Prov Ledger

Prov Ledger is a decision provenance and data-flow tracking plugin that records the reasons behind code and data changes.

Prov Ledger is a Claude Code plugin that tracks decision provenance and data flow for coding agents and developers. It records the reasoning, emails, and paths tried behind code and data changes, keeping this history attached to project components rather than transient sessions. The tool integrates graph, node, and task views to surface past decisions, rejected paths, and rules before edits occur. It relies on measured source comparisons, verbatim user words, and evidenced documents like emails or tickets to provide cited answers. Designed for developers and coding agents, it operates locally using SQLite files and works with Claude Code sessions.

Prov Ledger at a glance

Best for: Software engineer
Runs on: API, self-hosted, open source
Pricing: Free
Released: October 2026
Category: AI coding tool
Website: github.com/yizhao95/prov_ledger

Key features

Tracks decision provenance and data flow for code and data
Maintains graph, node, and task views of project records
Surfaces past decisions and rejected paths before edits
Records verbatim user prompts and tool use history
Provides cited answers to project questions
Preserves history of removed functions and datasets
Operates locally using SQLite files

Use it for

Answering project questions after team members leave
Checking past decisions before modifying code or data
Reviewing rejected paths and tried alternatives
Justifying code changes with meeting and email records

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