feat: add distribution files for Smithery, GitHub Action, and Claude Code Plugin

- Add Claude Code Plugin: plugin.json, .mcp.json, 3 slash commands, skill-builder agent skill
- Add GitHub Action: composite action.yml with 6 inputs/2 outputs, comprehensive README
- Add Smithery: publishing guide with namespace yusufkaraaslan/skill-seekers created
- Add render-mcp.yaml for MCP server deployment on Render
- Fix Dockerfile.mcp: --transport flag (nonexistent) → --http, add dynamic PORT support
- Update AGENTS.md to v3.3.0 with corrected test count and expanded CI section
- Allow distribution/claude-plugin/.mcp.json in .gitignore

distribution/github-action/README.md

@@ -0,0 +1,147 @@
+# Skill Seekers GitHub Action
+
+Transform documentation, GitHub repos, PDFs, videos, and 13 other source types into AI-ready skills and RAG knowledge — directly in your CI/CD pipeline.
+
+## Quick Start
+
+```yaml
+- uses: yusufkaraaslan/skill-seekers-action@v3
+  with:
+    source: 'https://react.dev'
+```
+
+## Inputs
+
+| Input | Required | Default | Description |
+|-------|----------|---------|-------------|
+| `source` | Yes | — | Source URL, file path, or `owner/repo` |
+| `command` | No | `create` | Command: `create`, `scrape`, `github`, `pdf`, `video`, `analyze`, `unified` |
+| `target` | No | `claude` | Target platform: `claude`, `openai`, `gemini`, `langchain`, `llamaindex`, `markdown` |
+| `config` | No | — | Path to JSON config file |
+| `output-dir` | No | `output` | Output directory |
+| `extra-args` | No | — | Additional CLI arguments |
+
+## Outputs
+
+| Output | Description |
+|--------|-------------|
+| `skill-dir` | Path to the generated skill directory |
+| `skill-name` | Name of the generated skill |
+
+## Examples
+
+### Auto-update documentation skill weekly
+
+```yaml
+name: Update AI Skills
+on:
+  schedule:
+    - cron: '0 6 * * 1'  # Every Monday 6am UTC
+  workflow_dispatch:
+
+jobs:
+  update-skills:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: yusufkaraaslan/skill-seekers-action@v3
+        with:
+          source: 'https://react.dev'
+          target: 'langchain'
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: react-skill
+          path: output/
+```
+
+### Generate skill from GitHub repo
+
+```yaml
+- uses: yusufkaraaslan/skill-seekers-action@v3
+  with:
+    source: 'pallets/flask'
+    command: 'github'
+    target: 'claude'
+```
+
+### Process PDF documentation
+
+```yaml
+- uses: actions/checkout@v4
+
+- uses: yusufkaraaslan/skill-seekers-action@v3
+  with:
+    source: 'docs/api-reference.pdf'
+    command: 'pdf'
+```
+
+### Unified multi-source build with config
+
+```yaml
+- uses: actions/checkout@v4
+
+- uses: yusufkaraaslan/skill-seekers-action@v3
+  with:
+    config: 'configs/my-project.json'
+    command: 'unified'
+    target: 'openai'
+```
+
+### Commit generated skill back to repo
+
+```yaml
+- uses: actions/checkout@v4
+
+- uses: yusufkaraaslan/skill-seekers-action@v3
+  id: generate
+  with:
+    source: 'https://fastapi.tiangolo.com'
+
+- name: Commit skill
+  run: |
+    git config user.name "github-actions[bot]"
+    git config user.email "github-actions[bot]@users.noreply.github.com"
+    git add output/
+    git diff --staged --quiet || git commit -m "Update AI skill: ${{ steps.generate.outputs.skill-name }}"
+    git push
+```
+
+## Environment Variables
+
+Pass API keys as environment variables for AI-enhanced skills:
+
+```yaml
+env:
+  ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+  OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
+  GOOGLE_API_KEY: ${{ secrets.GOOGLE_API_KEY }}
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+```
+
+## Supported Source Types
+
+| Type | Example Source |
+|------|---------------|
+| Documentation (web) | `https://react.dev` |
+| GitHub repo | `pallets/flask` or `https://github.com/pallets/flask` |
+| PDF | `docs/manual.pdf` |
+| Video | `https://youtube.com/watch?v=...` |
+| Local codebase | `./src` |
+| Jupyter Notebook | `analysis.ipynb` |
+| OpenAPI/Swagger | `openapi.yaml` |
+| Word (.docx) | `docs/guide.docx` |
+| EPUB | `book.epub` |
+| PowerPoint | `slides.pptx` |
+| AsciiDoc | `docs/guide.adoc` |
+| HTML | `page.html` |
+| RSS/Atom | `feed.rss` |
+| Man pages | `tool.1` |
+| Confluence | Via config file |
+| Notion | Via config file |
+| Chat (Slack/Discord) | Via config file |
+
+## License
+
+MIT