A tool that runs a rules-based quality gate and ranks review findings. A quality gate is a formal check for blockers before a deliverable can be sent to its intended audience.

Use it to check required wording, recipient restrictions, unsupported claims, prior findings, and other issues that may block client release.

It makes release blockers and review status explicit instead of leaving them to informal judgement.

gate-check — Skill for Claude Code and Codex by microsoft

About the project

microsoft/cat-agent-skills is a static website that catalogs reusable instruction sets and related packages for AI agents. People use it to search, filter, rate, and download skills for Cowork, Copilot Studio, and Scout, along with Copilot plugins and Scout automations. The catalogue entries are the skills, instructions, plugins, and settings displayed by the site.

microsoft/cat-agent-skills · 101 stars · on GitHub

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent

npx skills add microsoft/cat-agent-skills --skill gate-check

Clone the repo

git clone --depth 1 https://github.com/microsoft/cat-agent-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/skills/microsoft/cat-agent-skills/gate-check/github.svg)](https://agentmods.dev/skills/microsoft/cat-agent-skills/gate-check)

Your own site

<a href="https://agentmods.dev/skills/microsoft/cat-agent-skills/gate-check"><img src="https://agentmods.dev/badge/skills/microsoft/cat-agent-skills/gate-check/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/skills/microsoft/cat-agent-skills/gate-check"><img src="https://agentmods.dev/badge/skills/microsoft/cat-agent-skills/gate-check.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 170 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 3,399 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00170	$0.03399
Opus 5.5	$0.00068	$0.01360
Sonnet 5.5	$0.00034	$0.00680
Haiku 4.5	$0.00017	$0.00340

Measured yesterday against content hash e4de92053321, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

gate-check scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

The scan reads SKILL.md. This mod also ships 5 executable files (scripts/assertion_map.py, scripts/assertion_rules.py, scripts/gate_check.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

submissions/deliverable-review-quality-gate/skills/gate-check/SKILL.md · 70 lines

How it starts

The opening of the file, as written. The whole thing — 70 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Gate Check (Govern)

Purpose

Apply QRM gate criteria deterministically and rank issues for partner/QRM review. Govern is explicit because firm-risk review status is a control, not model judgement.

When to use

After assertion-map in every run, and on any question about blockers, required language, third-party recipients, prior-finding closure or issue ranking.

Inputs

assertion-mapped.json under contract ps.deliverable-review-quality-gate.v1, and the review-input.json it was mapped from (both engines need it to re-derive their input). If assertion-mapped.json is missing but review-input.json is available, run the bundled scripts/assertion_map.py (a byte-identical copy of the assertion-map engine) first with the same --generated-at value. If review-input.json is not available, stop and report the missing upstream artifact.

Steps

Every engine this skill runs is bundled in its own scripts/; scripts/ paths are relative to this skill's folder.

If assertion-mapped.json is missing and review-input.json exists, run python scripts/assertion_map.py --input review-input.json --out assertion-mapped.json --generated-at <ISO timestamp>.
Run python scripts/gate_check.py --mapped assertion-mapped.json --input review-input.json --out gate-checked.json --generated-at <ISO timestamp>.
Run python scripts/severity_rank.py --gates gate-checked.json --input review-input.json --out severity-ranked.json --generated-at <ISO timestamp>.
If any engine exits non-zero, stop and report; never hand-compute findings, counts, severity, order or status.
Quote gate statuses, findings, severity, rank and release_readiness.status verbatim.
Pass ranked output to review-packet.

Output

gate-checked.json and severity-ranked.json with gate_results[], findings[], ranked_findings[], release_readiness, escalations and citations.

Output format

Markdown table: rank, finding_id, gate_id, severity, title, location, criteria_section, confidence and citation; then the exact release_readiness.status.

| rank | finding_id | gate_id | severity | title | location | criteria_section | confidence | citation |
|---|---|---|---|---|---|---|---|---|
Release readiness: `<release_readiness.status>`

Read the full file on GitHub · 70 lines

Files

What ships with it

9 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

yesterday First seen · 70 lines · 170 tokens per session scan A e4de92053321

Subscribe to this mod's changes

gate-check is a skill published in the GitHub repository microsoft/cat-agent-skills (101 stars, last pushed yesterday), licensed MIT. It adds 170 tokens to every session and 3,399 once invoked, about $0.0007 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-11-07.

Legal and compliance Project management

gate-check next to 6 skills from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
gate-checkmicrosoft/cat-agent-skills	Skill	101	yesterday	MIT	A	170	Claude Code, Codex
fto-triageanthropics/claude-for-legal	Skill	9.9k	yesterday	Apache-2.0	A	81	Claude Code
legal-holdanthropics/claude-for-legal	Skill	9.9k	yesterday	Apache-2.0	A	68	Claude Code
specification-writingwanshuiyin/Auto-claude-code-research-in-sleep	Skill	19k	today	MIT	A	49	Claude Code
regulatory-research-fallbackHKUDS/OpenSpace	Skill	7.9k	2d ago	MIT	A	20	Claude Code, Codex
terms-of-servicegenspark-ai/genoffice	Skill	12k	today	Apache-2.0	A	32	Claude Code, Codex
x-scorecardx-cmd/x-cmd	Skill	4.7k	8d ago	Apache-2.0	A	57	Claude Code, Codex