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Agent skill

Ad Spec

by alexandremendoncaalvaro in alexandremendoncaalvaro/CorridorKey-Runtime

Draft a feature-level specification at doc/specs/NNNN-<slug.md following the six-layer artifact stack (Constitution → Domain → Product → Spec → Plan/Decisions → Code).

Custom licenceAuto-check passedProduct & Project Management

Install Ad Spec

skills CLI
$ npx skills add alexandremendoncaalvaro/CorridorKey-Runtime --skill ad-spec -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install alexandremendoncaalvaro/CorridorKey-Runtime ad-spec --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/alexandremendoncaalvaro/CorridorKey-Runtime.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/ad-spec .claude/skills/ad-spec && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
ad-spec
GitHub stars
756
Used in
1 other repo
Token cost
~1.8k tokens
SKILL.md length
841 words
Files
2
Skills in repo
26
Repo updated
First seen
Licence
Custom licence

At a glance

Draft a feature-level specification at doc/specs/NNNN-<slug.md following the six-layer artifact stack (Constitution → Domain → Product → Spec → Plan/Decisions → Code).

  • The user wants to write
  • SKILL.md covers Context, User Scenarios, Requirements and Success Criteria, plus 5 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • Open a feature spec

What it does

Ad Spec is an agent skill from alexandremendoncaalvaro/CorridorKey-Runtime. Draft a feature-level specification at doc/specs/NNNN-<slug.md following the six-layer artifact stack (Constitution → Domain → Product → Spec → Plan/Decisions → Code). Adapts GitHub Spec Kit's mandatory sections (User Scenarios, Requirements, Success Criteria) to the kit's documentation discipline. Use when the user wants to write, draft, scaffold, or open a feature spec, feature brief, user stories, or success criteria for one feature. Product-level scoping (PRD, multi-feature roadmap, target user, product…

Its SKILL.md is about 1.8k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files (for example `agents/openai.yaml`).

It sits in Product & Project Management, covering PRD writing and Product metrics. It works with GitHub. The repository describes itself as: Native AI keying runtime and OFX plugin for DaVinci Resolve, built in collaboration with Corridor Digital.

When your agent uses it

  • The user wants to write
  • Open a feature spec
  • Success criteria for one feature

Example prompts

  • “/ad-spec”

What it can do on your machine

Read from SKILL.md and the folder at commit e632fa5. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Ad Spec loads about 1.8k tokens when it runs. Until then it costs about 148 tokens; SKILL.md has 841 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~148
When it runs · the whole SKILL.md, loaded when a task matches
~1.8k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 841 words (~1,775 tokens).

“Drafts doc/specs/-.md for one feature. Status lifecycle: draft → accepted → shipped | superseded by SPEC-NNNN. Spec is the layer-4 artifact in the kit's six-layer stack — Constitution (AGENTS.md + WORKFLOW.md) → Domain (CONTEXT.md) → Product (doc/product/PRD.md) → Spec (this…”

— opening of SKILL.md by alexandremendoncaalvaro, Custom licence
name
ad-spec
summary
Draft a feature spec at `doc/specs/NNNN-<slug>.md` (Spec Kit-aligned mandatory sections). Layer 4 of the six-layer artifact stack. References parent PRD…

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file in .agents/skills/ad-spec of alexandremendoncaalvaro/CorridorKey-Runtime.

  • SKILL.md
  • agents/openai.yaml

Open the folder on GitHubat commit e632fa5

Used in 1 other repository

We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in alexandremendoncaalvaro/CorridorKey-Runtime, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Ad Spec next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Ad Spec compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Ad Spec this skillalexandremendoncaalvaro/CorridorKey-Runtime7561 repos~1.8kAutomated safety check: PassCustom licence
Ad SpecCorridorTech/PoseCap224—~2.2kAutomated safety check: NotesApache-2.0
CCPM Project Managementautomazeio/ccpm8.4k—~1.1kAutomated safety check: PassMIT
Ouroboros PM InterviewQ00/ouroboros6.2k—~5.7kAutomated safety check: PassMIT
To Issuessmallnest/pigo479—~1.9kAutomated safety check: PassMIT
Write A Prdbestofjs/bestofjs3.1k1 repos~722Automated safety check: PassMIT

Similar skills

  • Ad Spec

    CorridorTech/PoseCap

    Draft a feature-level specification at doc/specs/NNNN-<slug.md following the kit's six-layer artifact stack (Constitution → Domain → Product → Spec → Plan/Decisions → Code).

    224 GitHub stars~2.2k tokensUpdated 4 days ago
    Product & Project ManagementAuto-check: notes

  • CCPM Project Management

    automazeio/ccpm

    Runs a spec-driven workflow from PRD to epic to GitHub issues to parallel agents, with status, standup and blocked-work reports from bundled scripts.

    8.4k GitHub stars~1.1k tokensUpdated 6 mo ago
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  • Ouroboros PM Interview

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    Runs a guided product-manager interview that classifies each question automatically and produces a Product Requirements Document.

    6.2k GitHub stars~5.7k tokensUpdated 3 days ago
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  • To Issues

    smallnest/pigo

    Decompose a PRD and/or SPEC into implementable Issues and create them in your chosen platform (GitHub, Local, or Baidu iCafe).

