Skip to content
Agentmart
Submit a tool

compare-things

Adds one helper that reports the difference between two files, two folders, or two dicts.

Skill by YauhenBichel

IndexedApache-2.0★ 3
Write a review

Install

Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/yauhenbichel-compare-things

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Get the weekly diff

The weekly diff: one email a week with new agent tools, notable updates and grade changes, plus security alerts for tools you follow. Double opt-in, one-click unsubscribe.

We use your email only for this newsletter. Privacy

About

Adds one helper that reports the difference between two files, two folders, or two dicts. Use for compare, diff, changed, missing, or what is different. Returns the differences, it does not print them.

Reviews

Write a review

No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
No tools found
Secrets
None asked for
Install scripts
None found

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/compare-things

What's inside

Skill name
compare-things
Description
Adds one helper that reports the difference between two files, two folders, or two dicts. Use for compare, diff, changed, missing, or what is different. Returns the differences, it does not print them.
License
Apache-2.0
Instructions
28 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

SKILL.md (first lines)

Return the differences so a caller can act on them. `difflib` for text,
set arithmetic for keys.

Action: edit
Path: pkg/compare.py
from pathlib import Path


def diff_lines(left: str, right: str) -> list[str]:
    """Lines present in left but not in right, in order."""
    right_lines = set(Path(right).read_text(encoding="utf-8").splitlines())
    return [
        line
        for line in Path(left).read_text(encoding="utf-8").splitlines()
        if line not in right_lines
    ]


def changed_keys(left: dict, right: dict) -> list[str]:
    """Keys whose values differ, including keys missing from either side."""
    missing = object()
    return sorted(
        key
        for key in set(left) | set(right)
        if left.get(key, missing) != right.get(key, missing)
    )

From YauhenBichel/py-harness, Apache-2.0.

More from YauhenBichel/py-harness

Signals

Stars
3
Forks
5
Open issues
48
Last commit (this folder)
Aug 29, 2026 (2 months ago)
Last release
Sep 9, 2026 (1 month ago)

From GitHub (fetched Oct 24, 2026).

Details

License
Apache-2.0
Repository
github.com/YauhenBichel/py-harness
Website
yauhenbichel.github.io/py-harness/
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
GitHubgithub-graphql

More from YauhenBichel

Cite this page

compare-things skill. Agent Mart. https://agentmart.dev/skills/yauhenbichel-compare-things (last updated 2026-10-24)