Open-source repo library

37 hand-picked, permissively licensed repos (MIT/Apache/BSD) for skills, MCP servers, agent frameworks and starter kits. License, stars and last push were checked against the GitHub API on 2026-10-13. Free: the list. Premium: pinned commit SHA, safety review and install steps.

alladsagentsbuilderdataecommercefinancemcpnewsletteroperationsopsresearchsalesskills
read-mostly
operations · tool

microsoft/markitdown

Converts PDF, Office files, HTML and more into Markdown for LLMs. Also ships an MCP server.

MIT · ★ 190k · pushed 2026-10-04
Works with: Claude Code, Codex, Gemini CLI, Grok Bot, Cursor
Blueprints: document-processing-agent, knowledge-base-agent, bookkeeping-agent

🔒 Pinned SHA, safety review and install steps: Pro plan

read-mostly
operations · MCP server

makenotion/notion-mcp-server

Notion's official MCP server for pages and databases.

MIT · ★ 4.7k · pushed 2026-09-20
Works with: Claude Code, Codex, Gemini CLI, Grok Bot, Cursor
Blueprints: knowledge-base-agent, meeting-notes-agent

🔒 Pinned SHA, safety review and install steps: Pro plan

can send/act
operations · MCP server

korotovsky/slack-mcp-server

A Slack MCP server (channels, messages, search), community-maintained.

MIT · ★ 1.9k · pushed 2026-07-16
Works with: Claude Code, Codex, Gemini CLI, Grok Bot, Cursor
Blueprints: knowledge-base-agent, ops-monitoring-agent

🔒 Pinned SHA, safety review and install steps: Pro plan

Considered and excluded