Decision Guard Skill

Validate implementation approaches against Brief decisions

majiayu000/claude-skill-registry·0installs663starsSecurity

SKILL.md

Full skill instructions

Decision Guard Skill

Automatically checks proposed approaches against existing architectural and business decisions.

Usage Pattern

Before implementing significant changes:

// Agent calls:
mcp__brief__brief_execute_operation({
  operation: "guard_approach",
  parameters: {
    approach: "Refactor authentication to use OAuth2 instead of API keys"
  }
})

Returns:

✅ Proceed: No conflicts with existing decisions
⚠️ Review: Potential conflicts with D-123, D-456
❌ Blocked: Direct conflict with D-789 (decided to keep API keys for backwards compatibility)

When to Use

Call guard_approach before:

Architectural changes (auth, database, API design)
Dependency changes (switching libraries)
Breaking changes to public APIs
Changes to core workflows

Integration Points

task-planner agent: Calls during planning phase (REQUIRED)
implementation agent: Calls before major refactors
/onboard: Could optionally call to check if task conflicts with decisions

Example Workflow

User: "Refactor auth to use OAuth2"

task-planner agent:
1. Calls guard_approach("Switch from API keys to OAuth2 for authentication")
2. Response: "⚠️ Conflicts with D-234: Keep API keys for MCP server compatibility"
3. Asks user: "Existing decision D-234 requires API keys for MCP. Proceed anyway?"
4. User decides: proceed, modify approach, or cancel

Best Practices

Call early (during planning, not after implementation)
Be specific in approach description
If conflict found, present options to user
Document override reason if proceeding despite conflict

Install skill

Copy and run in your terminal

npx -y skills add https://github.com/majiayu000/claude-skill-registry --skill decision-guard

View on GitHub

skills/data/decision-guard/SKILL.md

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