---
title: "Agent Tooling Agent Plugins, page 4 of 7"
description: "Plugins that build, inspect, or extend AI agents themselves: MCP server builders, skill and plugin authoring kits, memory and context management, prompt engineering, agent evaluation and observability."
canonical: https://agentpluginsdirectory.com/categories/agent-tooling/page/4
last-updated: 2026-10-08
---

# Agent Tooling Agent Plugins, page 4 of 7

Plugins that build, inspect, or extend AI agents themselves: MCP server builders, skill and plugin authoring kits, memory and context management, prompt engineering, agent evaluation and observability.

| Name | Description | Repo |
| --- | --- | --- |
| [agent-craft](https://agentpluginsdirectory.com/plugins/agent-craft) | Build agents and their interfaces: write prompts, skills, and MCP servers, delegate across subagents, enforce output schemas, and use separately connected Agent Memory. | opspresso/agent-plugins |
| [agent-design-tools](https://agentpluginsdirectory.com/plugins/agent-design-tools) | Skills for designing, reviewing, and improving model-facing instructions and agent workflows. | peaceroad/ai-dotfiles |
| [agent-doctor](https://agentpluginsdirectory.com/plugins/agent-doctor) | Inspect agent settings, plugin structure and prompts, and plugin and skill usage in local Codex and Claude Code sessions. | letsrokk/agent-plugins |
| [agent-launcher](https://agentpluginsdirectory.com/plugins/agent-launcher) | Create one verified coding-agent session through the agents wrapper and Herdr. Orchestrate consumes this shared launch surface. | infiquetra/infiquetra-agent-plugins |
| [agent-platform](https://agentpluginsdirectory.com/plugins/agent-platform) | Rewrite instructions with Agent STE, create agent definitions, and orchestrate multi-agent pipelines. | dasobral/skills |
| [agent-platform-skills](https://agentpluginsdirectory.com/plugins/agent-platform-skills--alanblythe) | Field notes for building on Gemini Enterprise Agent Platform: ADK vs A2A registration, A2UI rendering, Agent Identity, Agent Gateway, what crosses an agent-to-agent hop, and where state lives across Sessions and Memory Bank. | alanblythe/agent-platform-skills |
| [agent-plugin-builder](https://agentpluginsdirectory.com/plugins/agent-plugin-builder--pproenca) | Authoring and conformance tooling for the Agent Plugins Specification v1.0.0: scaffolds plugin.json, skills/, and mcp.json, and verifies them with a bundled validator. | pproenca/dot-plugins |
| [agent-plugin-forge](https://agentpluginsdirectory.com/plugins/agent-plugin-forge) | Review and publish Agent Skills from any workspace as portable Agent Plugins 1.0 packages. | MiguelElGallo/agent-plugin-forge |
| [agent-plugin-marketplace](https://agentpluginsdirectory.com/plugins/agent-plugin-marketplace) | Find open-source Agent Plugins, compare their included Agent Skills and MCP servers, or search the directory from an MCP-compatible client. | IchenDEV/agent-plugin-mkt |
| [agent-plugins](https://agentpluginsdirectory.com/plugins/agent-plugins--wommy) | Portable Agent Plugins v1 specification spike for the agents-wom plugin home. | wommy/agents-wom-plugins |
| [agent-plugins-builder](https://agentpluginsdirectory.com/plugins/agent-plugins-builder) | Create, migrate, package, and inspect Agent Plugins | HiAi-gg/agent-plugin-builder |
| [agent-plugins-doctor](https://agentpluginsdirectory.com/plugins/agent-plugins-doctor) | Diagnose and fix Agent Plugins | HiAi-gg/agent-plugins-doctor |
| [agent-plugins-example-zh](https://agentpluginsdirectory.com/plugins/agent-plugins-example-zh) | 基于 Agent Plugins Specification v1.0.0 的中文实践示范仓库：通过高质量 Skill、MCP 及二者组合案例，展示 Agent Plugin 的设计、组织、运行与复用。 | whale4rain/agent-plugins-example-zh |
| [agent-seer](https://agentpluginsdirectory.com/plugins/agent-seer) | Specification-driven evaluation, deterministic capability linting, and synthetic test harness generation for Model Context Protocol (MCP) tool suites. | ghchinoy/ai-paper-reproductions |
| [agent-skills](https://agentpluginsdirectory.com/plugins/agent-skills--kennyg) | A collection of portable skills for AI coding agents. | kennyg/agent-skills |
