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Prompt Version Diff

Optional context windows retain original physical line numbers and categories while preserving default output. Context counts nonblank lines; original physical line coordinates remain available.

Current release v1.1.1View source
v1.1.1Current release
MITSource license
3Supported platform groups
Developer ToolsCatalog category

The problem it solves

Prompt Version Diff Prompt Version Diff compares two local prompt files and groups added and removed nonblank lines into visible categories: constraints, context, examples, and instructions. It uses documented deterministic cues—never an AI model—so every classification is reproducible and reviewable.

Who Prompt Version Diff is for

  • Developers and maintainers who need reviewable evidence before changing or releasing software.
  • Users working with prompts, diff, prompt engineering who want the documented v1.1.1 behavior.
  • People who prefer an open-source release with visible limitations, source, and license terms.

Intended result

Optional context windows retain original physical line numbers and categories while preserving default output. Context counts nonblank lines; original physical line coordinates remain available.

This summary is reconciled from the current catalog and repository documentation.

Features in v1.1.1

Capabilities below come from the current project README and release documentation.

01

Prompt Version Diff compares two local prompt files and groups added and removed nonblank lines into visible categories: constraints, context, examples, and instructions. It uses documented deterministic cues—never an AI model—so every classification is reproducible and reviewable.

Verified examples

Screenshots are shown only when the current README references a local source image. Otherwise, repository example files are linked directly.

Verified release evidence

This project does not currently publish a screenshot or dedicated example folder. The current README, tests, changelog, tagged release, and source repository remain the verified examples of its behavior.

Platforms and implementation

The public release claims only the cataloged platforms and technologies.

Supported platforms

  • Windows
  • macOS
  • Linux

Built with

  • Python

Changelog

Release notes from the canonical v1.1.1 source tag.

  • Correct release wording and include dated release history and development notes in source distributions.
  • Preserve version 1.1.0 comparison/auditing behavior; update package and runtime version declarations only.
  • Add opt-in --context N and Python API context windows with original line numbers and categories.
  • Merge neighboring windows while preserving default output and meaningful-line counts.
  • Added deterministic nonblank-line comparison.
  • Added constraint, context, example, and instruction categories.
  • Added Markdown and JSON reports with original line numbers.

Read the complete changelog

Quick start

The shortest documented path into the current release.

Before running these source commands, download the v1.1.1 source archive, extract it, and open a terminal in the extracted project folder containing README.md. Follow the tagged README for required runtimes and any platform-specific setup.

python -m pip install .
prompt-version-diff prompt-old.md prompt-new.md --markdown changes.md --json changes.json

The exit code is 1 when meaningful lines changed, 0 when they match, and 2 for unreadable input. Blank-line-only formatting changes are ignored.

Current limitations

These boundaries are part of the product and prevent the page from implying unverified capability.

Files remain local. Reports repeat prompt text and can expose supplied context, so review them before sharing. Categories are lexical review aids, not semantic understanding. The tool does not detect every instruction, resolve conflicts, judge prompt quality, compare model behavior, or send content to an API.

Privacy and licensing

Review the actual data boundary before using a tool with sensitive inputs.

Privacy and safety

Files remain local. Reports repeat prompt text and can expose supplied context, so review them before sharing. Categories are lexical review aids, not semantic understanding. The tool does not detect every instruction, resolve conflicts, judge prompt quality, compare model behavior, or send content to an API.

License and release

Prompt Version Diff is published under MIT. The current cataloged release is v1.1.1, published 2026-10-16.

Release and downloadsRead the license

Related projects

Related projects are selected deterministically from shared catalog tags, category, and implementation technologies—not popularity or paid placement.

Shared focus: diff

AI Output Cleanup Diff

Compare before-and-after directories with optional read budgets and content-free evidence, marking incomplete comparisons and binary-only additions or deletions as unverified.

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Shared focus: prompts

Prompt Constraint Auditor

Deterministic constraint occurrence IDs, exact Unicode source spans and conflict references. Lexical constraint cues are heuristic and do not prove semantic conflicts.

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Shared focus: diff

Game Settings Snapshot Comparator

Compare JSON, INI/CFG and key-value game settings with optional typed value-redacted reports.

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Current public release

Prompt Version Diff v1.1.1

Use the tagged release for downloads and release notes. Use the repository for source, issues, contribution guidance, security reporting, and complete documentation.

Open releaseView source

Page source: current Forge catalog plus README and CHANGELOG from the canonical GitHub release tag. Fingerprint: 51ac65585c0e5a76.