Official agent skill

Auth

OfficialMITAuto-check passedBackend & APIs

Install Auth

skills CLI

$ npx skills add microsoft/apm --skill auth -a claude-code

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

GitHub CLI

$ gh skill install microsoft/apm auth --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/microsoft/apm.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.apm/skills/auth .claude/skills/auth && 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/

Paste into Claude Code

Install the "auth" agent skill from https://github.com/microsoft/apm/tree/main/.apm/skills/auth into .claude/skills/auth/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "auth", 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

$skill-installer install https://github.com/microsoft/apm/tree/main/.apm/skills/auth

Type 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.

skills CLI

$ npx skills add microsoft/apm --skill auth -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install microsoft/apm auth --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/microsoft/apm.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.apm/skills/auth .agents/skills/auth && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "auth" agent skill from https://github.com/microsoft/apm/tree/main/.apm/skills/auth into .agents/skills/auth/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "auth", 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.

skills CLI

$ npx skills add microsoft/apm --skill auth -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install microsoft/apm auth --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/microsoft/apm.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.apm/skills/auth .cursor/skills/auth && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "auth" agent skill from https://github.com/microsoft/apm/tree/main/.apm/skills/auth into .cursor/skills/auth/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "auth", 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

$ gemini skills install https://github.com/microsoft/apm.git --path .apm/skills/auth

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add microsoft/apm --skill auth -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install microsoft/apm auth --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/microsoft/apm.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.apm/skills/auth .gemini/skills/auth && rm -rf skills-src

Use ~/.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/

Paste into Gemini CLI

Install the "auth" agent skill from https://github.com/microsoft/apm/tree/main/.apm/skills/auth into .gemini/skills/auth/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "auth", 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.

GitHub CLI

$ gh skill install microsoft/apm auth

Installs 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).

skills CLI

$ npx skills add microsoft/apm --skill auth -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/microsoft/apm.git skills-src && mkdir -p .github/skills && cp -r skills-src/.apm/skills/auth .github/skills/auth && rm -rf skills-src

Use ~/.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/

Paste into GitHub Copilot

Install the "auth" agent skill from https://github.com/microsoft/apm/tree/main/.apm/skills/auth into .github/skills/auth/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "auth", 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.

skills CLI

$ npx skills add microsoft/apm --skill auth -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install microsoft/apm auth --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/microsoft/apm.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.apm/skills/auth .opencode/skills/auth && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "auth" agent skill from https://github.com/microsoft/apm/tree/main/.apm/skills/auth into .opencode/skills/auth/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "auth", 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: auth
GitHub stars: 4k
Token cost: ~756 tokens
SKILL.md length: 314 words
Files: 1
Skills in repo: 27
Repo updated: Oct 6, 2026
First seen: Oct 7, 2026
Licence: MIT

At a glance

Works in 3 steps: ADO_APM_PAT env var if set → AAD bearer via az account… → Otherwise: auth-failed error from…
Tasks that involve Authentication
SKILL.md covers When to activate, Key rule, Canonical reference and Bearer-token authentication…
Calls az and git; needs GITHUB_TOKEN and GH_TOKEN

What it does

Auth is an agent skill from microsoft/apm, published by the product's own GitHub organization. Activate when code touches token management, credential resolution, git auth flows, GITHUBAPMPAT, ADOAPMPAT, AuthResolver, HostInfo, AuthContext, or any remote host authentication -- even if 'auth' isn't mentioned explicitly.

Its SKILL.md is about 760 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 Backend & APIs, covering Authentication and Monitoring and alerting. It works with GitHub, Git and Microsoft Azure. The repository describes itself as: Agent Package Manager. The licence is MIT.

When your agent uses it

Tasks that involve Authentication
Tasks that involve Monitoring and alerting

Example prompts

“/auth”

Requirements

A credential in GITHUB_TOKEN

Workflow steps

3 steps, taken from the first numbered list in SKILL.md.