| [agent-toolbox](https://agentpluginsdirectory.com/plugins/agent-toolbox) | Reusable skills for agent-asset audits and upgrades, project setup, and reliable agent behavior. | chenkeyv/agent-toolbox |
| [agent-work-contracts](https://agentpluginsdirectory.com/plugins/agent-work-contracts) | Turn multi-step or delegated agent work into a bounded contract with concrete validation and a concise handoff. | AndreaGriffiths11/agent-work-contracts |
| [agentic-bundle-aas-agent-mcp-builder](https://agentpluginsdirectory.com/plugins/agentic-bundle-aas-agent-mcp-builder--costrict-plugins-repo) | Portable skills-only "AAS Agent & MCP Builder" plugin from Agentic Awesome Skills. | costrict-plugins-repo/sickn33-agentic-awesome-skills-agentic-bundle-aas-agent-mcp-builder |
| [agentic-bundle-agent-architect](https://agentpluginsdirectory.com/plugins/agentic-bundle-agent-architect--costrict-plugins-repo) | Portable skills-only "Agent Architect" plugin from Agentic Awesome Skills. | costrict-plugins-repo/sickn33-agentic-awesome-skills-agentic-bundle-agent-architect |
| [agentplugins](https://agentpluginsdirectory.com/plugins/agentplugins) | Portable Agent Plugin and skill for converting components (hooks, commands, tools) between coding-agent vendors. | shuvrobhai/AgentPlugins |
| [agents-ai-ml](https://agentpluginsdirectory.com/plugins/agents-ai-ml) | AI/ML pipeline skills: prompts, LLM costs, RAG, embeddings, guardrails. | skillshop-ostyles/skillshop-agents |
| [ai-mise](https://agentpluginsdirectory.com/plugins/ai-mise) | Looks at the AI setup you already have, finds what is there and going unused, and recommends the lightest thing that would help. It recommends and shows; it changes nothing without approval. | boulaajaj/ai-mise |
| [akc-ccc](https://agentpluginsdirectory.com/plugins/akc-ccc) | AI Keep Clean Context Control Center (CCC) Free for Visual Studio Code Agents / GitHub Copilot Chat, workspace identity via HUD pill, optional IDE border cue, MCP visual-context tools. Trial/Pro extends this plugin with Project HUD, branding, and device activation via ready-4-it.com/akc_ccc (Zebra akc_ccc): not paid Agents Marketplace checkout. | timejunky/r4it_ai_keep_clean_ccc_public |
| [analyze-screen-feedback](https://agentpluginsdirectory.com/plugins/analyze-screen-feedback) | Ground narrated macOS screen-recording feedback in local word timestamps, visible interface evidence, cursor motion, and explicit uncertainty. | andydrewie/analyze-screen-feedback |
| [ask-human](https://agentpluginsdirectory.com/plugins/ask-human) | Request an ordinary human decision or missing non-secret information through AskHuman. | megamen32/ask-human-plugin |
| [authoring-skills](https://agentpluginsdirectory.com/plugins/authoring-skills) | Agent skills for authoring and packaging agent skills | tteschon/skills |
| [axiom](https://agentpluginsdirectory.com/plugins/axiom) | Codex engineering with Astra XHIGH planning and advice, Luna MAX Fast workers, Sol MAX design, independent Sol review, and context isolation. | phni3j9a/axiom |
| [bootstrap-os](https://agentpluginsdirectory.com/plugins/bootstrap-os) | Preview 0.1.1 pointer to published Bootstrap OS. Skills hyperlink the constitution. Team Import from Repo only: not a public catalog submit. Not mentee-ready hosted boards. Path 1 stays the front door. | ivelin/bootstrap |
| [brace](https://agentpluginsdirectory.com/plugins/brace) | Design and review AI agent plugins for cross-harness coherence. Checks artifact dependencies between skills, knowledge-layer separation, internal duplication, and whether shared resources actually load on every harness the plugin claims to support. | bofrese/brace |
| [builder](https://agentpluginsdirectory.com/plugins/builder) | Agent Plugin for Builders | thimslugga/agent-plugins |
| [cache-stats](https://agentpluginsdirectory.com/plugins/cache-stats) | Shows live prompt-cache reuse, expiry, token composition, and AIU cost for the current GitHub Copilot session. | arafattehsin/cache-stats-extension |
