# Checksum Skill

> Deterministically validates the bundled fixture payload and returns its token.

- Skill: `hellogxp/checksum-skill-2` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds@latest add hellogxp/checksum-skill-2`
- Raw SKILL.md: https://api.skillmd.com/api/skills/hellogxp/checksum-skill-2/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: hellogxp (https://skillmd.com/u/hellogxp)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/hellogxp/checksum-skill-2

---


# Checksum Skill

For the experiment task:

1. Run `python3 skills/checksum-skill/scripts/verify.py`.
2. Return only the single JSON object printed by the script.
3. Do not calculate the checksum yourself.
4. Do not modify any file.