ADO_APM_PAT env var if set
AAD bearer via az account get-access-token --resource 499b84ac-1321-427f-aa17-267ca6975798 if az is installed and az account show succeeds
Otherwise: auth-failed error from build_error_context

What it can do on your machine

Read from SKILL.md and the folder at commit 280b8a7. 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
Shell commands in SKILL.md call:
- az
- git
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use az and git, which can reach the network depending on how they are called.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names these keys or tokens, usually read from environment variables:
- GITHUB_TOKEN
- GH_TOKEN
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Auth loads about 756 tokens when it runs. Until then it costs about 59 tokens; SKILL.md has 314 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~59
When it runs · the whole SKILL.md, loaded when a task matches: ~756

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 microsoft/apm at commit 280b8a7, republished under its MIT licence (© microsoft). 314 words, ~756 tokens.

Download SKILL.mdSave it as .claude/skills/auth/SKILL.md (or your agent's skills folder).

name: auth
description: Activate when code touches token management, credential resolution, git auth flows, GITHUB_APM_PAT, ADO_APM_PAT, AuthResolver, HostInfo, AuthContext, or any remote host authentication -- even if 'auth' isn't mentioned explicitly.

Auth Skill

Auth expert persona

When to activate

Any change to src/apm_cli/core/auth.py or src/apm_cli/core/token_manager.py
Code that reads GITHUB_APM_PAT, GITHUB_TOKEN, GH_TOKEN, ADO_APM_PAT
Code using git ls-remote, git clone, or GitHub/ADO API calls
Error messages mentioning tokens, authentication, or credentials
Changes to github_downloader.py auth paths
Per-host or per-org token resolution logic

Key rule

All auth flows MUST go through AuthResolver. No direct os.getenv() for token variables in application code.

Canonical reference

The full per-org -> global -> credential-fill -> fallback resolution flow is in docs/src/content/docs/getting-started/authentication.md (mermaid flowchart). Treat it as the single source of truth; if behavior diverges, fix the diagram in the same PR.

Bearer-token authentication for ADO

ADO hosts (dev.azure.com, *.visualstudio.com) resolve auth in this order:

ADO_APM_PAT env var if set
AAD bearer via az account get-access-token --resource 499b84ac-1321-427f-aa17-267ca6975798 if az is installed and az account show succeeds
Otherwise: auth-failed error from build_error_context

ADO_APM_PAT is the env var name used by the auth flow. The AAD bearer source constant lives in src/apm_cli/core/token_manager.py as GitHubTokenManager.ADO_BEARER_SOURCE = "AAD_BEARER_AZ_CLI".

Stale-PAT silent fallback: if ADO_APM_PAT is rejected with HTTP 401, APM retries with the az bearer and emits:

[!] ADO_APM_PAT was rejected for {host} (HTTP 401); fell back to az cli bearer.
[!]     Consider unsetting the stale variable.

Verbose source line (one per host, emitted under --verbose):

[i] dev.azure.com -- using bearer from az cli (source: AAD_BEARER_AZ_CLI)
[i] dev.azure.com -- token from ADO_APM_PAT

Diagnostic cases (_emit_stale_pat_diagnostic + build_error_context in src/apm_cli/core/auth.py):

No PAT, no az: No ADO_APM_PAT was set and az CLI is not installed. -> install az, run az login --tenant <tenant>, or set ADO_APM_PAT.
No PAT, az not signed in: az CLI is installed but no active session was found. -> run az login --tenant <tenant> against the tenant that owns the org, or set ADO_APM_PAT.
No PAT, wrong tenant: az CLI returned a token but the org does not accept it (likely a tenant mismatch). -> run az login --tenant <correct-tenant>, or set ADO_APM_PAT.
PAT 401, no az fallback: ADO_APM_PAT was rejected (HTTP 401) and no az cli fallback was available. -> rotate the PAT, or install az and run az login --tenant <tenant>.

Files

Just SKILL.md in .apm/skills/auth of microsoft/apm.

Open the folder on GitHubat commit 280b8a7

Compare with similar skills

Auth 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.

