Home / swingerman / engineer · engineer/skills/plan/SKILL.md · GitHub

plan skillA

plan is agent-read markdown (skill) from swingerman/engineer: Use when a feature has ACs and specs and needs an architecture plan before implementation. Triggers — "/engineer.plan", "plan this feature", "plan the implementation", "design the architecture"..

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

What the file says

# plan

Produce a feature's architecture plan — Checkpoint 4, the most consequential architectural checkpoint. Where engineering authority over **code design** and **performance** is exercised: the agent proposes, the human decides.

Mixed mode — the agent proposes the architecture, the human confirms it, then the rest of the plan is drafted.

## When to use

After `discover-acs` (Checkpoint 2) and `atdd:atdd` (Checkpoint 3). Produces `plan.md`.

If `spec.md` is missing, warn — planning should follow spec formalization — but the user may override and plan from `acs.md` alone (flag the skipped step in the handoff).

**Not for:** Given/When/Then specs (`atdd:atdd`); small changes to an existing plan (`feature-edit`).

## Workflow

**Step 0 — Entry gate.** Before starting, verify the prior checkpoint is complete: run `${CLAUDE_PLUGIN_ROOT}/scripts/dae_handoff.py <feature-dir> --through 3`. On a non-zero exit, **stop** and surface the gap to the human — do not proceed.

Verify branch hygiene: run `${CLAUDE_PLUGIN_ROOT}/scripts/dae_branch.py <feature-dir>`.
On a non-zero exit, **stop** and surface the message to the human — switch
…

Read the whole file at its exact version.

How to install

Latest version
mdr add swingerman/engineer/plan@git:20260823.7f6ca14
Exact content
mdr add swingerman/engineer/plan@sha256:e8d15c2605d14ccb

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

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Versions

versioncommittedcommitsizeaudit
git:20260823.7f6ca14 latest2026-08-23 7f6ca14 10,210 BA view · diff
git:20260810.1adbf3c2026-08-10 1adbf3c 8,243 BA view · diff
git:20260729.715119e2026-07-29 715119e 7,589 BA view · diff
git:20260710.5dd248a2026-07-10 5dd248a 6,644 BA view · diff
git:20260619.d0fa8c92026-06-19 d0fa8c9 6,016 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, 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 (10210 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

swingerman/engineer · 150 stars · license MIT · pushed 2026-09-22 · branch master

API

GET https://markdownregistry.com/api/v1/artifacts/art_ihugjbnqie2pjsy7
GET https://markdownregistry.com/api/v1/resolve?ref=swingerman/engineer/plan
GET https://markdownregistry.com/api/v1/blob/e8d15c2605d14ccb17a489bf3a330fef0f4132d0683ac1bfbb19bbc0fe07fe41

Your agent 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.

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Every file in swingerman/engineer

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