# Kronik > Portfolio-friendly summaries of public GitHub activity. ## Docs - [Public GitHub activity, presented clearly.](https://kronik.informati.dev/): A focused API for turning a GitHub user's public default-branch activity into portfolio-friendly summaries. - [How Kronik interprets GitHub activity](https://kronik.informati.dev/concepts): The rules behind attribution, pagination, coverage, delivery, and the data returned by Kronik v1. ## API Reference - [Kronik API](https://kronik.informati.dev/api-reference): Portfolio-friendly summaries of a GitHub user's public development activity. ### Health - [Check Kronik health](https://kronik.informati.dev/api-reference/health/health-get): Report Worker liveness without probing GitHub. Reference for the GET /health endpoint in the Kronik API. ### Activity - [List public commits](https://kronik.informati.dev/api-reference/activity/v1-activity-commits): List default-branch commits whose primary author GitHub resolves to the… Reference for the GET /v1/users/{username}/commits endpoint in the Kronik API. - [Get the latest public commit](https://kronik.informati.dev/api-reference/activity/v1-activity-latest-commit): Return the most recently committed matching public default-branch commit. Reference for the GET /v1/users/{username}/commits/latest endpoint in the Kronik API. - [Summarize public activity](https://kronik.informati.dev/api-reference/activity/v1-activity-summary): Aggregate at most 100 matching commits and repository language bytes over an… Reference for the GET /v1/users/{username}/activity endpoint in the Kronik API. - [Get contribution streaks](https://kronik.informati.dev/api-reference/activity/v1-activity-streak): Evaluate current and longest streaks over GitHub's trailing 365-day… Reference for the GET /v1/users/{username}/streak endpoint in the Kronik API. ## Agent skills - [kronik](https://kronik.informati.dev/.well-known/agent-skills/kronik/SKILL.md): Read the Kronik docs instead of answering from memory. Portfolio-friendly summaries of public GitHub activity. Use when a task involves Kronik: how it works, how to set it up or configure it, or its API. ## Agent resources - [llms-full.txt](https://kronik.informati.dev/llms-full.txt): The full Markdown of every page in one file. - [Page Markdown](https://kronik.informati.dev/index.md): Append `.md` to any page URL to fetch that page as raw Markdown. - [Agent skills](https://kronik.informati.dev/.well-known/agent-skills/index.json): Agent Skills discovery index of the skills this site publishes. - [API catalog](https://kronik.informati.dev/.well-known/api-catalog): RFC 9727 linkset of the APIs documented here. - [AI catalog](https://kronik.informati.dev/.well-known/ai-catalog.json): ARD manifest of the agent-facing resources on this site (MCP server, skills, APIs). - [agent-readability.json](https://kronik.informati.dev/agent-readability.json): Manifest of every agent-facing artifact on this site. - [Sitemap](https://kronik.informati.dev/sitemap.xml): Every indexable page URL with its last-modified date.