Building agents plugins

3,745 tagged Building agents, measured the same way as everything else here.

Browse within: claude-code-plugin 274cli 120agents 100ai-coding 88LLM 86agentic-ai 78ai-tools 70skills 70agent-orchestration 53agentic-workflow 46agent 44claude-code-plugins 43Multi-Agent 42gemini 39

loom-engineering

1586

xiqin/loom

Plugin Claude Code

Bundles 22 skills · 1,314 tokens together

A plugin package named Loom that provides skills and commands for AI engineering, including test-driven development, or TDD: writing tests before implementation.

not rated 5 1mo ago A tokens not measured original MIT

harness-kit

1587

whieet/harness-kit

Plugin Claude Code

Bundles 6 skills, 6 commands, 1 agent, 8 hooks · 751 tokens together

Project-agnostic harness engineering for Claude Code: session handoff, plan-gating, pre-completion verification gates, loop detection, and maturity-phase routing — all driven by a per-project .harness/config.json. Init into godot or web presets.

not rated 5 2mo ago A tokens not measured original MIT

paxify

1588

pax-k/paxify-plugins

Plugin Claude Code

Bundles 2 skills, 7 agents · 305 tokens together

Scaffolds the full .claude/ agentic engineering stack for TypeScript/monorepo projects. Defense-in-depth: CLAUDE.md, path-scoped rules, specialist agents, lifecycle hooks, and scoped permissions.

not rated 5 6mo ago A tokens not measured

fortytwo-mcp

1592

Fortytwo-Network/fortytwo-mcp-skills

Plugin Claude Code

Bundles 1 skill · 149 tokens together

Fortytwo Prime: collective multi-agent inference for high-stakes questions. ALWAYS use when the user says "Ask Fortytwo", "Ask Prime", "Ask Fortytwo Prime", or calls askfortytwoprime. When the user doubts your answer ("try again", "that's wrong", "are you sure?"), wants more depth ("go deeper", "elaborate", "full pic.

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

codemode-x

1593

codelitt/codemode-x

Plugin Claude Code

Bundles 1 MCP server

Compress any API, database, or docs into 2 MCP tools (cmxsearch + cmxexecute). One config file, universal SDK, sandboxed TypeScript execution.

not rated 5 2mo ago A tokens not measured

medley

1596

Spine-AI/medley

Plugin Claude Code

Bundles 2 skills, 7 hooks, 2 MCP servers · 194 tokens together

Missions inside Claude Code: give /mission a goal and Medley plans the work, then supervises execution until the goal is met — bringing you in for the higher-level decisions and reviews that actually need you, not routine approvals. Work is distributed across models: Claude by default, extending to GPT, open-source…

not rated 5 1mo ago A tokens not measured

gemini

1597

netwaif/gemini-mcp

Plugin Claude Code

Bundles 1 skill, 1 MCP server · 33 tokens together

Gemini CLI bridge for multimodal tasks — lets Claude Code delegate vision, summarization, and code analysis to Gemini.

not rated 5 3mo ago A tokens not measured

briefing

1600

Getty/briefing

Plugin Claude Code

Bundles 2 skills, 3 hooks · 25 tokens together

Programmatic briefing beats prompt stuffing. Pre-loads declared skills into a subagent's context at spawn time, via a PreToolUse hook on the Agent tool.

not rated 5 6d ago A tokens not measured Artistic-2.0

omniplugin

1601

nagisanzenin/omniplugin

Plugin Claude Code

Bundles 1 skill · 92 tokens together

The omni-platform plugin playbook, installable: gives your agent the doctrine, checklists, and per-platform crib sheets for building and porting plugins that run on Claude Code, Codex, OpenCode, Hermes, Antigravity, and more.

not rated 5 17d ago A tokens not measured original MIT

agency-os

1603

wesley248/agency-os-plugin

Plugin Claude Code

Bundles 25 skills · 2,209 tokens together

Agency Operating System — interview-driven Claude plugin that bootstraps a personalized agentic OS for service businesses (sales, delivery, marketing, ops personas plus daily workflows).

not rated 5 4mo ago A tokens not measured

split

1606

kamens/split-plugin

Plugin Claude Code

Bundles 1 skill · 38 tokens together

Split into multiple famous, opinionated personalities that debate each other before responding.

not rated 5 7mo ago A tokens not measured

feature-driven-flow

1608

QuasarByte/feature-driven-flow-claude

Plugin Claude Code

Bundles 4 skills, 19 commands · 410 tokens together

Feature-Driven-Flow (FDF): a structured 7-phase AI delivery framework for non-trivial feature development. Provides scoped intent, repository exploration, ambiguity resolution, design options, controlled implementation, assurance, and end-state reporting.

not rated 5 6mo ago A tokens not measured original MIT