| [claude-agent-sdk-ager](https://agentpluginsdirectory.com/plugins/claude-agent-sdk-ager) | Translate a validated AGER/OKF AgentGraph into a Claude Agent SDK lead + subagents project (max_turns, tools). | SpillwaveSolutions/claude-agent-sdk-ager |
| [claude-api](https://agentpluginsdirectory.com/plugins/claude-api--agentplugin-net) | Portable Agent Plugin packaging of the claude-api Agent Skill. | agentplugin-net/portable-agent-plugins |
| [claude-code-ager](https://agentpluginsdirectory.com/plugins/claude-code-ager) | Translate a validated AGER/OKF AgentGraph into a Claude Code plugin (skills, agents, commands, hooks). Multi-host: Claude Code, Grok Build, Codex, Cursor, Agent Plugins 1.0. | SpillwaveSolutions/claude-code-ager |
| [claude-managed-agents-ager](https://agentpluginsdirectory.com/plugins/claude-managed-agents-ager) | Translate a validated AGER/OKF AgentGraph into a Claude Managed Agents YAML manifest (entry, loop, agents). | SpillwaveSolutions/claude-managed-agents-ager |
| [claude-remote-control](https://agentpluginsdirectory.com/plugins/claude-remote-control) | Configure Claude Code Remote Control server mode and choose between the current computer, Claude web, an existing host, and new paid hosting. | Anchras/terminalbox-tools |
| [claude-skills-exporter](https://agentpluginsdirectory.com/plugins/claude-skills-exporter) | Extrae las skills de un repositorio con un plugin de Claude, audita su portabilidad y las empaqueta para ChatGPT, Perplexity Computer y Mistral Vibe Work. Conforme a Agent Plugins 1.0.0. | novanoticia/claude-skills-exporter |
| [closelly-ai-plugins](https://agentpluginsdirectory.com/plugins/closelly-ai-plugins) | Closelly MCP App: skills y connector portable para ChatGPT/Codex, Claude Code y GitHub Copilot CLI. | Closelly/ai_plugins |
| [codebase-memory-mcp](https://agentpluginsdirectory.com/plugins/codebase-memory-mcp) | High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph. | kilianpaquier/ai-integration |
| [codex-ager](https://agentpluginsdirectory.com/plugins/codex-ager) | Translate a validated AGER/OKF AgentGraph into a Codex plugin. Multi-host: Claude Code, Grok Build, Codex, Cursor, Agent Plugins 1.0. | SpillwaveSolutions/codex-ager |
| [codex-deepseek-subagent](https://agentpluginsdirectory.com/plugins/codex-deepseek-subagent) | Offline installer for the DeepSeek V4 Flash custom subagent for Codex | HernandoR/agent-skillset |
| [codex-maestro](https://agentpluginsdirectory.com/plugins/codex-maestro) | Experimental GPT-6.1 Sol/medium root workflow with Luna/max workers for bounded implementation and exploration. | akoita/agent-toolkit |
| [copilot-cli-local-memory](https://agentpluginsdirectory.com/plugins/copilot-cli-local-memory) | Local, explicit, human-readable cross-session memory for GitHub Copilot CLI. | shankarnarayanb/copilot-cli-local-memory |
| [copilot-lab-plugin](https://agentpluginsdirectory.com/plugins/copilot-lab-plugin) | Reference plugin for the Copilot upskilling lab. Shows how skills, MCP servers and Copilot-specific components are packaged together. | alessandro-avila/github-copilot-lab |
| [copilot-plugin-smoke-test](https://agentpluginsdirectory.com/plugins/copilot-plugin-smoke-test) | A minimal Agent Plugins v1 package for testing GitHub Copilot plugin loading. | Lavelee954/copilot-plugin-smoke-test |
| [cortex-workflows](https://agentpluginsdirectory.com/plugins/cortex-workflows) | Turn implementation specs into executable Cortex workflow scripts. | AllHailSeizure/cortex |
| [crewai-ager](https://agentpluginsdirectory.com/plugins/crewai-ager) | Translate a validated AGER/OKF AgentGraph into a CrewAI hierarchical Crew (manager_agent, max_iter, tasks). | SpillwaveSolutions/crewai-ager |
| [data-engineering-knowledge-capture](https://agentpluginsdirectory.com/plugins/data-engineering-knowledge-capture) | Data Engineering Knowledge Capture: schemas, lineage, medallion, semantic models, and glossary into a durable OKF knowledge graph. Multi-host bindings and write isolation. | SpillwaveSolutions/data-engineering-knowledge-capture |