AgentMatter

A collection of 25 installable Agent Skills maintained by Matt Pocock for real software engineering, including discovery, specification, TDD, debugging, code review, domain modeling, tickets, and handoffs.

A DeepSeek Harness plugin that connects OpenViking's context database and retrieves relevant long-term memories before task steps.

A Skills-driven software development methodology covering discovery, planning, implementation, and verification.

MarkItDown-MCP is the MCP server in Microsoft's MarkItDown repository. Its `convert_to_markdown(uri)` tool converts local files, web pages, or data URIs into Markdown for LLM workflows.

A community-built prompt discovery and collection project with a website, CLI, plugins, and MCP support.

Anthropic's public Agent Skills catalog covering document, design, development, and content workflows.

Hindsight memory integration for DeepSeek Harness, Codex, and Claude Code, using hooks and MCP to retain and retrieve project context.

An engineering workflow pack combining agents, skills, hooks, commands, and rules for planning, implementation, testing, security, and continuous learning.

The official collection of reference servers and example implementations maintained by the Model Context Protocol project.

An archive of system prompts, tool definitions, and model information organized by AI product.

UI/UX Pro Max is an installable design-intelligence Skill for Codex, Claude Code, Cursor, and other AI coding assistants. It uses locally searchable data to generate product design systems and provide style, color, typography, interaction, accessibility, and implementation guidance across 22 stacks.

A DeepSeek Harness integration that runs Archify against a codebase and produces structured JSON plus an interactive HTML architecture map.

A library of specialist agent personas organized by role and task, with conversion and installation scripts for Codex and other coding agents.

Provides coding agents with current library documentation and version-aware code examples.

GitHub's official open-source spec-driven development toolkit, connecting requirements, clarification, planning, tasks, implementation, and convergence checks through reviewable prompt commands.

An Agent Skill that turns code, documentation, SQL, configuration, PDFs, and media into a queryable knowledge graph, using deterministic local AST extraction for code and provenance labels for relationships.

Tencent’s DeepSeek Harness plugin for BrowserSkill exposes page inspection, interaction, screenshots and isolated browser sessions through the local bsk CLI and browser extension.

A cross-platform desktop configuration manager for switching providers, MCP servers, prompts, and skills across Claude Code, Codex, Gemini CLI, and other tools.