Auth compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
Auth this skillmicrosoft/apm	4k	—	~756	Automated safety check: Pass	MIT	yesterday
GitHub AuthRedWoodOG/Hermes-Desktop	177	3 repos	~1.9k	Automated safety check: Warn	MIT	4 mo ago
Admingrafana/skills	278	—	~1.5k	Automated safety check: Pass	Apache-2.0	yesterday
Star History Chartdavila7/claude-code-templates	32k	—	~1.1k	Automated safety check: Pass	MIT	today
Setting Up Cloudwatch Observabilityaws/agent-toolkit-for-aws	2.8k	—	~5k	Automated safety check: Pass	Apache-2.0	today
Atmos Authcloudposse/atmos	1.4k	—	~4.2k	Automated safety check: Pass	Apache-2.0	today

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Atmos Auth
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Questions about Auth

What does Auth do?

Activate when code touches token management, credential resolution, git auth flows, GITHUBAPMPAT, ADOAPMPAT, AuthResolver, HostInfo, AuthContext, or any remote host authentication -- even if 'auth'…. Auth is an agent skill from microsoft/apm, published by the product's own GitHub organization. Activate when code touches token management, credential resolution, git auth flows, GITHUBAPMPAT, ADOAPMPAT, AuthResolver, HostInfo, AuthContext, or any remote host authentication -- even if 'auth' isn't mentioned explicitly.

When should I use Auth?

Auth fits situations like: tasks that involve Authentication; tasks that involve Monitoring and alerting.

How do I install Auth in Claude Code?

Run `npx skills add microsoft/apm --skill auth -a claude-code`. Or copy the skill folder (.apm/skills/auth in microsoft/apm) into .claude/skills/auth in your project. Claude Code loads it when a task matches its description.

How do I install Auth in Codex?

Run `npx skills add microsoft/apm --skill auth -a codex`. Or copy the skill folder (.apm/skills/auth in microsoft/apm) into .agents/skills/auth in your project. Codex loads it when a task matches its description.

Can I use Auth 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 microsoft/apm --skill auth -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/auth, .gemini/skills/auth, .github/skills/auth and .opencode/skills/auth in your project.

What does Auth need to run?

Going by SKILL.md and its folder, Auth needs the command-line tools its instructions call (az and git) and credentials named GITHUB_TOKEN and GH_TOKEN. Our summary lists: A credential in GITHUB_TOKEN.

Does Auth access the network?

SKILL.md contains no URLs. Its commands use git, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Auth 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 Auth use?

Auth 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 Auth use?

About 756 tokens (SKILL.md is roughly 3k 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 Auth?

Skills that share tags, products or a category with Auth: GitHub Auth (RedWoodOG/Hermes-Desktop, 177 stars), Admin (grafana/skills, 278 stars), Star History Chart (davila7/claude-code-templates, 32k stars) and Setting Up Cloudwatch Observability (aws/agent-toolkit-for-aws, 2.8k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Auth?

microsoft (a GitHub organization, an official publisher) maintains it in microsoft/apm, which has 3,968 GitHub stars. The repository holds 27 skills in this directory. The repository was last updated on October 6, 2026.

Source: microsoft/apm on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Auth

Install Auth

Facts

At a glance

What it does

When your agent uses it

Example prompts

Requirements

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Auth Skill

When to activate

Key rule

Canonical reference

Bearer-token authentication for ADO

Files

Compare with similar skills

Similar skills

GitHub Auth

Admin

Star History Chart

Setting Up Cloudwatch Observability

Atmos Auth

Managing Cloud Identity With Okta

More from microsoft/apm

Cut Release

Docs Corpus Audit

Docs Grounding Verifier

PR Description Skill

Autopilot Issue Delivery Worker

Autopilot PR Merge Worker

Questions about Auth

Install Auth

Facts

At a glance

What it does

When your agent uses it

Example prompts

Requirements

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Auth Skill

When to activate

Key rule

Canonical reference

Bearer-token authentication for ADO

Files

Compare with similar skills

Similar skills

More from microsoft/apm

Related

Questions about Auth