Amazon Buy Box Monitor
browser-act/skills
Pulls Amazon product details, competing seller prices and seller ratings for a given ASIN through the BrowserAct API, without browser automation.
Classify ecommerce claims as FACT, INFERENCE, or UNKNOWN using traceable evidence.
Install Commerce Fact Safety
$ npx skills add harukiseller-droid/commerce-agent-bench --skill commerce-fact-safety -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install harukiseller-droid/commerce-agent-bench commerce-fact-safety --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/harukiseller-droid/commerce-agent-bench.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/commerce-fact-safety .claude/skills/commerce-fact-safety && 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 "commerce-fact-safety" agent skill from https://github.com/harukiseller-droid/commerce-agent-bench/tree/main/.agents/skills/commerce-fact-safety into .claude/skills/commerce-fact-safety/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "commerce-fact-safety", 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/harukiseller-droid/commerce-agent-bench/tree/main/.agents/skills/commerce-fact-safetyType 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 harukiseller-droid/commerce-agent-bench --skill commerce-fact-safety -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install harukiseller-droid/commerce-agent-bench commerce-fact-safety --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/harukiseller-droid/commerce-agent-bench.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.agents/skills/commerce-fact-safety .agents/skills/commerce-fact-safety && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "commerce-fact-safety" agent skill from https://github.com/harukiseller-droid/commerce-agent-bench/tree/main/.agents/skills/commerce-fact-safety into .agents/skills/commerce-fact-safety/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "commerce-fact-safety", 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 harukiseller-droid/commerce-agent-bench --skill commerce-fact-safety -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install harukiseller-droid/commerce-agent-bench commerce-fact-safety --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/harukiseller-droid/commerce-agent-bench.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.agents/skills/commerce-fact-safety .cursor/skills/commerce-fact-safety && 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 "commerce-fact-safety" agent skill from https://github.com/harukiseller-droid/commerce-agent-bench/tree/main/.agents/skills/commerce-fact-safety into .cursor/skills/commerce-fact-safety/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "commerce-fact-safety", 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/harukiseller-droid/commerce-agent-bench.git --path .agents/skills/commerce-fact-safety--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 harukiseller-droid/commerce-agent-bench --skill commerce-fact-safety -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install harukiseller-droid/commerce-agent-bench commerce-fact-safety --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/harukiseller-droid/commerce-agent-bench.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.agents/skills/commerce-fact-safety .gemini/skills/commerce-fact-safety && 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 "commerce-fact-safety" agent skill from https://github.com/harukiseller-droid/commerce-agent-bench/tree/main/.agents/skills/commerce-fact-safety into .gemini/skills/commerce-fact-safety/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "commerce-fact-safety", 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 harukiseller-droid/commerce-agent-bench commerce-fact-safetyInstalls 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 harukiseller-droid/commerce-agent-bench --skill commerce-fact-safety -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/harukiseller-droid/commerce-agent-bench.git skills-src && mkdir -p .github/skills && cp -r skills-src/.agents/skills/commerce-fact-safety .github/skills/commerce-fact-safety && 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 "commerce-fact-safety" agent skill from https://github.com/harukiseller-droid/commerce-agent-bench/tree/main/.agents/skills/commerce-fact-safety into .github/skills/commerce-fact-safety/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "commerce-fact-safety", 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 harukiseller-droid/commerce-agent-bench --skill commerce-fact-safety -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install harukiseller-droid/commerce-agent-bench commerce-fact-safety --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/harukiseller-droid/commerce-agent-bench.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.agents/skills/commerce-fact-safety .opencode/skills/commerce-fact-safety && 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 "commerce-fact-safety" agent skill from https://github.com/harukiseller-droid/commerce-agent-bench/tree/main/.agents/skills/commerce-fact-safety into .opencode/skills/commerce-fact-safety/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "commerce-fact-safety", 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
commerce-fact-safety- GitHub stars
- 101
- Token cost
- ~470 tokens
- SKILL.md length
- 203 words
- Files
- 1
- Skills in repo
- 10
- Repo updated
- First seen
- Licence
- MIT
At a glance
Classify ecommerce claims as FACT, INFERENCE, or UNKNOWN using traceable evidence.
- Tasks that involve E-commerce operations
- SKILL.md covers Purpose, When to use, Inputs and Required checks, plus 3 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Commerce Fact Safety is an agent skill from harukiseller-droid/commerce-agent-bench. Classify ecommerce claims as FACT, INFERENCE, or UNKNOWN using traceable evidence.
Its SKILL.md is about 470 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 Sales & Support, covering E-commerce operations. The licence is MIT.
When your agent uses it
- Tasks that involve E-commerce operations
Example prompts
- “/commerce-fact-safety”
What it can do on your machine
Read from SKILL.md and the folder at commit f818ba8. 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 json).
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
Commerce Fact Safety loads about 470 tokens when it runs. Until then it costs about 26 tokens; SKILL.md has 203 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
The full file from harukiseller-droid/commerce-agent-bench at commit f818ba8, republished under its MIT licence (© harukiseller-droid). 203 words, ~470 tokens.
Download SKILL.mdSave it as
.claude/skills/commerce-fact-safety/SKILL.md (or your agent's skills folder).- name
- commerce-fact-safety
- description
- Classify ecommerce claims as FACT, INFERENCE, or UNKNOWN using traceable evidence.
