---
title: "Agent Tooling Agent Plugins — page 4 of 6"
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: 2026-08-25
---

# Agent Tooling Agent Plugins — page 4 of 6

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 |
| --- | --- | --- |
| [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 |
| [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 Codex workflow for planning, bounded delegation, review, and verification. | akoita/agent-toolkit |
| [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 |
| [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 |
| [delx-recovery](https://agentpluginsdirectory.com/plugins/delx-recovery) | Free recovery, continuity, and witness protocol for AI agents: resume sessions, capture state, process failures, close with feedback. Optional opt-in Agents Hive guardian hooks seal a Continuity Capsule on compact/session end. No API key, no payment. | davidmosiah/delx-plugins |
| [dispatch-team](https://agentpluginsdirectory.com/plugins/dispatch-team) | タスクに合わせて適切なエージェントチームを編成し、並列実行する | yugo-ibuki/agent-plugins |
| [dreameros](https://agentpluginsdirectory.com/plugins/dreameros) | DreamerOS universal boot, governed memory, verification, and multi-engine routing through one shared gateway and vendor-native adapters. | gbude-sudo/dreameros-agent-plugin |
| [elephant](https://agentpluginsdirectory.com/plugins/elephant) | Carry coding sessions between AI harnesses. | vishesh9131/elephant |
| [engineering-foundation-authoring](https://agentpluginsdirectory.com/plugins/engineering-foundation-authoring) | Author and maintain compact Agent Skills and plugin packages with precise triggers, progressive disclosure, provenance, validation, and eval coverage. | EgoistDeveloper/codex-skills-foundation |
| [esment](https://agentpluginsdirectory.com/plugins/esment) | Esment memory for your AI assistant — recall before you answer, save what matters. | xm1000z/esment-plugins |
| [example-plugin](https://agentpluginsdirectory.com/plugins/example-plugin--nbpm128) | Reference Agent Plugins package: one skill plus a minimal stdio MCP server. | nbpm128/agent-toolkit |
| [ffss](https://agentpluginsdirectory.com/plugins/ffss--uinaf) | The flipflopslopstack skill set: drive slopmachine governed runs, slopguard reviews, delivery, babysitting, planning, docs, repo prep, and de-slopping. | uinaf/ffss |
| [firmament](https://agentpluginsdirectory.com/plugins/firmament) | Your team's shared, verified knowledge for AI agents: ask what's true about your org and how work gets done, then record what you learn. One install wires the ask & submit tools and a standing session reminder to use them. | spkenny455/firmament-plugin |
| [focus-order](https://agentpluginsdirectory.com/plugins/focus-order) | Keep attention on the highest-ranked urgent Herdr agent or worktree. | emo-eth/skills |
| [forjal](https://agentpluginsdirectory.com/plugins/forjal) | Delegate bounded work to an explicitly selected local model through an existing Forjal connection. | Lucasllfs/forjal-agent-plugin |
| [foundations.authoring](https://agentpluginsdirectory.com/plugins/foundations.authoring) | Guidance for creating portable, maintainable Agent Plugins. | mylokaye/foundations |
| [gitapex](https://agentpluginsdirectory.com/plugins/gitapex) | A distributable skills collection for gitapex. | tvna/gitapex |
| [google-adk-ager](https://agentpluginsdirectory.com/plugins/google-adk-ager) | Translate a validated AGER/OKF AgentGraph into Google ADK (Python, TypeScript, Go, Java, Kotlin) — LlmAgent (non-graph) and Workflow graph (ADK 2.0). | SpillwaveSolutions/google-adk-ager |
| [graft](https://agentpluginsdirectory.com/plugins/graft) | Autonomous SDLC orchestrator implementing OpenAI Symphony on top of Farm Table task graphs and Scion container execution. | zeroasterisk/graft |
| [hello-runtime](https://agentpluginsdirectory.com/plugins/hello-runtime) | A worked example of the C2 plugin protocol: a Node process that contributes a command, calls one of the host's, and listens for host events. | IchenDEV/codeTwo |
| [hu-<team>](https://agentpluginsdirectory.com/plugins/hu-team) | Team-specific HU agent skills. | uashogeschoolutrecht/hu-agent-framework |
| [ievo](https://agentpluginsdirectory.com/plugins/ievo) | iEvo — self-evolving plugin for AI coding agents (Claude Code, Codex). Universal via the agentskills.io standard. Capture lessons, patch local agents and skills, replay logs on upstream updates. Antivirus-style security audit before install. | ievo-ai/skills |
| [inkentry](https://agentpluginsdirectory.com/plugins/inkentry) | Code and decision retrieval for an inkentry-indexed repository: search over code and memory, call and import graph traversal, and durable decisions that travel with the repo. | inkentries/agent-plugin |
| [internet-skill-finder](https://agentpluginsdirectory.com/plugins/internet-skill-finder) | Search verified GitHub repositories for Agent Skills and inspect matching skills. | mattwag05/mw-plugins |
