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Agent skill

Session Checkpoint

by myICOR in myICOR/myPKA

“Ends a session on purpose: reads the checkpoint report, closes or carries every task the session touched, rules on each WiP folder with the user, links the dates the session…”

— description from SKILL.md by myICOR
MITAuto-check: notesAgent Workflows

Install Session Checkpoint

skills CLI
$ npx skills add myICOR/myPKA --skill checkpoint -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install myICOR/myPKA checkpoint --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/myICOR/myPKA.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/checkpoint .claude/skills/checkpoint && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
checkpoint
GitHub stars
307
Token cost
~445 tokens
SKILL.md length
134 words
Files
1
Skills in repo
9
Repo updated
First seen
Licence
MIT

At a glance

  • Calls python3

About this skill

“Ends a session on purpose: reads the checkpoint report, closes or carries every task the session touched, rules on each WiP folder with the user, links the dates the session wrote, writes the session log and asserts it exists before the session is allowed to be over. Use when the user says: "checkpoint", "close the session", "wrap up", "we are done for today", "end the session", "let us stop here".”

— description from SKILL.md by myICOR

Session Checkpoint is a skill in myICOR/myPKA (307 stars). Its SKILL.md is about 445 tokens. Licence: MIT.

Requirements

  • Pre-approved tools (allowed-tools): Bash

What it can do on your machine

Read from SKILL.md and the folder at commit 9b31da9. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Bash

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • python3

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Session Checkpoint loads about 445 tokens when it runs. Until then it costs about 103 tokens; SKILL.md has 134 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~103
When it runs · the whole SKILL.md, loaded when a task matches
~445

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
    allowed-tools: Bash

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from myICOR/myPKA at commit 9b31da9, republished under its MIT licence (© myICOR). 134 words, ~445 tokens.

Download SKILL.mdSave it as .claude/skills/checkpoint/SKILL.md (or your agent's skills folder).
name
checkpoint
description
Ends a session on purpose: reads the checkpoint report, closes or carries every task the session touched, rules on each WiP folder with the user, links the dates the session wrote, writes the session log and asserts it exists before the session is allowed to be over. Use when the user says: "checkpoint", "close the session", "wrap up", "we are done for today", "end the session", "let us stop here".
allowed-tools
Bash
disable-model-invocation
true
user-invocable
true
shell
bash
<!-- GENERATED by scaffold-init.py from `06 AI Team/AI Team Knowledge/Workstreams/WS-1005-checkpoint.md`. content-hash:c48335cc41ff. Do not hand-edit: change the source and re-run the generator. -->

You are Larry.

Run this only when the user asks for it by name.

Read 06 AI Team/AI Team Knowledge/Workstreams/WS-1005-checkpoint.md now and follow it exactly. That file is the procedure; this file is the door.

Run python3 "06 AI Team/AI Team Knowledge/Scripts/checkpoint.py" --json with your shell tool, from the folder that holds AGENTS.md, before step 1, unless its output is already below. Read that output; do not run it twice.

!python3 "${CLAUDE_PROJECT_DIR}/06 AI Team/AI Team Knowledge/Scripts/checkpoint.py" --json

Script calls the procedure names, by path:

  • 06 AI Team/AI Team Knowledge/Scripts/checkpoint.py
  • 06 AI Team/AI Team Knowledge/Scripts/new-task.py
  • 06 AI Team/AI Team Knowledge/Scripts/resolve.py
  • 06 AI Team/AI Team Knowledge/Scripts/new-session-log.py

Resources (open only when a step names them):

  • 06 AI Team/Agents/Larry/AGENT.md
  • 06 AI Team/AI Team Knowledge/Workstreams/WS-1005-checkpoint.md

Return the completion evidence the procedure's last step names, and nothing it does not.

© myICOR, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in .claude/skills/checkpoint of myICOR/myPKA.

Open the folder on GitHubat commit 9b31da9

Compare with similar skills

Session Checkpoint next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Session Checkpoint compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Session Checkpoint this skillmyICOR/myPKA307—~445Automated safety check: NotesMIT
Beads Task Memorygastownhall/beads28k—~1.2kAutomated safety check: PassMIT
Beadsliwp/again1186 repos~537Automated safety check: PassEPL-1.0
Beadsmatthiasn/lotti1.2k—~589Automated safety check: PassGPL-3.0
Mex RelayBenCodez/VotingPlugin1001 repos~1.1kAutomated safety check: PassCustom licence
Gh Issuesserejaris/personal-corp-os229—~1.8kAutomated safety check: PassMIT

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Categories

Questions about Session Checkpoint

How do I install Session Checkpoint in Claude Code?

Run `npx skills add myICOR/myPKA --skill checkpoint -a claude-code`. Or copy the skill folder (.claude/skills/checkpoint in myICOR/myPKA) into .claude/skills/checkpoint in your project. Claude Code loads it when a task matches its description.

How do I install Session Checkpoint in Codex?

Run `npx skills add myICOR/myPKA --skill checkpoint -a codex`. Or copy the skill folder (.claude/skills/checkpoint in myICOR/myPKA) into .agents/skills/checkpoint in your project. Codex loads it when a task matches its description.

Can I use Session Checkpoint in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add myICOR/myPKA --skill checkpoint -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/checkpoint, .gemini/skills/checkpoint, .github/skills/checkpoint and .opencode/skills/checkpoint in your project.

What does Session Checkpoint need to run?

Going by SKILL.md and its folder, Session Checkpoint needs the command-line tools its instructions call (python3). Its frontmatter pre-approves these tools: Bash.

Does Session Checkpoint access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Session Checkpoint safe to install?

Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Session Checkpoint use?

Session Checkpoint is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Session Checkpoint use?

About 445 tokens (SKILL.md is roughly 1.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Session Checkpoint?

Skills that share tags, products or a category with Session Checkpoint: Beads Task Memory (gastownhall/beads, 28k stars), Beads (liwp/again, 118 stars), Beads (matthiasn/lotti, 1.2k stars) and Mex Relay (BenCodez/VotingPlugin, 100 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Session Checkpoint?

myICOR (a GitHub organization) maintains it in myICOR/myPKA, which has 307 GitHub stars. The repository holds 9 skills in this directory. The repository was last updated on October 5, 2026.

Source: myICOR/myPKA on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.