Commerce Fact Safety
Purpose
Prevent unsupported buyer-facing or structured-data claims from entering ecommerce code, content, or reviews.
When to use
Use for any change or review involving product facts, offers, schema, copy, metadata, or generated content.
Inputs
- the changed source, diff, or generated content;
- repository and runtime data sources;
- user-provided verified facts, if any.
Required checks
Inspect claims involving price, sale price, stock, inventory, rating, review count, shipping time, returns, dimensions, materials, compatibility, SKU, availability, and Product schema facts.
- Trace each claim to repository, runtime, or user-provided verified data.
- Classify directly supported values as
FACT. - Classify reasoned but unproven conclusions as
INFERENCE. - Classify unavailable or untraceable values as
UNKNOWN. - Prefer runtime platform data over hard-coded commerce values.
Output contract
Return one JSON object per material claim:
{
"status": "FACT|INFERENCE|UNKNOWN",
"severity": "low|medium|high|critical",
"fact": "",
"source": "",
"reason": "",
"recommended_action": ""
}source must identify a file/path, runtime response, or user-supplied verified source for FACT.
Failure conditions
- Never invent product specs, prices, materials, stock, shipping times, returns, ratings, reviews, certifications, guarantees, or compatibility.
- Do not upgrade an
UNKNOWNvalue because it would make copy or schema look complete. - Do not call a schema-only value verified without a visible or runtime-backed source.
Verification
Review the complete diff, rerun relevant deterministic checks, and sample every emitted claim against its cited source.
© harukiseller-droid, 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 .agents/skills/commerce-fact-safety of harukiseller-droid/commerce-agent-bench.
Open the folder on GitHubat commit f818ba8
Compare with similar skills
Commerce Fact Safety 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 |
|---|---|---|---|---|---|---|
| Commerce Fact Safety this skillharukiseller-droid/commerce-agent-bench | 101 | — | ~470 | Automated safety check: Pass | MIT | |
| Amazon Buy Box Monitorbrowser-act/skills | 6.1k | 1 repos | ~1.6k | Automated safety check: Pass | MIT | |
| Tourmind Bookingtourmind-com/Tourmind-Booking-Skills | 1.8k | — | ~13k | Automated safety check: Pass | MIT | |
| Ecommerce Image Suitewzj177/ecommerce-image-suite | 449 | — | ~10k | Automated safety check: Pass | Apache-2.0 | |
| Zach Feature Demand Validatorzach22-1999/amazon-skills | 209 | 1 repos | ~2.3k | Automated safety check: Notes | MIT | |
| Caramel CouponsDevinoSolutions/caramel | 141 | — | ~1.1k | Automated safety check: Pass | AGPL-3.0 |
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Related
Categories
Questions about Commerce Fact Safety
What does Commerce Fact Safety do?
Classify ecommerce claims as FACT, INFERENCE, or UNKNOWN using traceable evidence. Commerce Fact Safety is an agent skill from harukiseller-droid/commerce-agent-bench. Classify ecommerce claims as FACT, INFERENCE, or UNKNOWN using traceable evidence.
When should I use Commerce Fact Safety?
Commerce Fact Safety fits situations like: tasks that involve E-commerce operations.
How do I install Commerce Fact Safety in Claude Code?
Run `npx skills add harukiseller-droid/commerce-agent-bench --skill commerce-fact-safety -a claude-code`. Or copy the skill folder (.agents/skills/commerce-fact-safety in harukiseller-droid/commerce-agent-bench) into .claude/skills/commerce-fact-safety in your project. Claude Code loads it when a task matches its description.
How do I install Commerce Fact Safety in Codex?
Run `npx skills add harukiseller-droid/commerce-agent-bench --skill commerce-fact-safety -a codex`. Or copy the skill folder (.agents/skills/commerce-fact-safety in harukiseller-droid/commerce-agent-bench) into .agents/skills/commerce-fact-safety in your project. Codex loads it when a task matches its description.
Can I use Commerce Fact Safety 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 harukiseller-droid/commerce-agent-bench --skill commerce-fact-safety -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/commerce-fact-safety, .gemini/skills/commerce-fact-safety, .github/skills/commerce-fact-safety and .opencode/skills/commerce-fact-safety in your project.
What does Commerce Fact Safety need to run?
SKILL.md names no scripts, command-line tools or credentials: Commerce Fact Safety is instructions for the agent only.
Does Commerce Fact Safety 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 Commerce Fact Safety 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 Commerce Fact Safety use?
Commerce Fact Safety 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 Commerce Fact Safety use?
About 470 tokens (SKILL.md is roughly 1.9k 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 Commerce Fact Safety?
Skills that share tags, products or a category with Commerce Fact Safety: Amazon Buy Box Monitor (browser-act/skills, 6.1k stars), Tourmind Booking (tourmind-com/Tourmind-Booking-Skills, 1.8k stars), Ecommerce Image Suite (wzj177/ecommerce-image-suite, 449 stars) and Zach Feature Demand Validator (zach22-1999/amazon-skills, 209 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Commerce Fact Safety?
harukiseller-droid (a GitHub user) maintains it in harukiseller-droid/commerce-agent-bench, which has 101 GitHub stars. The repository holds 10 skills in this directory. The repository was last updated on August 12, 2026.
Source: harukiseller-droid/commerce-agent-bench on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.