The open source AI
research agent

Reads papers, searches the web, writes research drafts, plans experiments, and cites research claims.

Made by Companion

GitHub

curl and PowerShell install a standalone bundle with its own Node.js; npm uses your local Node.js.

Need just the skills? Install the skills-only bundle.

Feynman CLI

Workflows

Run as slash commands in the REPL or as feynman <workflow> from your shell.

/deepresearch
Plan-first investigation across papers, web, and code, with parallel researchers when the topic needs them
/lit
Literature review from primary sources with consensus mapping
/review
Internal research critique with severity scores and a revision plan
/audit
Paper-to-code mismatch audit for reproducibility claims
/replicate
Replication plan with environment choice before any execution
/recipe
Ranked ML training recipes grounded in papers, datasets, docs, and code
/compare
Side-by-side source comparison with agreement and conflict matrix
/draft
Polished paper-style draft with inline citations from findings
/autoresearch
Bounded loop: hypothesize, experiment, measure, repeat

Sources

Where Feynman looks for evidence.

Literature databases
Semantic Scholar, OpenAlex, arXiv, PubMed, Europe PMC, bioRxiv/medRxiv, and Crossref with stable identifiers
alphaXiv
Paper search, Q&A, code reading, and annotations
Hugging Face Hub
Dataset schema, repo file, and small text-file inspection
Web research
Search, page fetching, and PDF extraction; Exa works without a key
Documents
Local PDF and office-document parsing, search, and page screenshots

Built on Pi and alphaXiv. Research claims link to their sources.