findings back mid-turn. Use when the user asks to launch/stop/ask a peer, watcher, monitor, observer, sentinel, or auditor; wants standing review, drift/scope watching…

not rated 4 +1 13d ago B 124 tokens

managing-skills

4782

sernst/skills

Skill Codex

Manage reusable agent skills with the installed skill-manager CLI. Invoke only when the user explicitly asks to "manage skills" or clearly asks for help managing their agent skills, or when the user invokes $managing-skills. Do not invoke for requests that merely mention a skill or independently ask to install…

not rated 4 +1 yesterday A 79 tokens original Apache-2.0

ai-gateway

4783

Azure/ai-gateway

Plugin Claude Code ✓ vendor

Bundles 1 skill, 2 commands · 110 tokens together

Discover the models and MCP tool servers registered in an AI Gateway and integrate them into any application — call a model over the OpenAI-compatible passthrough, connect MCP tools, or scaffold a runnable agent. Read-only against the gateway — consumption only.

not rated 4 +1 2d ago A tokens not measured original MIT

skill-writer

4784

canonical/charm-tech

Skill Claude Code ✓ vendor

Author, structure, and validate an agent skill. Use when creating a new SKILL.md, substantially rewriting an existing one, deciding what to bundle as scripts vs references, or importing an external skill. Covers frontmatter, body structure, depth gates (when to split a skill), the script-vs-checklist decision…

not rated 4 +2 1mo ago A 78 tokens original Apache-2.0

agents-best-practices

4785

KirillSachkov/sachkov-stack

Skill Claude CodeCodex

Use this skill when designing, generating an MVP blueprint for, auditing, refactoring, or explaining an agentic harness for any domain. Covers provider-neutral agent architecture for OpenAI, Anthropic, and OpenAI-compatible APIs: agent loops, tool design, permissions, system prompts, planning, goals, context…

not rated 4 +1 1mo ago A 99 tokens original MIT

shan8065/novel-writing-agent-platform

Skill Claude CodeCodex

A coordinator for AI-assisted novel writing that connects tools for handling source material, characters, story settings, drafting, continuation, and consistency checks.

not rated 4 +1 5mo ago A 47 tokens original MIT

syntx-ai-mcp-usage

4787

ssm82/syntx-ai-mcp

Skill Claude CodeCodex

Operates the syntx.ai MCP tools (chat, ask, stream-message, files, design, audio, video, folders, auth, model catalog). Use when calling syntx-ai-mcp tools and the JSON schema alone is insufficient — long prompts that exceed the default ask timeout, model identifier selection, chat lifecycle (create / continue /…

not rated 4 +1 1mo ago A 101 tokens original MIT

mcp

4788

Perssua/perssua-mcp

MCP server Claude CodeCodexCursor +2

Official Perssua MCP server — lets Claude, ChatGPT, Grok and other MCP clients start Perssua sessions with a configured assistant and context. Runs locally from the @perssua/mcp npm package.

not rated 4 4d ago A tokens not measured original MIT

agent-inbox

4789

salimfadhley/agent-inbox

MCP server Claude CodeCodexCursor +2

A SQLite mailbox for local LLM agents — one HTTP API, an ActivityStreams messaging model, and a local stdio MCP server so AI coding agents can message each other. No external services. Runs locally from the agent-inbox Python package.

not rated 4 +1 yesterday A tokens not measured GPL-3.0

map-token-context

4790

hakiyaka/capsule

Skill Codex

Compile branching decisions outside model generation, route virtualized specialist skills, and minimize model input/output across tools, files, history, images, subagents, search, and recall. Use for token-heavy or reasoning-heavy work or reversible skill-vault management.

not rated 4 +1 11d ago A 54 tokens original MIT

personal-whatsapp-mcp

4791

Gnaneshdivi/personal-whatsapp-mcp

MCP server Claude CodeCodexCursor +2

Self-hosted WhatsApp MCP server: connect your personal WhatsApp number to Claude, ChatGPT or any LLM, with a web UI and configurable auto-reply. Runs locally from the personal-whatsapp-mcp Python package.

not rated 4 +1 23d ago A tokens not measured original MIT

iris-ai

4792

jordanaftermidnight/IRIS_project

MCP server Claude CodeCodexCursor +2

Run Iris AI Agent Workspace locally with a single command. Runs locally from the iris-ai npm package.

not rated 4 2mo ago A tokens not measured original MIT

skill-porter

4793

AcidicSoil/skill-porter

Plugin Claude Code

Bundles 4 skills · 116 tokens together

Converts Claude Code skills to Gemini CLI extensions and vice versa. Use when the user wants to make a skill cross-platform compatible, port a skill between platforms, or create a universal extension that works on both Claude Code and Gemini CLI.

not rated 4 5mo ago A tokens not measured original MIT

gse-orchestrator

4795

nicolasguelfi/gensem

Cursor rule Cursor

GSE-One methodology — 16 core principles, state management, orchestration decision tree. This is the agent's permanent identity.

not rated 4 2mo ago A 16,548 tokens

jaw-dev-pabcd

4797

lidge-jun/cli-jaw-skills

Skill Claude CodeCodex

A guide for coordinating multi-phase command-line development workflows, including checkpoints, interviews, goals, and attestations.

not rated 4 8d ago A 118 tokens

hipson-workflow

4798

Hipson47/Hipson

Skill Claude CodeCodex

Use for structured Codex development workflows with Architect, Executor, and Reviewer roles, especially repo scans, task packets, review reports, verification, and two-Codex handoffs.

not rated 4 2mo ago A 41 tokens original Apache-2.0

kinhluan-skills

4799

kinhluan/skills

Plugin Claude Code

Bundles 61 skills · 2,879 tokens together

Stop guessing why your team is slow. These 30+ skills give Claude the frameworks to diagnose delivery (DORA), design for domains (DDD), map architecture honestly (C4), and track whether your releases actually spread (Rogers Diffusion). One install. Use whichever skill fits the conversation.

not rated 4 22d ago A tokens not measured original MIT

autonomous-loops

4800

arbisoft/ai-skillforge

Skill Claude CodeCodex

Patterns and architectures for autonomous Claude Code loops — from simple sequential pipelines to RFC-driven multi-agent DAG systems.

not rated 4 1mo ago A 26 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: