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Get Started Free →Add specs, conventions, constraints, or learnings to project guidelines interactively or automatically
.claude/skills/catlog22-spec-add/SKILL.md| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-16 | ✗→✓ | ▲ Improved | 205% | 0% |
| case-07 | ✗→✓ | ▲ Improved | 175% | 0% |
| case-04 | ✗→✓ | ▲ Improved | 301% | 0% |
| case-11 | ✗→✓ | ▲ Improved | 91% | 0% |
| case-12 | ✗→✓ | ▲ Improved | 168% | 0% |
Unified command for adding specs one at a time. Supports both interactive wizard mode and direct CLI mode.
Key Features:
-y/--yes) for scripted usagebash$spec-add # Interactive wizard (all prompts) $spec-add --interactive # Explicit interactive wizard $spec-add "Use async/await instead of callbacks" # Direct mode (auto-detect type) $spec-add -y "No direct DB access" --type constraint # Auto-confirm, skip confirmation $spec-add --scope global --dimension personal # Create global personal spec (interactive) $spec-add --dimension specs --category exploration # Project spec in exploration category (interactive) $spec-add "Cache invalidation requires event sourcing" --type learning --category architecture
| Parameter | Type | Required | Default | Description | |-----------|------|----------|---------|-------------| | rule | string | Yes (unless --interactive) | - | The rule, convention, or insight to add | | --type | enum | No | auto-detect | Type: convention, constraint, learning | | --category | string | No | auto-detect / general | Category for organization (see categories below) | | --dimension | enum | No | Interactive | specs (project) or personal | | --scope | enum | No | project | global or project (only for personal dimension) | | --interactive | flag | No | - | Launch full guided wizard for adding rules | | -y / --yes | flag | No | - | Auto-categorize and add without confirmation |
convention - Coding style preferences (goes to conventions section)
coding_style, naming_patterns, file_structure, documentationconstraint - Hard rules that must not be violated (goes to constraints section)
architecture, tech_stack, performance, securitylearning - Session-specific insights (goes to learnings array)
architecture, performance, security, testing, process, other--category)| Category | Use Case | Example Rules | |----------|----------|---------------| | general | Applies to all stages | "Use TypeScript strict mode" | | exploration | Code exploration, debugging | "Always trace the call stack before modifying" | | planning | Task planning, requirements | "Break down tasks into 2-hour chunks" | | execution | Implementation, testing | "Run tests after each file modification" |
Input Parsing:
|- Parse: rule text (positional argument, optional if --interactive)
|- Parse: --type (convention|constraint|learning)
|- Parse: --category (subcategory)
|- Parse: --dimension (specs|personal)
|- Parse: --scope (global|project)
|- Parse: --interactive (flag)
+- Parse: -y / --yes (flag)
Step 1: Parse Input
Step 2: Determine Mode
|- If --interactive OR no rule text -> Full Interactive Wizard (Path A)
+- If rule text provided -> Direct Mode (Path B)
Path A: Interactive Wizard
|- Step A1: Ask dimension (if not specified)
|- Step A2: Ask scope (if personal + scope not specified)
|- Step A3: Ask category (if not specified)
|- Step A4: Ask type (convention|constraint|learning)
|- Step A5: Ask content (rule text)
+- Continue to Step 3
Path B: Direct Mode
|- Step B1: Auto-detect type (if not specified) using detectType()
|- Step B2: Auto-detect category (if not specified) using detectCategory()
|- Step B3: Default dimension to 'specs' if not specified
+- Continue to Step 3
Step 3: Determine Target File
|- specs dimension -> .ccw/specs/coding-conventions.md or architecture-constraints.md
+- personal dimension -> ~/.ccw/personal/ or .ccw/personal/
Step 4: Validate and Write Spec
|- Ensure target directory and file exist
|- Check for duplicates
|- Append rule to appropriate section
+- Run ccw spec rebuild
Step 5: Display Confirmation
