Paper to Chinese Patent Drafter
Yuan1z0825/nature-skills
Drafts Chinese invention patent applications and technical disclosures from research papers or inventor materials, tying each claim feature to source evidence.
Trigger this skill when you need to assess how legal outcomes would differ if a given fact, act, or condition did not exist or were altered.
Install Counterfactual Reasoning
$ npx skills add THUYRan/Legal-Skills-Chinese --skill counterfactual-reasoning -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install THUYRan/Legal-Skills-Chinese counterfactual-reasoning --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/THUYRan/Legal-Skills-Chinese.git skills-src && mkdir -p .claude/skills && cp -r skills-src/English/skills/counterfactual-reasoning .claude/skills/counterfactual-reasoning && rm -rf skills-srcUse ~/.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/
Install the "counterfactual-reasoning" agent skill from https://github.com/THUYRan/Legal-Skills-Chinese/tree/main/English/skills/counterfactual-reasoning into .claude/skills/counterfactual-reasoning/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "counterfactual-reasoning", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/THUYRan/Legal-Skills-Chinese/tree/main/English/skills/counterfactual-reasoningType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add THUYRan/Legal-Skills-Chinese --skill counterfactual-reasoning -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install THUYRan/Legal-Skills-Chinese counterfactual-reasoning --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/THUYRan/Legal-Skills-Chinese.git skills-src && mkdir -p .agents/skills && cp -r skills-src/English/skills/counterfactual-reasoning .agents/skills/counterfactual-reasoning && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "counterfactual-reasoning" agent skill from https://github.com/THUYRan/Legal-Skills-Chinese/tree/main/English/skills/counterfactual-reasoning into .agents/skills/counterfactual-reasoning/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "counterfactual-reasoning", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add THUYRan/Legal-Skills-Chinese --skill counterfactual-reasoning -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install THUYRan/Legal-Skills-Chinese counterfactual-reasoning --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/THUYRan/Legal-Skills-Chinese.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/English/skills/counterfactual-reasoning .cursor/skills/counterfactual-reasoning && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "counterfactual-reasoning" agent skill from https://github.com/THUYRan/Legal-Skills-Chinese/tree/main/English/skills/counterfactual-reasoning into .cursor/skills/counterfactual-reasoning/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "counterfactual-reasoning", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/THUYRan/Legal-Skills-Chinese.git --path English/skills/counterfactual-reasoning--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add THUYRan/Legal-Skills-Chinese --skill counterfactual-reasoning -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install THUYRan/Legal-Skills-Chinese counterfactual-reasoning --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/THUYRan/Legal-Skills-Chinese.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/English/skills/counterfactual-reasoning .gemini/skills/counterfactual-reasoning && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "counterfactual-reasoning" agent skill from https://github.com/THUYRan/Legal-Skills-Chinese/tree/main/English/skills/counterfactual-reasoning into .gemini/skills/counterfactual-reasoning/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "counterfactual-reasoning", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install THUYRan/Legal-Skills-Chinese counterfactual-reasoningInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add THUYRan/Legal-Skills-Chinese --skill counterfactual-reasoning -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/THUYRan/Legal-Skills-Chinese.git skills-src && mkdir -p .github/skills && cp -r skills-src/English/skills/counterfactual-reasoning .github/skills/counterfactual-reasoning && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "counterfactual-reasoning" agent skill from https://github.com/THUYRan/Legal-Skills-Chinese/tree/main/English/skills/counterfactual-reasoning into .github/skills/counterfactual-reasoning/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "counterfactual-reasoning", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add THUYRan/Legal-Skills-Chinese --skill counterfactual-reasoning -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install THUYRan/Legal-Skills-Chinese counterfactual-reasoning --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/THUYRan/Legal-Skills-Chinese.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/English/skills/counterfactual-reasoning .opencode/skills/counterfactual-reasoning && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "counterfactual-reasoning" agent skill from https://github.com/THUYRan/Legal-Skills-Chinese/tree/main/English/skills/counterfactual-reasoning into .opencode/skills/counterfactual-reasoning/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "counterfactual-reasoning", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
counterfactual-reasoning- GitHub stars
- 874
- Token cost
- ~12k tokens
- SKILL.md length
- 3,237 words
- Files
- 1
- Skills in repo
- 71
- Repo updated
- First seen
- Licence
- None found
At a glance
Trigger this skill when you need to assess how legal outcomes would differ if a given fact, act, or condition did not exist or were altered.
- Works in 10 steps: Identify the Need for Counterfactual… → Precisely Define the Target Variable → Precisely Define the Outcome Variable → …
- This skill when you need to assess how legal outcomes would differ if a given fact
- SKILL.md covers I. Overview Table, II. Legal Disclaimer, III. Core Concepts and IV. Complete Workflow, plus 5 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Counterfactual Reasoning is an agent skill from THUYRan/Legal-Skills-Chinese. Trigger this skill when you need to assess how legal outcomes would differ if a given fact, act, or condition did not exist or were altered. Typical trigger scenarios include: causation determinations (whether harm would still have occurred without the act), allocation of fault and liability shares, delimiting the scope of damages, calculating contract breach losses, hypothetical legality tests for administrative acts, assessing interruption of criminal causation, and legislative impact assessment. The core…
Its SKILL.md is about 12k 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 Legal & Compliance.
