spec-writer SKILL.md skillA

spec-writer from dayvisonassis/sdd-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add dayvisonassis/sdd-skills/spec-writer@git:20261013.fceb1bf

Pins git:20261013.fceb1bf in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
dayvisonassis/sdd-skills
Path
skills/spec-writer/SKILL.md
Versions recorded
8
Latest version
git:20261013.fceb1bf, committed Oct 13, 2026
First version recorded
Jun 28, 2026
Size
37,363 bytes
Repository stars
3
License
MIT

Generates technical implementation spec, plan, AND an operational contract for one or more features based on PRD, codebase analysis, and iterative clarification. Produces contract.md (environment contract, quality gates, coverage manifest, observable criteria) consumed by implement-feature and evaluator. Supports batch mode for generating multiple features from the same wave in parallel.

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

# Feature Specs Writer

Generate implementation-ready technical specifications based on the project's PRD and existing codebase patterns. Besides `spec.md` and `plan.md`, it produces a **third artifact, `contract.md`** — the operational contract consumed by `implement-feature` (which must satisfy it) and by `evaluator` (which validates against it).

> Base docs (in this package): `https://github.com/dayvisonassis/sdd-skills/blob/main/docs/Contrato_de_Feature.md` (contract structure),
> `https://github.com/dayvisonassis/sdd-skills/blob/main/docs/Como_criar_gates.md` (gates), and
> `https://github.com/dayvisonassis/sdd-skills/blob/main/docs/ARQUITETURA_DAS_SKILLS.md` (full flow). Start with
> `https://github.com/dayvisonassis/sdd-skills/blob/main/docs/GUIA_DO_WORKFLOW.md` for how the skills fit together.

The skill has two modes:

- **Single-feature mode (default):** operates on one feature at a time, identified by its PRD feature ID (F01, F02...), with an interactive interview (Steps 1–6 below).
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add dayvisonassis/sdd-skills/spec-writer@sha256:11b6ff6c2f50293b

The line at the top of this page pins the label git:20261013.fceb1bf, 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_s2xedzvnarghjarl.svg)](https://markdownregistry.com/a/art_s2xedzvnarghjarl)

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

Versions

The registry has recorded 8 versions of this file, between Jun 28, 2026 and Oct 13, 2026, about one every 15 days.

versioncommittedcommitsizeaudit
git:20261013.fceb1bf latest2026-10-13 fceb1bf 37,363 BA view · diff
git:20261012.26142212026-10-12 2614221 37,046 BA view · diff
git:20261011.838c9e32026-10-11 838c9e3 37,060 BA view · diff
git:20260930.17fecc42026-09-30 17fecc4 36,970 BA view · diff
git:20260930.459a8902026-09-30 459a890 36,168 BA view · diff
git:20260930.311f1f92026-09-30 311f1f9 36,184 BA view · diff
git:20260701.2525c6d2026-07-01 2525c6d 34,997 BA view · diff
git:20260628.c16aa792026-06-28 c16aa79 34,569 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 (37363 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

dayvisonassis/sdd-skills · 3 stars · license MIT · pushed 2026-10-13 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_s2xedzvnarghjarl
GET https://markdownregistry.com/api/v1/resolve?ref=dayvisonassis/sdd-skills/spec-writer
GET https://markdownregistry.com/api/v1/blob/11b6ff6c2f50293b5fea4c0dc1311acc17ae7e2969ac90d11d0aa4edd855f99b

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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Every file in dayvisonassis/sdd-skills

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