+- If -y/--yes: Minimal output
+- Otherwise: Full confirmation with location detailsjavascript// Parse arguments const args = "$ARGUMENTS" const argsLower = args.toLowerCase() // Extract flags const AUTO_YES = argsLower.includes('--yes') || argsLower.includes('-y') const isInteractive = argsLower.includes('--interactive') // Extract named parameters const hasType = argsLower.includes('--type') const hasCategory = argsLower.includes('--category') const hasDimension = argsLower.includes('--dimension') const hasScope = argsLower.includes('--scope') let type = hasType ? args.match(/--type\s+(\w+)/i)?.[1]?.toLowerCase() : null let category = hasCategory ? args.match(/--category\s+(\w+)/i)?.[1]?.toLowerCase() : null let dimension = hasDimension ? args.match(/--dimension\s+(\w+)/i)?.[1]?.toLowerCase() : null let scope = hasScope ? args.match(/--scope\s+(\w+)/i)?.[1]?.toLowerCase() : null // Extract rule text (everything before flags, or quoted string) let ruleText = args .replace(/--type\s+\w+/gi, '') .replace(/--category\s+\w+/gi, '') .replace(/--dimension\s+\w+/gi, '') .replace(/--scope\s+\w+/gi, '') .replace(/--interactive/gi, '') .replace(/--yes/gi, '') .replace(/-y\b/gi, '') .replace(/^["']|["']$/g, '') .trim() // Validate values if (scope && !['global', 'project'].includes(scope)) { console.log("Invalid scope. Use 'global' or 'project'.") return } if (dimension && !['specs', 'personal'].includes(dimension)) { console.log("Invalid dimension. Use 'specs' or 'personal'.") return } if (type && !['convention', 'constraint', 'learning'].includes(type)) { console.log("Invalid type. Use 'convention', 'constraint', or 'learning'.") return } if (category) { const validCategories = [ 'general', 'exploration', 'planning', 'execution', 'coding_style', 'naming_patterns', 'file_structure', 'documentation', 'architecture', 'tech_stack', 'performance', 'security', 'testing', 'process', 'other' ] if (!validCategories.includes(category)) { console.log(`Invalid category. Valid categories: ${validCategories.join(', ')}`) return } }
javascriptconst useInteractiveWizard = isInteractive || !ruleText
javascriptif (useInteractiveWizard) { // --- Step A1: Ask dimension (if not specified) --- if (!dimension) { if (AUTO_YES) { dimension = 'specs' // Default to project specs in auto mode } else { const dimensionAnswer = functions.request_user_input({ questions: [{ header: "Dimension", id: "dimension", question: "What type of spec do you want to create?", options: [ { label: "Project Spec(Recommended)", description: "Coding conventions, constraints, quality rules for this project (stored in .ccw/specs/)" }, { label: "Personal Spec", description: "Personal preferences and constraints that follow you across projects (stored in ~/.ccw/specs/personal/ or .ccw/specs/personal/)" } ] }] }) // BLOCKS (wait for user response) dimension = dimensionAnswer.answers.dimension.answers[0] === "Project Spec(Recommended)" ? "specs" : "personal" } } // --- Step A2: Ask scope (if personal + scope not specified) --- if (dimension === 'personal' && !scope) { if (AUTO_YES) { scope = 'project' // Default to project scope in auto mode } else { const scopeAnswer = functions.request_user_input({ questions: [{ header: "Scope", id: "scope", question: "Where should this personal spec be stored?", options: [ { label: "Global(Recommended)", description: "Apply to ALL projects (~/.ccw/specs/personal/)" }, { label: "Project-only", description: "Apply only to this project (.ccw/specs/personal/)" } ] }] }) // BLOCKS (wait for user response) scope = scopeAnswer.answers.scope.answers[0] === "Global(Recommended)" ? "global" : "project" } } // --- Step A3: Ask category (if not specified) --- if (!category) { if (AUTO_YES) { category = 'general' // Default to general in auto mode } else { const categoryAnswer = functions.request_user_input({ questions: [{ header: "Category", id: "category", question: "Which workflow stage does this spec apply to?", options: [ { label: "General(Recommended)", description: "Applies to all stages (default)" }, { label: "Exploration", description: "Code exploration, analysis, debugging" }, { label: "Planning", description: "Task planning, requirements gathering" } ] }] }) // BLOCKS (wait for user response) const categoryLabel = categoryAnswer.answers.category.answers[0] category = categoryLabel.includes("General") ? "general" : categoryLabel.includes("Exploration") ? "exploration" : categoryLabel.includes("Planning") ? "planning" : "execution" } } // --- Step A4: Ask type (if not specified) --- if (!type) { if (AUTO_YES) { type = 'convention' // Default to convention in auto mode } else { const typeAnswer = functions.request_user_input({ questions: [{ header: "Rule Type", id: "rule_type", question: "What type of rule is this?", options: [ { label: "Convention", description: "Coding style preference (e.g., use functional components)" }, { label: "Constraint", description: "Hard rule that must not be violated (e.g., no direct DB access)" }, { label: "Learning", description: "Insight or lesson learned (e.g., cache invalidation needs events)" } ] }] }) // BLOCKS (wait for user response) const typeLabel = typeAnswer.answers.rule_type.answers[0] type = typeLabel.includes("Convention") ? "convention" : typeLabel.includes("Constraint") ? "constraint" : "learning" } } // --- Step A5: Ask content (rule text) --- if (!ruleText) { if (AUTO_YES) { console.log("Error: Rule text is required in auto mode. Provide rule text as argument.") return } const contentAnswer = functions.request_user_input({ questions: [{ header: "Content", id: "content", question: "Enter the rule or guideline text:", options: [ { label: "Type in Other", description: "Enter your rule text via the Other input field" } ] }] }) // BLOCKS (wait for user response) ruleText = contentAnswer.answers.content.answers[0] } }
Auto-detect type if not specified:
javascriptfunction detectType(ruleText) { const text = ruleText.toLowerCase(); // Constraint indicators if (/\b(no|never|must not|forbidden|prohibited|always must)\b/.test(text)) { return 'constraint'; } // Learning indicators if (/\b(learned|discovered|realized|found that|turns out)\b/.test(text)) { return 'learning'; } // Default to convention return 'convention'; } function detectCategory(ruleText, type) { const text = ruleText.toLowerCase(); if (type === 'constraint' || type === 'learning') { if (/\b(architecture|layer|module|dependency|circular)\b/.test(text)) return 'architecture'; if (/\b(security|auth|permission|sanitize|xss|sql)\b/.test(text)) return 'security'; if (/\b(performance|cache|lazy|async|sync|slow)\b/.test(text)) return 'performance'; if (/\b(test|coverage|mock|stub)\b/.test(text)) return 'testing'; } if (type === 'convention') { if (/\b(name|naming|prefix|suffix|camel|pascal)\b/.test(text)) return 'naming_patterns'; if (/\b(file|folder|directory|structure|organize)\b/.test(text)) return 'file_structure'; if (/\b(doc|comment|jsdoc|readme)\b/.test(text)) return 'documentation'; return 'coding_style'; } return type === 'constraint' ? 'tech_stack' : 'other'; } if (!useInteractiveWizard) { if (!type) { type = detectType(ruleText) } if (!category) { category = detectCategory(ruleText, type) } if (!dimension) { dimension = 'specs' // Default to project specs in direct mode } }
Uses .ccw/specs/ directory (same as frontend/backend spec-index-builder)
bashbash(test -f .ccw/specs/coding-conventions.md && echo "EXISTS" || echo "NOT_FOUND")
If NOT_FOUND, initialize spec system:
bashBash('ccw spec init') Bash('ccw spec rebuild')
javascriptconst path = require('path') const os = require('os') const isConvention = type === 'convention' const isConstraint = type === 'constraint' const isLearning = type === 'learning' let targetFile let targetDir if (dimension === 'specs') { // Project specs - use .ccw/specs/ (same as frontend/backend spec-index-builder) targetDir = '.ccw/specs' if (isConstraint) { targetFile = path.join(targetDir, 'architecture-constraints.md') } else { targetFile = path.join(targetDir, 'coding-conventions.md') } } else { // Personal specs - use .ccw/personal/ (same as backend spec-index-builder) if (scope === 'global') { targetDir = path.join(os.homedir(), '.ccw', 'personal') } else { targetDir = path.join('.ccw', 'personal') } // Create type-based filename const typePrefix = isConstraint ? 'constraints' : isLearning ? 'learnings' : 'conventions' targetFile = path.join(targetDir, `${typePrefix}.md`) }
