azure-dev: Skill for Claude Code

.github/skills/foundry-extension-scenario-pr-regression/SKILL.md

foundry-extension-scenario-pr-regression is a skill for Claude Code, Codex from Azure/azure-dev. It costs 231 tokens per session (1,402 once invoked), scanned A, original, MIT.

A local pull-request regression workflow for the Azure AI Agents command-line extension. It selects affected interactive scenarios, runs them with a tester service, and reports each result on the pull request.

In plain words
What is it for?
Use it before merging changes to run only the impacted command-line scenarios and post a per-scenario regression report.
Why use it?
It checks changes that are not covered by continuous integration, while separating offline checks from checks that need Azure access or may create cloud costs.

Skill for Claude CodeCodex ✓ vendor

Written for no agent in particular: nothing here depends on one. Also seen: mentions AGENTS.md.

This is Azure/azure-dev's own configuration. It tells Claude Code and Codex how to work on azure-dev itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything azure-dev configures →

About the project

Azure Developer CLI (azd) is a command-line tool for building, deploying, and operating applications on Azure. Developers use it to move through application workflows such as coding, building, deployment, and monitoring with Azure templates and resources. Its catalogue entries help AI agents work with azd and Azure application projects.

Azure/azure-dev · 570 stars · on GitHub · aka.ms

Reuse

Borrowing it

Nothing to install: this file belongs to Azure/azure-dev. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/Azure/azure-dev/main/.github/skills/foundry-extension-scenario-pr-regression/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/Azure/azure-dev

Made for: Claude Code, Codex.

Wrote this? Show the measurements

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README.md
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Your own site · 80×15
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Per session 231 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,402 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00231 $0.01402
Opus 5.5 $0.00092 $0.00561
Sonnet 5.5 $0.00046 $0.00280
Haiku 4.5 $0.00023 $0.00140

Measured 1mo ago against content hash 64b3e00b9e74, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

foundry-extension-scenario-pr-regression 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 1mo ago.

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.

.github/skills/foundry-extension-scenario-pr-regression/SKILL.md · 103 lines

How it starts

The opening of the file, as written. The whole thing — 103 lines — stays where its author put it; the contents beside it link to each section on GitHub.

foundry-extension-scenario-pr-regression

Runs the azure.ai.agents extension's interactive CLI scenarios as a local PR regression gate and reports the results back on the pull request.

Overview

The azure.ai.agents extension ships goal-based scenarios for the cli-interactive-tester MCP server under cli/azd/extensions/azure.ai.agents/tests/cli-interactive-tester-scenarios/. These scenarios are never run in CI — they need the tester MCP server, a populated profile.local.yaml, manual az/gh login, and (for Tier 2) real Azure resources.

Tools invoked: git CLI, gh CLI, cli-interactive-tester MCP tools (list_scenarios, load_scenario, run_pre_hooks, start_session, send_action, finish_session, run_post_hooks), the foundry-extension-scenario-worker agent, and ask_user.

This skill is the opt-in, run-locally flow a PR submitter uses to check their change for regressions. It:

  1. Resolves the current branch's PR link.
  2. Maps the PR's changed files to the impacted scenario tag set (cmd:* / tier:*).
  3. Enumerates and drives only the impacted scenarios through the tester.
  4. Posts a per-scenario results comment back on the PR.

It is cost- and side-effect-aware: Tier 0 is free/offline, Tier 1 needs Azure auth but provisions nothing, Tier 1b (verify-deploy) provisions per-scenario Azure resources to verify Tier 1 scaffolds actually deploy, and Tier 2 incurs Azure cost for cloud-feature testing — both Tier 1b and Tier 2 are only run after explicit user confirmation.

This skill selects what to run (PR impact → tags) and owns the PR reporting. It does not re-document how a scenario is driven — that is the executor spec at cli/azd/extensions/azure.ai.agents/tests/cli-interactive-tester-scenarios/driving-mechanics.md, which the spawned foundry-extension-scenario-worker agent follows for each scenario. This skill is the selection-strategy half of the foundry-extension-scenario-orchestrator front door; the orchestrator may dispatch it, or it may trigger directly.

Read the full file on GitHub · 103 lines

Files

What ships with it

4 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.

  1. 1mo ago Changed · +2 lines · -63 tokens per session 64b3e00b9e74
  2. 1mo ago First seen · 101 lines · 294 tokens per session scan A ac5d40bdb821

Subscribe to this mod's changes

foundry-extension-scenario-pr-regression is a skill published in the GitHub repository Azure/azure-dev (570 stars, last pushed today), licensed MIT. It adds 231 tokens to every session and 1,402 once invoked, about $0.0009 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 2026-09-10.

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