# Sylvain Kalache

> AI Labs lead and DevRel at Rootly. Former Senior SRE at LinkedIn. Co-founded Holberton School, which trained thousands of engineers across 25 countries. Founded while42, a developer community of 3,000 engineers across 40 cities. Writes for TechCrunch and The New Stack, speaks at conferences like SREcon, and builds open-source tools for reliability engineering.

This is the canonical website for Sylvain Kalache's professional profile, first-party writing, talks, podcasts, panels, open-source work, and media appearances.

## Primary Resources

- [Agent briefing](https://www.sylvainkalache.com/agent.md): Background, current writing, MCP setup, and structured context
- [Professional story](https://www.sylvainkalache.com/my-story.md): Career history, education, companies founded, and locations
- [Portfolio index](https://www.sylvainkalache.com/index.md): Complete collection of published work and appearances, with links to Markdown detail pages and topic collections
- [First-party blog index](https://www.sylvainkalache.com/blog.md): Published essays by Sylvain Kalache, with links to their full Markdown versions
- [Blog RSS feed](https://www.sylvainkalache.com/blog/feed.xml): Machine-readable first-party post feed
- [Sitemap](https://www.sylvainkalache.com/sitemap.xml): Complete index of canonical site URLs

The blog contains first-party essays. Use the portfolio, sitemap, or MCP server for the broader publication and appearance history.

## Markdown Pages

Public blog posts, portfolio details, and topic pages have Markdown versions at their canonical path plus `.md`. The homepage is available at `/index.md`. Follow the indexes above to discover individual pages. Markdown pages preserve their HTML canonical URL, attribution, and source links. Portfolio pages contain the locally published article or summary; a video link does not imply a transcript is available.

## MCP Server

- [npm package](https://www.npmjs.com/package/mcp-sylvain-kalache): Launch the local stdio server with `npx -y mcp-sylvain-kalache`
- [Source repository](https://github.com/sylvainkalache/MCP-Sylvain-Kalache): Server source, documentation, and issue tracker

Compatible with Codex, Claude Code, and other clients that support local stdio MCP servers.

- Codex: `codex mcp add sylvain-kalache -- npx -y mcp-sylvain-kalache`
- Claude Code: `claude mcp add sylvain-kalache -- npx -y mcp-sylvain-kalache`
- Other stdio clients: command `npx` with arguments `-y`, `mcp-sylvain-kalache`

Available tools:
- `search_content`: Search published work and appearances by keyword.
- `get_content_by_category`: List blog posts, articles, podcasts, talks, panels, projects, or news.
- `get_featured_content`: List featured work and upcoming appearances.
- `get_content_by_publication`: Find work from a publication or show.
- `get_person_info`: Return professional background and expertise.
- `get_contact_info`: Return contact details and social profiles.
- `get_timeline`: Return the career timeline and locations.
- `get_stats`: Summarize the portfolio by category, publication, topic, and date.
- `book_time`: Return the link and requirements for scheduling a meeting.
- `get_weather`: Return live weather and upcoming event locations.

## Contact

- Email: sylvain@kalache.fr
- [LinkedIn](https://www.linkedin.com/in/sylvainkalache)
- [GitHub](https://github.com/sylvainkalache)
- [X](https://x.com/sylvainkalache)