javascriptfunction buildEntry(rule, type, category, sessionId) { if (type === 'learning') { return { date: new Date().toISOString().split('T')[0], session_id: sessionId || null, insight: rule, category: category, context: null }; } // For conventions and constraints, just return the rule string return rule; }
javascriptconst fs = require('fs') // Ensure directory exists if (!fs.existsSync(targetDir)) { fs.mkdirSync(targetDir, { recursive: true }) } // Check if file exists const fileExists = fs.existsSync(targetFile) if (!fileExists) { // Create new file with frontmatter const frontmatter = `--- title: ${dimension === 'specs' ? 'Project' : 'Personal'} ${isConstraint ? 'Constraints' : isLearning ? 'Learnings' : 'Conventions'} readMode: optional priority: medium category: ${category} scope: ${dimension === 'personal' ? scope : 'project'} dimension: ${dimension} keywords: [${category}, ${isConstraint ? 'constraint' : isLearning ? 'learning' : 'convention'}] --- # ${dimension === 'specs' ? 'Project' : 'Personal'} ${isConstraint ? 'Constraints' : isLearning ? 'Learnings' : 'Conventions'} ` fs.writeFileSync(targetFile, frontmatter, 'utf8') } // Read existing content let content = fs.readFileSync(targetFile, 'utf8') // Deduplicate: skip if rule text already exists in the file if (content.includes(ruleText)) { console.log(` Rule already exists in ${targetFile} Text: "${ruleText}" `) return } // Format the new rule based on type let newRule if (isLearning) { const entry = buildEntry(ruleText, type, category) newRule = `- [learning/${category}] ${entry.insight} (${entry.date})` } else { newRule = `- [${category}] ${ruleText}` } // Append the rule content = content.trimEnd() + '\n' + newRule + '\n' fs.writeFileSync(targetFile, content, 'utf8') // Rebuild spec index Bash('ccw spec rebuild')
If -y/--yes (auto mode):
Spec added: [${type}/${category}] "${ruleText}" -> ${targetFile}Otherwise (full confirmation):
Spec created successfully
Dimension: ${dimension}
Scope: ${dimension === 'personal' ? scope : 'project'}
Category: ${category}
Type: ${type}
Rule: "${ruleText}"
Location: ${targetFile}
Use 'ccw spec list' to view all specs
Use 'ccw spec load --category ${category}' to load specs by category.ccw/specs/
|- coding-conventions.md <- conventions, learnings
|- architecture-constraints.md <- constraints
+- quality-rules.md <- quality rules# Global (~/.ccw/personal/)
~/.ccw/personal/
|- conventions.md <- personal conventions (all projects)
|- constraints.md <- personal constraints (all projects)
+- learnings.md <- personal learnings (all projects)
# Project-local (.ccw/personal/)
.ccw/personal/
|- conventions.md <- personal conventions (this project only)
|- constraints.md <- personal constraints (this project only)
+- learnings.md <- personal learnings (this project only)bash$spec-add --interactive # Prompts for: dimension -> scope (if personal) -> category -> type -> content
bash$spec-add "Use async/await instead of callbacks" --type convention --category coding_style
Result in .ccw/specs/coding-conventions.md:
markdown- [coding_style] Use async/await instead of callbacks
bash$spec-add "No direct DB access from controllers" --type constraint --category architecture
Result in .ccw/specs/architecture-constraints.md:
markdown- [architecture] No direct DB access from controllers
bash$spec-add "Cache invalidation requires event sourcing for consistency" --type learning
Result in .ccw/specs/coding-conventions.md:
markdown- [learning/architecture] Cache invalidation requires event sourcing for consistency (2026-03-06)
bash$spec-add -y "No direct DB access from controllers" --type constraint # Auto-detects category as 'architecture', writes without confirmation prompt
