Checks whether registered notebooks have current, stale, or missing outputs.

Custom licenceAuto-check: notesData & Analytics

Install Freeze Check

skills CLI
$ npx skills add brycewang-stanford/Auto-Empirical-Research-Skills --skill freeze-check -a claude-code

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

GitHub CLI
$ gh skill install brycewang-stanford/Auto-Empirical-Research-Skills freeze-check --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/brycewang-stanford/Auto-Empirical-Research-Skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/29-quarcs-lab-project20XXy/dot-claude/skills/freeze-check .claude/skills/freeze-check && 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
freeze-check
GitHub stars
4.6k
Token cost
~513 tokens
SKILL.md length
213 words
Files
1
Skills in repo
383
Repo updated
First seen
Licence
Custom licence

At a glance

Checks whether registered notebooks have current, stale, or missing outputs.

  • Works in 6 steps: Read _quarto.yml and extract all… → For each registered notebook, check → Determine freshness status for each… → …
  • Data & Analytics work in your project
  • SKILL.md covers Steps and Error handling
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Freeze Check is an agent skill from brycewang-stanford/Auto-Empirical-Research-Skills. Checks whether registered notebooks have current, stale, or missing outputs. Use before rendering or to verify freshness.

Its SKILL.md is about 510 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Data & Analytics. It works with Jupyter. The repository describes itself as: 🔬 A curated collection of 23,000+ agent skills for empirical research across 8 social science disciplines. | 精选 23,000+ AI Agent 技能库,覆盖8大社会科学学科的实证研究。CoPaper.AI…

When your agent uses it

  • Data & Analytics work in your project

Example prompts

  • “Use the freeze-check skill to check whether registered notebooks have current, stale, or missing outputs”
  • “/freeze-check”

Requirements

  • Pre-approved tools (allowed-tools): Bash, Read, Glob, Grep

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

  1. Read _quarto.yml and extract all notebook paths from manuscript.notebooks.
  2. For each registered notebook, check
  3. Determine freshness status for each notebook
  4. Report a summary table
  5. If any notebooks are stale or unexecuted, flag them and offer to run /project:execute to re-execute all notebooks.
  6. If all notebooks are current, report "All notebooks are up to date."

What it can do on your machine

Read from SKILL.md and the folder at commit 9fa87d8. 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
    • Read
    • Glob
    • Grep

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    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

Freeze Check loads about 513 tokens when it runs. Until then it costs about 34 tokens; SKILL.md has 213 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~34
When it runs · the whole SKILL.md, loaded when a task matches
~513

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, Read, Glob, Grep

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

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 213 words (~513 tokens).

“Verify that all registered notebooks have been executed and their outputs are current.”

— opening of SKILL.md by brycewang-stanford, Custom licence
name
freeze-check
allowed-tools
Bash, Read, Glob, Grep

Read the full SKILL.md on GitHub

Files

Just SKILL.md in skills/29-quarcs-lab-project20XXy/dot-claude/skills/freeze-check of brycewang-stanford/Auto-Empirical-Research-Skills.

Open the folder on GitHubat commit 9fa87d8

Compare with similar skills

Freeze Check 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.

Freeze Check compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Freeze Check this skillbrycewang-stanford/Auto-Empirical-Research-Skills4.6k—~513Automated safety check: NotesCustom licence
Jupyter Notebookmicrosoft/ai-agents-for-beginners77k8 repos~1kAutomated safety check: PassApache-2.0
Migrate Glue Devendpoint To Interactive Sessionsaws-samples/aws-glue-samples1.5k—~3.6kAutomated safety check: PassMIT-0
Notebook For ExperimentJetBrains/intellij-community21k—~4.4kAutomated safety check: WarnCustom licence
Jupyter To Marimoericmjl/llamabot1832 repos~475Automated safety check: PassNone
Release Evidence WorkflowAli-Marandi/ClimateDataAnalyzer107—~1.6kAutomated safety check: PassMIT

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Works with

Questions about Freeze Check

What does Freeze Check do?

Checks whether registered notebooks have current, stale, or missing outputs. Freeze Check is an agent skill from brycewang-stanford/Auto-Empirical-Research-Skills. Checks whether registered notebooks have current, stale, or missing outputs.

When should I use Freeze Check?

Freeze Check fits situations like: data & Analytics work in your project.

How do I install Freeze Check in Claude Code?

Run `npx skills add brycewang-stanford/Auto-Empirical-Research-Skills --skill freeze-check -a claude-code`. Or copy the skill folder (skills/29-quarcs-lab-project20XXy/dot-claude/skills/freeze-check in brycewang-stanford/Auto-Empirical-Research-Skills) into .claude/skills/freeze-check in your project. Claude Code loads it when a task matches its description.

How do I install Freeze Check in Codex?

Run `npx skills add brycewang-stanford/Auto-Empirical-Research-Skills --skill freeze-check -a codex`. Or copy the skill folder (skills/29-quarcs-lab-project20XXy/dot-claude/skills/freeze-check in brycewang-stanford/Auto-Empirical-Research-Skills) into .agents/skills/freeze-check in your project. Codex loads it when a task matches its description.

Can I use Freeze Check 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 brycewang-stanford/Auto-Empirical-Research-Skills --skill freeze-check -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/freeze-check, .gemini/skills/freeze-check, .github/skills/freeze-check and .opencode/skills/freeze-check in your project.

What does Freeze Check need to run?

SKILL.md names no scripts, command-line tools or credentials: Freeze Check is instructions for the agent only. Its frontmatter pre-approves these tools: Bash, Read, Glob, Grep.

Does Freeze Check 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 Freeze Check 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 Freeze Check use?

Freeze Check has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Freeze Check use?

About 513 tokens (SKILL.md is roughly 2.1k 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 Freeze Check?

Skills that share tags, products or a category with Freeze Check: Jupyter Notebook (microsoft/ai-agents-for-beginners, 77k stars), Migrate Glue Devendpoint To Interactive Sessions (aws-samples/aws-glue-samples, 1.5k stars), Notebook For Experiment (JetBrains/intellij-community, 21k stars) and Jupyter To Marimo (ericmjl/llamabot, 183 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Freeze Check?

brycewang-stanford (a GitHub user) maintains it in brycewang-stanford/Auto-Empirical-Research-Skills, which has 4,556 GitHub stars. The repository holds 383 skills in this directory. The repository was last updated on October 5, 2026.

Source: brycewang-stanford/Auto-Empirical-Research-Skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.