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ai-agents-build-and-env SKILL.md skillB

ai-agents-build-and-env from rjmurillo/ai-agents is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned

mdr add rjmurillo/ai-agents/ai-agents-build-and-env@v1.0.0

Pins v1.0.0 in mdr.lock. Pin the fingerprint instead.

Audit grade: B, 16 of 17 checks passed
Kind: SKILL.md skill
Repository: rjmurillo/ai-agents
Path: .claude/skills/ai-agents-build-and-env/SKILL.md
Versions recorded: 5
Latest version: v1.0.0, committed Sep 29, 2026
First version recorded: Sep 3, 2026
Size: 13,686 bytes
Repository stars: 48
License: MIT

Runbook to recreate the ai-agents dev environment from scratch and survive its traps, including the uv-pinned Python 3.14.6, git hooks install, MCP layer setup, contributor commands, and PEP 668. Use when you say `set up this repo`, `bootstrap the environment`, `fresh clone setup`, or you hit `ModuleNotFoundError yaml`. Do NOT use for the generation pipeline (use `ai-agents-generation-and-release`) or CI gate evidence rules (use `ai-agents-validation-and-qa`).

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

# ai-agents Build and Environment Runbook

<!-- vendor-portability: contributor-facing knowledge pack for the rjmurillo/ai-agents repo itself; intentionally references upstream paths (.agents/, .claude/, scripts/, build/) because its audience is repo contributors, not plugin consumers (issue #2050) -->
Recreate a working dev environment for this repository from a fresh clone, verify
it actually works, and avoid the traps that have cost prior contributors real
time. Audience: a zero-context mid-level engineer or Sonnet-class model. Every
command below was verified against the repo on 2026-07-03; the Provenance section
gives a re-verification one-liner for each volatile fact.

## Triggers

- `set up this repo`
- `bootstrap the environment`
- `fresh clone setup`
- `ModuleNotFoundError: No module named yaml`
- `environment traps`

## Scope

This skill is environment setup and survival only. Adjacent problems route to
siblings:

| You want | Use instead |
|----------|-------------|
| Regenerate mirrors, run the drift gates, release | `ai-agents-generation-and-release` |
| Understand what counts as test evidence, run CI-equivalent gates | `ai-agents-validation-and-qa` |
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint

mdr add rjmurillo/ai-agents/ai-agents-build-and-env@sha256:e557867166249fbc

The line at the top of this page pins the label v1.0.0, 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](https://markdownregistry.com/badge/art_eyi7zimawwol5cna.svg)](https://markdownregistry.com/a/art_eyi7zimawwol5cna)

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

Versions

The registry has recorded 5 versions of this file, between Sep 3, 2026 and Sep 29, 2026, about one every 7 days.

version	committed	commit	size	audit
v1.0.0 latest	2026-09-29	42b4d1e	13,686 B	B	view · diff
v1.0.0	2026-09-25	3fda96c	13,799 B	B	view · diff
v1.0.0	2026-09-12	1335030	13,576 B	B	view · diff
v1.0.0	2026-09-06	1c2e622	13,367 B	B	view · diff
v1.0.0	2026-09-03	83e33e1	13,864 B	B	view

Audit of the latest version

B 16 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.

fail: No instruction to read or print local credentials (matched: cat .env)
pass: Frontmatter block present
pass: Frontmatter declares a name
pass: Frontmatter declares a description
pass: Size between 200 bytes and 200 KB (13686 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 base64 blob over 200 characters
pass: No link to a raw IP address
pass: No script tag

Starting a new one? Use a template for SKILL.md on mdpantry, which passes every one of these checks and says what to change in it.

Source

GitHub

rjmurillo/ai-agents · 48 stars · license MIT · pushed 2026-10-20 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_eyi7zimawwol5cna
GET https://markdownregistry.com/api/v1/resolve?ref=rjmurillo/ai-agents/ai-agents-build-and-env
GET https://markdownregistry.com/api/v1/blob/e557867166249fbcbe0da958ae6c148ece110cabb0d13986884c1d864323d38a

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.