Robust skills for Agents

Agent skills for daily use

AI-agent skill producing reusable Markdown from PDFs. It turns flowcharts, diagrams, and charts into text beside each caption instead of empty links. It checks an earlier conversion against the PDF and fixes misread or missing parts. Long PDFs run in small saved batches with an independent review pass, each paragraph tagged with its page.

Nimbalyst - The open-source visual workspace for Claude Code, Codex, and OpenCode. Run multiple coding agents in parallel, edit their work visually in markdown, mockups, and diagrams, and track tasks. Free, MIT-licensed desktop app for macOS, Windows, Linux, with mobile companion for iOS and Android.

A JavaScript graph layout engine: port of MSAGL

Structurizr is a "models as code" tool designed for the C4 model.

Open source Claude Code skills by AY Automate

Native draw.io skill with export helpers, SVG linting, and public docs for Codex and Claude Code workflows.

Agent skills for academic figures and editable slide decks in Claude Code and Codex.

Where data access meets operational intelligence

Local-first static analysis that turns source code into deterministic, source-grounded workflow maps for coding agents via MCP.

Open-source desktop SQL workspace for PostgreSQL, MySQL/MariaDB, SQLite and 15+ more databases like DuckDB, ClickHouse, Redis and Firestore. Built-in MCP server for Claude, Cursor and Devin, SQL notebooks and visual EXPLAIN.