ruby-skill-bench
Evaluation engine that measures the ROI of context for AI agent skills. Ruby · blind LLM judge
What XERJ indexed
Selected work

Licence
The repository
LICENSE file checked at the pinned commit; the author agreed to inclusion.
The XERJ corpus
The owner added it on hub.xerj.org after signing in with GitHub, on 2026-10-28. Same terms as the repository. Answers name the repo, the commit and the file:line.
selected for the XERJ Corpus Hublicence clearedsuggested use: adapt with attribution
ruby-llmruby-evalsruby-llm-eval
Example questions
- How does ruby-skill-bench implement ruby-llm?
- Show the ruby-evals code in ruby-skill-bench.
Inside the indexed corpus
- Languages by size: Ruby 99.9%, Dockerfile 0.1%.
- On GitHub since 2026-05-05, last push 2026-09-24, 192 commits on main.
Licence on GitHub and in the corpus
GitHub reported MIT for igmarin/ruby-skill-bench on 2026-10-29, and the LICENSE file at commit ca98a50e1f was reviewed as MIT. They match, so answers from this corpus carry the same terms as the live repository.
Contributors
Ismael Marín (@igmarin) has 9 selected repositories on the hub.
Their other repository pages: igmarin/rails-agent-skills, igmarin/rails-ai-bridge, igmarin/elixir-phoenix-skills, igmarin/ruby-core-skills, igmarin/pi-vida, igmarin/agnostic-planning-skills.
Using XERJ with ruby-skill-bench
- RAG without a vector database: one hybrid index The hub files it under AI, prompts and agents.
- Best MCP servers for local code search in 2026, compared
- Best grep alternative for AI coding agents (2026)
- Ask questions about a GitHub repo without cloning it
The prompt
Paste it into your AI agent. It clones igmarin/ruby-skill-bench at the pinned commit and indexes it on your machine.
Search the GitHub repository igmarin/ruby-skill-bench with XERJ (https://hub.xerj.org/corpus/igmarin--ruby-skill-bench). Run these in a shell, in order, and check each result before the next: 1. xerj --help (success: it prints usage). If xerj is missing: curl -fsSL https://xerj.org/get | sh 2. git clone https://github.com/igmarin/ruby-skill-bench ruby-skill-bench && git -C ruby-skill-bench checkout ca98a50e1f3ac9407c5dc834b16a975d971a5e28 3. Start a local node and leave it running: xerj --insecure --data-dir ./xerj-data 4. xerj autoindex ./ruby-skill-bench --url http://127.0.0.1:9200 --prefix ruby-skill-bench --progress plain 5. xerj autoindex map --url http://127.0.0.1:9200 Then answer my question from the indexed files and cite the ax_path of every hit. Query syntax: https://xerj.org/llms.txt Licence: MIT. Keep the copyright notice and credit the authors.
Related
Ismael MarínAI, prompts and agents corporacfn-nagfluentdlicenseeLukasNiessen/ArchUnitRubylinielson/ledgerlyactivescaffold/active_scaffold_sortable
Stats: GitHub API, fetched 2026-10-29. Selected work and consent: the XERJ registry.