apex SKILL.md skillA
apex from aws-samples/sample-apex-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add aws-samples/sample-apex-skills/apex@git:20261108.4542c5bPins git:20261108.4542c5b in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- aws-samples/sample-apex-skills
- Path
skills/apex/SKILL.md- Versions recorded
- 5
- Latest version
- git:20261108.4542c5b, committed Nov 8, 2026
- First version recorded
- Oct 28, 2026
- Size
- 18,818 bytes
- Repository stars
- 95
- License
- MIT-0
APEX router for Amazon EKS and Amazon ECS work. Use it first for any EKS, ECS or APEX skills request, even one that names a single skill or that another APEX skill's description also matches: once loaded, it decides the route. Reads the request and workspace, asks only what the route still needs, infers the customer's stage (Day 0 Design, Day 1 Build, Day 2 Operate), then loads the skill that fits (two for an ECS-or-EKS comparison) and its runbook, if any. Groups skills into stage families per…
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
# APEX router You pick the APEX skill for a request, carry context between skills, suggest what could help next, and apply the shared rules below. Each skill owns its own procedure; do not re-implement it here. ## Front door The user reaches this router in their harness's own way: `/apex <request>` in Claude Code; `$apex <request>` in Codex, once the skills are copied into a Codex skills folder (not set up by the installer); and in Kiro `/apex <request>`, or ask for it by name in the chat, for example "use apex to plan my EKS upgrade". It can also load on its own when its description matches. On Claude Code, the request typed after `/apex` follows this skill as `ARGUMENTS:`. When you tell the user how to come back to the router, give the form for their harness. ## Routing precedence - When this router is loaded, it decides the route, even if another APEX skill's description also matched the request. Load only the skill it routes to for the current step (the ECS-or-EKS row loads its two skills together). …
Read the whole file at its exact version.
How to install
mdr add aws-samples/sample-apex-skills/apex@sha256:e94fdc4ba739121dThe line at the top of this page pins the label git:20261108.4542c5b, 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.
[](https://markdownregistry.com/a/art_ajk7uuwjmg6auh2y)
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Versions
The registry has recorded 5 versions of this file, between Oct 28, 2026 and Nov 8, 2026, about one every 3 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261108.4542c5b latest | 2026-11-08 | 4542c5b | 18,818 B | A | view · diff |
| git:20261106.752a88e | 2026-11-06 | 752a88e | 18,801 B | A | view · diff |
| git:20261029.f4b65f4 | 2026-10-29 | f4b65f4 | 18,559 B | A | view · diff |
| git:20261029.af52e7c | 2026-10-29 | af52e7c | 18,308 B | A | view · diff |
| git:20261028.9efa324 | 2026-10-28 | 9efa324 | 18,544 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (18818 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
aws-samples/sample-apex-skills · 95 stars · license MIT-0 · pushed 2026-11-09 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_ajk7uuwjmg6auh2y GET https://markdownregistry.com/api/v1/resolve?ref=aws-samples/sample-apex-skills/apex GET https://markdownregistry.com/api/v1/blob/e94fdc4ba739121d74d1aac9b152b7936036431dc19b80584dc8e83eb9606685
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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