# Checkpoint

> Save a local recovery packet from durable session state. Use when the user invokes /checkpoint, asks to preserve progress, or wants a safe restore point before risky or lengthy work.

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

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# Save a recovery checkpoint

Capture the session objective, current plan, completed and pending work, relevant evidence, workspace state, and exact next action. Apply the optional label when provided.

Create a new checkpoint without overwriting earlier recovery packets and report its project-relative path.