Validate simulations before, during, and after execution. An agent skill from FreedomIntelligence/OpenClaw-Medical-Skills.

No licenceAuto-check: notes

Install Simulation Validator

skills CLI
$ npx skills add FreedomIntelligence/OpenClaw-Medical-Skills --skill simulation-validator -a claude-code

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

GitHub CLI
$ gh skill install FreedomIntelligence/OpenClaw-Medical-Skills simulation-validator --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/FreedomIntelligence/OpenClaw-Medical-Skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/simulation-validator .claude/skills/simulation-validator && 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
simulation-validator
GitHub stars
3.1k
Used in
1 other repo
Token cost
~1.6k tokens
SKILL.md length
510 words
Files
7 (incl. scripts, references)
Skills in repo
170
Repo updated
First seen
Licence
None found

At a glance

Validate simulations before, during, and after execution. An agent skill from FreedomIntelligence/OpenClaw-Medical-Skills.

  • Works in 3 steps: Pre-flight (Before Simulation) → Runtime (During Simulation) → Post-flight (After Simulation)
  • Pre-flight checks
  • SKILL.md covers Goal, Requirements, Inputs to Gather and Decision Guidance, plus 8 more sections
  • Runs Python scripts from its folder; calls python3

What it does

Simulation Validator is an agent skill from FreedomIntelligence/OpenClaw-Medical-Skills. Validate simulations before, during, and after execution. Use for pre-flight checks, runtime monitoring, post-run validation, diagnosing failed simulations, checking convergence, detecting NaN/Inf, or verifying mass/energy conservation.

Its SKILL.md is about 1.6k tokens, which your agent loads only when the skill is triggered. The skill folder holds 8 other files, including scripts and reference files (for example `references/log_patterns.md`, `references/validation_protocol.md` and `scripts/failure_diagnoser.py`).

The repository describes itself as: The largest open-source medical AI skills library for OpenClaw🦞.

When your agent uses it

  • Pre-flight checks
  • Runtime monitoring
  • Post-run validation
  • Diagnosing failed simulations

Example prompts

  • “/simulation-validator”

Requirements

  • Python 3
  • Pre-approved tools (allowed-tools): Read, Bash, Write, Grep, Glob

Workflow steps

3 steps, taken from the step headings in SKILL.md.

  1. Pre-flight (Before Simulation)
  2. Runtime (During Simulation)
  3. Post-flight (After Simulation)

What it can do on your machine

Read from SKILL.md and the folder at commit b1f9b6e. 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:

    • Read
    • Bash
    • Write
    • Grep
    • Glob

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 4 files in scripts/ (Python), which the agent can run.

    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

Simulation Validator loads about 1.6k tokens when it runs, and up to ~4.8k if it reads all its reference files. Until then it costs about 64 tokens; SKILL.md has 510 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~64
When it runs · the whole SKILL.md, loaded when a task matches
~1.6k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~4.8k

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: Read, Bash, Write, Grep, Glob

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); the scripts in this folder are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 510 words (~1,610 tokens).

“Provide a three-stage validation protocol: pre-flight checks, runtime monitoring, and post-flight validation for materials simulations.”

— opening of SKILL.md by FreedomIntelligence
name
simulation-validator
allowed-tools
Read, Bash, Write, Grep, Glob

Read the full SKILL.md on GitHub

Files

SKILL.md and 6 other files (scripts, references) in skills/simulation-validator of FreedomIntelligence/OpenClaw-Medical-Skills.

  • SKILL.md
  • references/log_patterns.md
  • references/validation_protocol.md
  • scripts/failure_diagnoser.py
  • scripts/preflight_checker.py
  • scripts/result_validator.py
  • scripts/runtime_monitor.py

Open the folder on GitHubat commit b1f9b6e

Used in 1 other repository

We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in FreedomIntelligence/OpenClaw-Medical-Skills, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Simulation Validator 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.

Simulation Validator compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Simulation Validator this skillFreedomIntelligence/OpenClaw-Medical-Skills3.1k1 repos~1.6kAutomated safety check: NotesNone
Flightsasgeirtj/system_prompts_leaks69k—~2.1kAutomated safety check: PassCC0-1.0
Flightscodewhale-hq/Codewhale41k—~258Automated safety check: PassMIT
Form Validationthedaviddias/Front-End-Checklist74k—~633Automated safety check: PassMIT
Navifare Flight ValidatorLeoYeAI/openclaw-master-skills2.2k—~4.7kAutomated safety check: PassMIT
Validateagenticnotetaking/arscontexta3.5k—~3kAutomated safety check: PassMIT

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Questions about Simulation Validator

What does Simulation Validator do?

Validate simulations before, during, and after execution. An agent skill from FreedomIntelligence/OpenClaw-Medical-Skills. Simulation Validator is an agent skill from FreedomIntelligence/OpenClaw-Medical-Skills. Validate simulations before, during, and after execution.

When should I use Simulation Validator?

Simulation Validator fits situations like: pre-flight checks; runtime monitoring; post-run validation; diagnosing failed simulations.

How do I install Simulation Validator in Claude Code?

Run `npx skills add FreedomIntelligence/OpenClaw-Medical-Skills --skill simulation-validator -a claude-code`. Or copy the skill folder (skills/simulation-validator in FreedomIntelligence/OpenClaw-Medical-Skills) into .claude/skills/simulation-validator in your project. Claude Code loads it when a task matches its description.

How do I install Simulation Validator in Codex?

Run `npx skills add FreedomIntelligence/OpenClaw-Medical-Skills --skill simulation-validator -a codex`. Or copy the skill folder (skills/simulation-validator in FreedomIntelligence/OpenClaw-Medical-Skills) into .agents/skills/simulation-validator in your project. Codex loads it when a task matches its description.

Can I use Simulation Validator 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 FreedomIntelligence/OpenClaw-Medical-Skills --skill simulation-validator -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/simulation-validator, .gemini/skills/simulation-validator, .github/skills/simulation-validator and .opencode/skills/simulation-validator in your project.

What does Simulation Validator need to run?

Going by SKILL.md and its folder, Simulation Validator needs Python for the scripts in its folder and the command-line tools its instructions call (python3). Our summary lists: Python 3. Its frontmatter pre-approves these tools: Read, Bash, Write, Grep, Glob.

Does Simulation Validator 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 Simulation Validator 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. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Simulation Validator use?

No licence was found for Simulation Validator or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Simulation Validator use?

About 1.6k tokens (SKILL.md is roughly 6.4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 3.2k tokens, read only when the agent opens those files.

What are the alternatives to Simulation Validator?

Skills that share tags, products or a category with Simulation Validator: Flights (asgeirtj/system_prompts_leaks, 69k stars), Flights (codewhale-hq/Codewhale, 41k stars), Form Validation (thedaviddias/Front-End-Checklist, 74k stars) and Navifare Flight Validator (LeoYeAI/openclaw-master-skills, 2.2k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Simulation Validator?

FreedomIntelligence (a GitHub organization) maintains it in FreedomIntelligence/OpenClaw-Medical-Skills, which has 3,052 GitHub stars. The repository holds 170 skills in this directory. The repository was last updated on July 21, 2026.

Source: FreedomIntelligence/OpenClaw-Medical-Skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.