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R² Flow: Recursive Self-Improvement via Recursive Skill Evolution

Mingda Zhang et al. · 2026 · arXiv 2609.33867 · Code · L3 · in the list

Alternates training the policy that chains skills, checking proposed edits with an independent verifier, and committing versioned skill-library changes.

  1. 1Listed
  2. 2Collected
  3. 3Analyzed
  4. 4Replicated
  5. 5Audited

1

Listed

30 October 2026

Added to the list. How entries were checked when they were listed is in the journal.

2

Collected

7 October 2026 · by rsi-design study

FileSourceSHA-256
paper PDF2609.33867.pdfarxiv.org/pdf/2609.3386719f89696dd7f4c43317d55ec25f0d2cf984019de53d33bc95254f6417fb92b08

To check a file, download it from its source and compare its SHA-256 with the one above. Collected copies are kept in the editor's RSI system; manifest: design-life/literature/rsi-workflow-improvement/sources.json.

3

Analyzed

7 October 2026 · by rsi-design study

Quoted verbatim from design-life/literature/rsi-workflow-improvement/comparison.md (2026-10-07). Parts about applying the paper to the editor's private work are left out.

From “Evidence for improving reusable agent workflows” (2026-10-07)

Inspected edition: R² Flow, v1, 27 September 2026; PDF pp. 3–9, Appendix C

Mechanism and reported evidence: Separates skill frequency from signed usefulness; admits library edits using separate verifier evidence and paired validation. Across eight phases, 33 of 37 committed edits improved the reported held-out verified score. With reward-derived labels, 25 of 44 edits raised training reward while reducing verified performance.

4

Replicated

Not done yet. Not attempted yet.

5

Audited

Not done yet. Not attempted yet.

The editor's view

None recorded yet.