Nia

If you're tired of Claude hallucinating about your codebase or last week's Slack threads, this is worth trying. Nia indexes everything from GitHub repos and documentation sites to HuggingFace datasets, local folders, Slack workspaces, and Google Drive, then lets Claude search the actual content instead of guessing. The workflow pushes you to check indexed sources first before falling back to web search, which makes sense since you get full source code instead of truncated summaries. Setup requires an API key and the usual curl/jq dependencies. The script collection is comprehensive, covering everything from grep and tree views to dependency analysis and annotations. It's positioned as a hallucination reducer, and the deterministic workflow approach suggests the authors have thought about how LLMs actually fail.