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Agent skill

Rigor Architect

by rigortype in rigortype/rigor

Set direction and LaneInput contracts for a scoped Rigor change (issue-shaped).

MPL-2.0Auto-check passedDevelopment

Install Rigor Architect

skills CLI
$ npx skills add rigortype/rigor --skill rigor-architect -a claude-code

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

GitHub CLI
$ gh skill install rigortype/rigor rigor-architect --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/rigortype/rigor.git skills-src && mkdir -p .claude/skills && cp -r skills-src/agents/pi-harness/skills/rigor-architect .claude/skills/rigor-architect && 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
rigor-architect
GitHub stars
106
Token cost
~395 tokens
SKILL.md length
122 words
Files
1
Skills in repo
36
Repo updated
First seen
Licence
MPL-2.0

At a glance

Set direction and LaneInput contracts for a scoped Rigor change (issue-shaped).

  • Works in 3 steps: Restate Acceptance as checkable outcomes. → List likely touch paths and explicit… → Emit a LaneInput-shaped contract (see…
  • Planning and acceptance only — not large implementation diffs
  • SKILL.md covers Hard constraints (always), Task and Finish phrases (exact)
  • Calls make

What it does

Rigor Architect is an agent skill from rigortype/rigor. Set direction and LaneInput contracts for a scoped Rigor change (issue-shaped). Use for planning and acceptance only — not large implementation diffs, CI watch, or merge judgment. Finish with Plan ready or Blocked — need human.

Its SKILL.md is about 400 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Development. The repository describes itself as: Inference-first static analysis for Ruby. The licence is MPL-2.0.

When your agent uses it

  • Planning and acceptance only — not large implementation diffs

Example prompts

  • “/rigor-architect”

Workflow steps

3 steps, taken from the first numbered list in SKILL.md.

  1. Restate Acceptance as checkable outcomes.
  2. List likely touch paths and explicit must_not constraints so a
  3. Emit a LaneInput-shaped contract (see contracts README)

What it can do on your machine

Read from SKILL.md and the folder at commit 57a67cf. 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

    Shell commands in SKILL.md call:

    • make

    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

Rigor Architect loads about 395 tokens when it runs. Until then it costs about 61 tokens; SKILL.md has 122 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~61
When it runs · the whole SKILL.md, loaded when a task matches
~395

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

The full file from rigortype/rigor at commit 57a67cf, republished under its MPL-2.0 licence (© rigortype). 122 words, ~395 tokens.

Download SKILL.mdSave it as .claude/skills/rigor-architect/SKILL.md (or your agent's skills folder).
name
rigor-architect
description
Set direction and LaneInput contracts for a scoped Rigor change (issue-shaped). Use for planning and acceptance only — not large implementation diffs, CI watch, or merge judgment. Finish with Plan ready or Blocked — need human.

Rigor architect (ADR-115)

Load and follow the role stub and contracts:

Hard constraints (always)

  • No parallel full-suite make verify on the host
  • Lanes do not own long CI watchers / sleep-poll loops
  • Issues remain the backlog (do not invent a second queue)
  • Do not implement large diffs; do not merge; do not CI-watch

Task

Given an issue URL/number (or scoped change request):

  1. Restate Acceptance as checkable outcomes.
  2. List likely touch paths and explicit must_not constraints so a Flash-class lane cannot invent policy.
  3. Emit a LaneInput-shaped contract (see contracts README):
text
LaneInput:
  issue:           #<n> | URL
  acceptance:      [checkable bullet, ...]
  touch:           [path glob / file, ...]
  must_not:        [constraint, ...]
  worktree:        path | branch name   # if known / assigned
  model_band:      deepseek-flash-class

Finish phrases (exact)

  • Success: Plan ready
  • Blocked: Blocked — need human

Model band: Opus / Grok-class (bound by scripts/run-role.sh; do not self-demote via /model).

© rigortype, MPL-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in agents/pi-harness/skills/rigor-architect of rigortype/rigor.

Open the folder on GitHubat commit 57a67cf

Compare with similar skills

Rigor Architect 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.

Rigor Architect compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Rigor Architect this skillrigortype/rigor106—~395Automated safety check: PassMPL-2.0
Vercel Composition Patternssupabase/supabase111k59 repos~726Automated safety check: PassMIT
Finishing a Development Branchobra/superpowers296k5 repos~1.9kAutomated safety check: PassMIT
Typescript Advanced Typesrolling-scopes/rsschool-app10k25 repos~4.2kAutomated safety check: PassMPL-2.0
PR Babysitteropeninterpreter/openinterpreter69k3 repos~4.2kAutomated safety check: PassApache-2.0
Code Review ChecklistshareAI-lab/learn-claude-code78k5 repos~1.1kAutomated safety check: PassMIT

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All 36 skills in this repo

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  • Rigor Plugin Author

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    Author a new Rigor plugin, choosing plugins/ for production support or examples/ for a contract walkthrough.

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  • Rigor Plugin Author

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Categories

Questions about Rigor Architect

What does Rigor Architect do?

Set direction and LaneInput contracts for a scoped Rigor change (issue-shaped). Rigor Architect is an agent skill from rigortype/rigor. Set direction and LaneInput contracts for a scoped Rigor change (issue-shaped).

When should I use Rigor Architect?

Rigor Architect fits situations like: planning and acceptance only — not large implementation diffs.

How do I install Rigor Architect in Claude Code?

Run `npx skills add rigortype/rigor --skill rigor-architect -a claude-code`. Or copy the skill folder (agents/pi-harness/skills/rigor-architect in rigortype/rigor) into .claude/skills/rigor-architect in your project. Claude Code loads it when a task matches its description.

How do I install Rigor Architect in Codex?

Run `npx skills add rigortype/rigor --skill rigor-architect -a codex`. Or copy the skill folder (agents/pi-harness/skills/rigor-architect in rigortype/rigor) into .agents/skills/rigor-architect in your project. Codex loads it when a task matches its description.

Can I use Rigor Architect 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 rigortype/rigor --skill rigor-architect -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/rigor-architect, .gemini/skills/rigor-architect, .github/skills/rigor-architect and .opencode/skills/rigor-architect in your project.

What does Rigor Architect need to run?

Going by SKILL.md and its folder, Rigor Architect needs the command-line tools its instructions call (make).

Does Rigor Architect 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 Rigor Architect 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 Rigor Architect use?

Rigor Architect is published under the MPL-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Rigor Architect use?

About 395 tokens (SKILL.md is roughly 1.6k 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 Rigor Architect?

Skills that share tags, products or a category with Rigor Architect: Vercel Composition Patterns (supabase/supabase, 111k stars), Finishing a Development Branch (obra/superpowers, 296k stars), Typescript Advanced Types (rolling-scopes/rsschool-app, 10k stars) and PR Babysitter (openinterpreter/openinterpreter, 69k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Rigor Architect?

rigortype (a GitHub organization) maintains it in rigortype/rigor, which has 106 GitHub stars. The repository holds 36 skills in this directory. The repository was last updated on October 8, 2026.

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