When your agent uses it
- This skill when you need to assess how legal outcomes would differ if a given fact
- Condition did not exist
- Scenarios include: causation determinations (whether harm would still have occurred without the act)
- Allocation of fault and liability shares
Example prompts
- “counterfactual world”
- “/counterfactual-reasoning”
Workflow steps
10 steps, taken from the step headings in SKILL.md.
- Identify the Need for Counterfactual Reasoning
- Precisely Define the Target Variable
- Precisely Define the Outcome Variable
- Lock Background Conditions
- Construct the Counterfactual World
- Project Outcomes in the Counterfactual World
- Compare the Two Worlds
- Extract Legal Conclusions from the Comparison
- Confidence Assessment and Qualifications
- Integrate into the Overall Legal Analysis
What it can do on your machine
Read from SKILL.md and the folder at commit c31ef1f. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are markdown).
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
Counterfactual Reasoning loads about 12k tokens when it runs. Until then it costs about 193 tokens; SKILL.md has 3,237 words of instructions outside code blocks.
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 passed
The automated check found no risky patterns in SKILL.md.
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
Without a licence we can't republish the file, so here is its outline and opening line. It has 3,237 words (~12,412 tokens).
“Counterfactual reasoning is a hypothetical method of causal analysis. Its core logical structure is:”
- name
- counterfactual-reasoning
Files
Just SKILL.md in English/skills/counterfactual-reasoning of THUYRan/Legal-Skills-Chinese.
Open the folder on GitHubat commit c31ef1f
Compare with similar skills
Counterfactual Reasoning 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Counterfactual Reasoning this skillTHUYRan/Legal-Skills-Chinese | 874 | — | ~12k | Automated safety check: Pass | None | |
| Paper to Chinese Patent DrafterYuan1z0825/nature-skills | 47k | 1 repos | ~1.1k | Automated safety check: Pass | Apache-2.0 | |
| C15tc15t/c15t | 1.9k | 1 repos | ~1.6k | Automated safety check: Pass | Apache-2.0 | |
| Contract Reviewevolsb/claude-legal-skill | 464 | 1 repos | ~3.6k | Automated safety check: Pass | MIT | |
| Legal Clinic Client Intakeanthropics/claude-for-legal | 9.6k | 3 repos | ~3.2k | Automated safety check: Pass | Apache-2.0 | |
| Paper To Cn Patentsnipp-zha/Paper-to-patent-Skill | 107 | 1 repos | ~959 | Automated safety check: Pass | None |
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Categories
Questions about Counterfactual Reasoning
What does Counterfactual Reasoning do?
Trigger this skill when you need to assess how legal outcomes would differ if a given fact, act, or condition did not exist or were altered. Counterfactual Reasoning is an agent skill from THUYRan/Legal-Skills-Chinese. Trigger this skill when you need to assess how legal outcomes would differ if a given fact, act, or condition did not exist or were altered.
When should I use Counterfactual Reasoning?
Counterfactual Reasoning fits situations like: this skill when you need to assess how legal outcomes would differ if a given fact; condition did not exist; scenarios include: causation determinations (whether harm would still have occurred without the act); allocation of fault and liability shares.
How do I install Counterfactual Reasoning in Claude Code?
Run `npx skills add THUYRan/Legal-Skills-Chinese --skill counterfactual-reasoning -a claude-code`. Or copy the skill folder (English/skills/counterfactual-reasoning in THUYRan/Legal-Skills-Chinese) into .claude/skills/counterfactual-reasoning in your project. Claude Code loads it when a task matches its description.
How do I install Counterfactual Reasoning in Codex?
Run `npx skills add THUYRan/Legal-Skills-Chinese --skill counterfactual-reasoning -a codex`. Or copy the skill folder (English/skills/counterfactual-reasoning in THUYRan/Legal-Skills-Chinese) into .agents/skills/counterfactual-reasoning in your project. Codex loads it when a task matches its description.
Can I use Counterfactual Reasoning 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 THUYRan/Legal-Skills-Chinese --skill counterfactual-reasoning -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/counterfactual-reasoning, .gemini/skills/counterfactual-reasoning, .github/skills/counterfactual-reasoning and .opencode/skills/counterfactual-reasoning in your project.
What does Counterfactual Reasoning need to run?
SKILL.md names no scripts, command-line tools or credentials: Counterfactual Reasoning is instructions for the agent only.
Does Counterfactual Reasoning 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 Counterfactual Reasoning safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Counterfactual Reasoning use?
No licence was found for Counterfactual Reasoning or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Counterfactual Reasoning use?
About 12k tokens (SKILL.md is roughly 50k 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 Counterfactual Reasoning?
Skills that share tags, products or a category with Counterfactual Reasoning: Paper to Chinese Patent Drafter (Yuan1z0825/nature-skills, 47k stars), C15t (c15t/c15t, 1.9k stars), Contract Review (evolsb/claude-legal-skill, 464 stars) and Legal Clinic Client Intake (anthropics/claude-for-legal, 9.6k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Counterfactual Reasoning?
THUYRan (a GitHub user) maintains it in THUYRan/Legal-Skills-Chinese, which has 874 GitHub stars. The repository holds 71 skills in this directory. The repository was last updated on August 22, 2026.
Source: THUYRan/Legal-Skills-Chinese on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.