    479 GitHub stars~1.9k tokensUpdated 28 days ago
    Product & Project ManagementAuto-check passed

  • Write A Prd

    bestofjs/bestofjs

    Create a PRD through user interview, codebase exploration, and module design, then submit as a GitHub issue.

    3.1k GitHub starsUsed in 1 repo~722 tokens
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  • Write Update Tidb Docs

    pingcap/docs

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    616 GitHub stars~2.3k tokensUpdated today
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More from alexandremendoncaalvaro/CorridorKey-Runtime

All 26 skills in this repo

  • Ad Archive

    alexandremendoncaalvaro/CorridorKey-Runtime

    Sweep completed plan files (tasks Status:done, specs Status:shipped, PRDs Status:superseded, ADRs Status:superseded or deprecated) out of the working tree and into git history via git rm.

    756 GitHub starsUsed in 1 repo~1.6k tokens
    Auto-check passed

  • Ad Commit

    alexandremendoncaalvaro/CorridorKey-Runtime

    Atomic Conventional Commits with DCO Signed-off-by sign-off.

    756 GitHub starsUsed in 1 repo~1.4k tokens
    Auto-check passed

  • Ad Bootstrap

    alexandremendoncaalvaro/CorridorKey-Runtime

    Generate AGENTS.md at the repo root by scanning the codebase first, pre-filling placeholders from observed signals, and asking only the genuine gaps.

    756 GitHub starsUsed in 1 repo~2.2k tokens
    Auto-check: warnings

  • Ad Deepen

    alexandremendoncaalvaro/CorridorKey-Runtime

    Surface deepening opportunities in the codebase using the Ousterhout/Feathers vocabulary from WORKFLOW §8 (Module / Interface / Depth / Seam / Adapter / Leverage / Locality).

    756 GitHub starsUsed in 1 repo~2k tokens
    Auto-check passed

  • Ad Domain

    alexandremendoncaalvaro/CorridorKey-Runtime

    Lazily create or update CONTEXT.md (Layer 2 — ubiquitous language per Evans 2003) at the repo root, or CONTEXT-MAP.md plus per-context CONTEXT.md for multi-context repos.

    756 GitHub starsUsed in 1 repo~1.8k tokens
    Auto-check passed

  • Ad Grill Me

    alexandremendoncaalvaro/CorridorKey-Runtime

    Interview-before-research grilling session that challenges a fuzzy ask against the existing codebase, sharpens vocabulary against CONTEXT.md, and resolves the decision tree branch by branch.

    756 GitHub starsUsed in 1 repo~1.8k tokens
    Auto-check passed

Works with

Categories

Questions about Ad Spec

What does Ad Spec do?

Draft a feature-level specification at doc/specs/NNNN-<slug.md following the six-layer artifact stack (Constitution → Domain → Product → Spec → Plan/Decisions → Code). Ad Spec is an agent skill from alexandremendoncaalvaro/CorridorKey-Runtime.md following the six-layer artifact stack (Constitution → Domain → Product → Spec → Plan/Decisions → Code).

When should I use Ad Spec?

Ad Spec fits situations like: the user wants to write; open a feature spec; success criteria for one feature.

How do I install Ad Spec in Claude Code?

Run `npx skills add alexandremendoncaalvaro/CorridorKey-Runtime --skill ad-spec -a claude-code`. Or copy the skill folder (.agents/skills/ad-spec in alexandremendoncaalvaro/CorridorKey-Runtime) into .claude/skills/ad-spec in your project. Claude Code loads it when a task matches its description.

How do I install Ad Spec in Codex?

Run `npx skills add alexandremendoncaalvaro/CorridorKey-Runtime --skill ad-spec -a codex`. Or copy the skill folder (.agents/skills/ad-spec in alexandremendoncaalvaro/CorridorKey-Runtime) into .agents/skills/ad-spec in your project. Codex loads it when a task matches its description.

Can I use Ad Spec in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add alexandremendoncaalvaro/CorridorKey-Runtime --skill ad-spec -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/ad-spec, .gemini/skills/ad-spec, .github/skills/ad-spec and .opencode/skills/ad-spec in your project.

What does Ad Spec need to run?

SKILL.md names no scripts, command-line tools or credentials: Ad Spec is instructions for the agent only.

Does Ad Spec access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Ad Spec safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Ad Spec use?

Ad Spec has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Ad Spec use?

About 1.8k tokens (SKILL.md is roughly 7.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Ad Spec?

Skills that share tags, products or a category with Ad Spec: Ad Spec (CorridorTech/PoseCap, 224 stars), CCPM Project Management (automazeio/ccpm, 8.4k stars), Ouroboros PM Interview (Q00/ouroboros, 6.2k stars) and To Issues (smallnest/pigo, 479 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Ad Spec?

alexandremendoncaalvaro (a GitHub user) maintains it in alexandremendoncaalvaro/CorridorKey-Runtime, which has 756 GitHub stars. The repository holds 26 skills in this directory. The repository was last updated on August 5, 2026.

Source: alexandremendoncaalvaro/CorridorKey-Runtime on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.