iam SKILL.md skillA

iam from itsmostafa/aws-agent-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add itsmostafa/aws-agent-skills/iam@git:20260108.5b66f5c

Pins git:20260108.5b66f5c in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
itsmostafa/aws-agent-skills
Path
skills/iam/SKILL.md
Versions recorded
2
Latest version
git:20260108.5b66f5c, committed Jan 8, 2026
First version recorded
Jan 7, 2026
Size
7,075 bytes
Repository stars
1,171
License
MIT

AWS Identity and Access Management for users, roles, policies, and permissions. Use when creating IAM policies, configuring cross-account access, setting up service roles, troubleshooting permission errors, or managing access control.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# AWS IAM

AWS Identity and Access Management (IAM) enables secure access control to AWS services and resources. IAM is foundational to AWS security—every AWS API call is authenticated and authorized through IAM.

## Table of Contents

- [Core Concepts](#core-concepts)
- [Common Patterns](#common-patterns)
- [CLI Reference](#cli-reference)
- [Best Practices](#best-practices)
- [Troubleshooting](#troubleshooting)
- [References](#references)

## Core Concepts

### Principals

Entities that can make requests to AWS: IAM users, roles, federated users, and applications.

### Policies

JSON documents defining permissions. Types:
- **Identity-based**: Attached to users, groups, or roles
- **Resource-based**: Attached to resources (S3 buckets, SQS queues)
- **Permission boundaries**: Maximum permissions an identity can have
- **Service control policies (SCPs)**: Organization-wide limits

### Roles

Identities with permissions that can be assumed by trusted entities. No permanent credentials—uses temporary security tokens.

### Trust Relationships

Define which principals can assume a role. Configured via the role's trust policy.

## Common Patterns

### Create a Service Role for Lambda
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add itsmostafa/aws-agent-skills/iam@sha256:f30817982d345413

The line at the top of this page pins the label git:20260108.5b66f5c, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_v4f3ib4vqgyz3353.svg)](https://markdownregistry.com/a/art_v4f3ib4vqgyz3353)

4 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 2 versions of this file, between Jan 7, 2026 and Jan 8, 2026, more than one a day.

versioncommittedcommitsizeaudit
git:20260108.5b66f5c latest2026-01-08 5b66f5c 7,075 BA view · diff
git:20260107.f8d43312026-01-07 f8d4331 6,986 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (7075 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

itsmostafa/aws-agent-skills · 1,171 stars · license MIT · pushed 2026-10-26 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_v4f3ib4vqgyz3353
GET https://markdownregistry.com/api/v1/resolve?ref=itsmostafa/aws-agent-skills/iam
GET https://markdownregistry.com/api/v1/blob/f30817982d3454139e3eecbf930f347ffd1b79c4e8a6cef851f75c5e8e02a1d7

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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