| [ira-claude-plugins](https://agentpluginsdirectory.com/plugins/ira-claude-plugins) | Personal reusable agent skills for safe installation, compact command output, settings curation, and scientific debugging. | seefood/ira-claude-plugins |
| [jabstack](https://agentpluginsdirectory.com/plugins/jabstack) | Jabree's personal agent plugin — a portable stack of skills for Claude Code and other agent clients. | jabreeflor/jabstack |
| [joai-cursor](https://agentpluginsdirectory.com/plugins/joai-cursor) | Connect Cursor to Claude, Codex, and ChatGPT through JoAi's hosted MCP app server. | JoAiHQ/claude-plugins |
| [langchain-deep-agents-ager](https://agentpluginsdirectory.com/plugins/langchain-deep-agents-ager) | Translate a validated AGER/OKF AgentGraph into a LangChain Deep Agents project (skills from AgentNodes, FilesystemBackend). | SpillwaveSolutions/langchain-deep-agents-ager |
| [langwatch](https://agentpluginsdirectory.com/plugins/langwatch) | Records which repository and branch each coding-agent session worked in, and teaches the agent to read its own traces back from LangWatch. | langwatch/agent-plugin |
| [linear-spec-plugin](https://agentpluginsdirectory.com/plugins/linear-spec-plugin) | Spec-driven project execution pipeline backed by Linear. Same skills and agents as spec-plugin, but writes specs, stories and validation to Linear via GraphQL while keeping reasoning artifacts on disk. | nexaedge/nexaedge-marketplace |
| [macstack-dev](https://agentpluginsdirectory.com/plugins/macstack-dev) | MACSTACK dev plugin for Agents Store. Creates and maintains macstack.json — the standardized business + technical stack specification for Claude projects: init in existing projects, generate from scratch (result-first), discover context plugins and prototypes, scaffold project files in the prototype → stack plugins → dev plugins order, wire Infisical env, install best-practice rules and commands. | Agents-Store/agentplugins |
| [maestra](https://agentpluginsdirectory.com/plugins/maestra) | Explicitly activated, context-isolated multi-agent execution with Main-owned planning and bounded review. | phni3j9a/maestra-codex-plugin |
| [mehmory](https://agentpluginsdirectory.com/plugins/mehmory) | Memory abstraction layer for Claude Code and Codex CLI: deterministic capture hooks plus model-driven skills over a markdown wiki in ~/.mehmory. | elderfo/mehmory |
| [memhub](https://agentpluginsdirectory.com/plugins/memhub) | XTrace MemHub team memory: search_memory / save_artifact / import_conversation MCP tools plus skills for artifact upload, session import, team-memory recall, session handoff, and spec-driven development. Session auto-capture ships through the host-native plugin layer (hooks are outside the Agent Plugins spec). | XTraceAI/agent-plugins |
| [modelhitch](https://agentpluginsdirectory.com/plugins/modelhitch--bobbybacklogs) | Build and operate BYOK, multi-provider AI applications with ModelHitch. | bobbybacklogs/ModelHitch |
| [necktie](https://agentpluginsdirectory.com/plugins/necktie) | An opinionated agent policy for decisions shaped by incentives, metrics, power, and hidden costs. | gillcash/necktie |
| [nemeda-agent-kit](https://agentpluginsdirectory.com/plugins/nemeda-agent-kit) | Portable methodology, tools, and repository context for AI coding agents. | twyd-ai/nemeda-agent-kit |
| [news-digest](https://agentpluginsdirectory.com/plugins/news-digest) | News digest ContentPack: news items, sources, scheduled digests, trends, follow-up candidates. | SpillwaveSolutions/news-digest |
| [openviking-memory](https://agentpluginsdirectory.com/plugins/openviking-memory) | Native OpenViking long-term memory integration for Antigravity (MCP tools + automatic recall + non-blocking background capture). | V0v1kkk/openviking-antigravity-memory |
| [opl-meta-agent](https://agentpluginsdirectory.com/plugins/opl-meta-agent) | OPL agent design, review, takeover, and evolution. | gaofeng21cn/opl-meta-agent |
| [oqoqo](https://agentpluginsdirectory.com/plugins/oqoqo) | Operate and analyze Oqoqo projects and eval experiments, and search Oqoqo product documentation from your agent. | Oqoqo-Inc/agent-plugin |
| [palim](https://agentpluginsdirectory.com/plugins/palim) | Cross-tool AI memory over MCP. Checkpoint chats in Cursor, resume them in Claude or ChatGPT. EU-hosted full-text search — not another local SQLite sidecar. | joleschmidt/palim-mcp-examples |
| [peter537-agent-plugin](https://agentpluginsdirectory.com/plugins/peter537-agent-plugin) | Portable agent skills and MCP integrations for research, planning, reader-first multilingual writing, source-comment health, evidence-driven bug diagnosis, behavior-preserving code simplification, codebase pruning, code, dependency, privacy, and repository data-exposure audits, supply-chain security, documentation, UI design, MAUI Blazor browser development, and development workflows. | Peter537/peter537-agent-plugin |
| [pi-llm-verifier](https://agentpluginsdirectory.com/plugins/pi-llm-verifier) | Read-only candidate verification with explicit discrete-judge and true-logprob modes. | oliveralerubio/pi-llm-verifier |