bash$spec-add --scope global --dimension personal --type convention "Prefer descriptive variable names"
Result in ~/.ccw/personal/conventions.md:
markdown- [general] Prefer descriptive variable names
bash$spec-add --scope project --dimension personal --type constraint "No ORM in this project"
Result in .ccw/personal/constraints.md:
markdown- [general] No ORM in this project
$spec-setup - Initialize project with specs scaffold$session-sync - Quick-sync session work to specs and project-tech$workflow-session-start - Start a session$workflow-session-complete - Complete session (prompts for learnings)ccw spec list - View all specsccw spec load --category <cat> - Load filtered specsccw spec rebuild - Rebuild spec index| Case | Status | Duration (ms) | Turns | Tokens | Tool calls | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Without | With | Δ | Without | With | Δ | Without | With | Δ | Without | With | Δ | ||
case-06 | pass→pass | 8,443 | 6,503 | -23% | 1 | 1 | 0% | 1,423 | 6,816 | +379% | 0 | 0 | — |
case-16 | fail→pass | 12,670 | 4,930 | -61% | 1 | 1 | 0% | 2,100 | 6,409 | +205% | 0 | 0 | — |
case-07 | fail→pass | 14,328 | 5,198 | -64% | 1 | 1 | 0% | 2,351 | 6,473 | +175% | 0 | 0 | — |
case-01 | fail→fail | 8,392 | 6,603 | -21% | 1 | 1 | 0% | 1,401 | 5,902 | +321% | 0 | 0 | — |
case-02 | fail→fail | 3,030 | 11,339 | +274% | 1 | 1 | 0% | 506 | 5,916 | +1069% | 0 | 0 | — |
case-03 | fail→fail | 6,592 | 8,083 | +23% | 1 | 1 | 0% | 1,171 | 5,773 | +393% | 0 | 0 | — |
case-04 | fail→pass | 9,770 | 6,922 | -29% | 1 | 1 | 0% | 1,708 | 6,847 | +301% | 0 | 0 | — |
case-05 | pass→pass | 13,109 | 8,458 | -35% | 1 | 1 | 0% | 2,042 | 7,156 | +250% | 0 | 0 | — |
case-08 | pass→fail | 11,986 | 9,837 | -18% | 1 | 1 | 0% | 2,211 | 7,419 | +236% | 0 | 0 | — |
case-09 | fail→fail | 9,943 | 12,920 | +30% | 1 | 1 | 0% | 1,790 | 8,338 | +366% | 0 | 0 | — |
case-10 | pass→pass | 13,107 | 7,062 | -46% | 1 | 1 | 0% | 2,235 | 6,898 | +209% | 0 | 0 | — |
case-11 | fail→pass | 18,231 | 3,784 | -79% | 1 | 1 | 0% | 3,026 | 5,766 | +91% | 0 | 0 | — |
case-12 | fail→pass | 13,476 | 5,168 | -62% | 1 | 1 | 0% | 2,414 | 6,461 | +168% | 0 | 0 | — |
case-13 | pass→pass | 6,152 | 3,040 | -51% | 1 | 1 | 0% | 937 | 5,960 | +536% | 0 | 0 | — |
case-14 | fail→pass | 14,606 | 13,494 | -8% | 1 | 1 | 0% | 2,599 | 8,324 | +220% | 0 | 0 | — |
case-15 | pass→pass | 9,102 | 7,388 | -19% | 1 | 1 | 0% | 1,448 | 6,394 | +342% | 0 | 0 | — |
case-17 | pass→pass | 7,759 | 3,653 | -53% | 1 | 1 | 0% | 1,224 | 6,074 | +396% | 0 | 0 | — |
case-18 | pass→pass | 9,484 | 3,921 | -59% | 1 | 1 | 0% | 1,507 | 5,827 | +287% | 0 | 0 | — |
case-19 | fail→pass | 6,325 | 3,103 | -51% | 1 | 1 | 0% | 938 | 6,008 | +541% | 0 | 0 | — |
case-20 | fail→pass | 6,956 | 3,212 | -54% | 1 | 1 | 0% | 1,192 | 5,966 | +401% | 0 | 0 | — |
case-21 | fail→fail | 11,283 | 9,432 | -16% | 1 | 1 | 0% | 1,964 | 7,318 | +273% | 0 | 0 | — |
case-22 | fail→pass | 8,456 | 3,362 | -60% | 1 | 1 | 0% | 1,571 | 5,996 | +282% | 0 | 0 | — |
case-23 | fail→pass | 11,920 | 2,903 | -76% | 1 | 1 | 0% | 2,100 | 5,903 | +181% | 0 | 0 | — |
case-24 | pass→pass | 13,566 | 11,988 | -12% | 1 | 1 | 0% | 2,565 | 7,317 | +185% | 0 | 0 | — |
DecimalAI ran this skill against gemini-3.6-flash twice over the same eval suite — once with the skill loaded and once without — and compared the two runs case by case. 24 cases were attempted, and 22 counted toward the lift figure. The other 2 produced results that are not comparable between the two arms, so they are excluded from the headline rather than averaged into it. The headline lift of +38 percentage points is the difference between those two pass rates over the 22 comparable cases. 1 case got worse with the skill loaded, and it is included in that figure.
Without the skill loaded, the model failed this case. With it loaded, the same prompt on the same model passed. This is one improved case from the latest verified run; every case, including any that regressed, is in the table above.
Other measured skills in the registry, with their headline benchmark lift.