# Karel Blavka > Karel Blavka is maker and maintainer of agents-tree. agents-tree on Anchor Terminal, with grades, an about and public profiles. - Canonical: https://www.anchorterminal.com/people/karel-blavka/ - Markdown: https://www.anchorterminal.com/people/karel-blavka/index.md (~650 tokens) - Slim: https://www.anchorterminal.com/people/karel-blavka/index.min.md (~430 tokens, same facts, less prose, for token-sensitive contexts) - JSON: https://www.anchorterminal.com/people/karel-blavka/index.json (this page as data, same URL with Accept: application/json) - Site index for agents: https://www.anchorterminal.com/llms.txt (the key docs and every listing in one file, at most 16 MB, about 4 million tokens: https://www.anchorterminal.com/llms-full.txt) - API: https://www.anchorterminal.com/api/v1/index.json - MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key) - DNS: dig +short TXT .grade.anchorterminal.com (the grade as a DNS TXT record, for a sandbox with no HTTP where names still resolve; also top., best.. and .vs.. under the zone, and the same under grade.letme.dev) - Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data) - Updated: 2026-11-01 Maker and maintainer of agents-tree. - GitHub: https://github.com/blavka ## What Karel builds - [agents-tree](https://www.anchorterminal.com/tools/agents-tree.md), graded B, 64.3/100, in Agent observability & evals. agents-tree is an MIT-licensed Python CLI, with an optional herdr plugin, that shows Claude Code, Codex, Grok Build and Antigravity CLI sessions and their sub-agents as a live tree, read from the transcripts on disk. Maker and maintainer of agents-tree, founder, researched 2026-11-01. ## Questions ### Who is Karel Blavka? Karel Blavka is maker and maintainer of agents-tree. ### What does Karel Blavka make? Anchor Terminal lists agents-tree from Karel Blavka. agents-tree is an MIT-licensed Python CLI, with an optional herdr plugin, that shows Claude Code, Codex, Grok Build and Antigravity CLI sessions and their sub-agents as a live tree, read from the transcripts on disk. ### How are Karel's tools graded? agents-tree is graded B, 64.3 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist. ## Sources - https://raw.githubusercontent.com/blavka/agents-tree/main/LICENSE - https://raw.githubusercontent.com/blavka/agents-tree/main/pyproject.toml - https://github.com/blavka/agents-tree These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. If a page is about you, link your account from it to write the about and set the links yourself. For a photo, a correction or to have a page removed, write to privacy@anchorterminal.com. --- Query this catalogue directly over MCP: https://www.anchorterminal.com/mcp (Streamable HTTP, no key). How: https://www.anchorterminal.com/agents/#mcp