saas role permission matrix builder

    1

    Converts SaaS roles and routes into a secure, auditable RBAC model with gap analysis and negative test plans.

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    saas role permission matrix builder

    Example session with this skill installed

    Audit RBAC for our Task Management module. Roles: OrgAdmin, ProjectLead, Contributor. Resources: Project, Task, Comment. Routes in ./app/Http/Controllers/TaskController.php.

    • Read your context and instructions
    • Compiled the saas role permission
    • Generated the document

    I have analyzed the Task Management module. I mapped 3 roles against 3 resources and identified 4 security findings including one critical cross-tenant leakage risk.

    SaaS Role-Permission Matrix: Task Management

    ResourceActionOrgAdminProjectLeadContributor
    ProjectCreateAllowDenyDeny
    ProjectDeleteAllowDenyDeny
    TaskCreateAllowAllowAllow (bound)
    TaskUpdateAllowAllow (bound)Allow (owner)
    CommentDeleteAllowAllow (bound)Deny

    Authorization Findings

    IDFindingSeverityLocation
    F-003Privilege EscalationHighTaskController@update - Contributor can change project_id
    F-005Cross-tenant LeakageCriticalTaskController@index - Missing whereTenantId scope
    F-007Destructive ActionMedTaskController@destroy - No soft-delete or audit log
    F-008Client-Side GuardLowProject deletion only hidden in UI; route is active

    Enforcement Spec & Negative Test Plan

    
### Enforcement: Task Update (Allow - Owner)
Pattern: Ensure `task->user_id === auth()->id()` AND `task->project->tenant_id === auth()->tenant_id`.
Location: `TaskPolicy.php`

### Negative Test: Contributor Delete Comment
- Attacker: Contributor (ID: 5, Tenant: A)
- Target: DELETE /api/comments/99 (Tenant: A, Owner: 10)
- Expected: 403 Forbidden
- Side-effect: Comment 99 must persist in DB.

    Least-Privilege Scorecard

    • Deny Coverage: 100% (6/6 deny cells have negative tests)
    • Logic Integrity: Pass (No blanket admin bypass detected)
    • Risk Level: High (F-005 must be remediated immediately)

    Next steps

    1. Implement tenant scoping on the TaskController@index method to resolve F-005.
    2. Add a server-side ownership check to the Comment deletion logic.
    3. Update the Contributor role to use a policy-based guard for task updates.

    saas-role-permission-matrix-builder.pdf

    PDF · document

    Generated

    Example file from a real run - the skill writes it into your workspace.

    Connects securely to your tools. The creator never sees your data.

    What you get

    Generate a formal permission matrix for SOC 2 or ISO 27001 compliance.Detect privilege escalation paths in existing API controllers.Design a "deny-by-default" authorization model for multi-tenant apps.Create a comprehensive negative test suite for all restricted API routes.

    About this skill

    The problem

    Vague authorization models lead to privilege escalation, cross-tenant data leaks, and failed security audits. Developers often rely on frontend visibility or blanket admin roles that hide dangerous server-side gaps.

    What it does

    • Builds a canonical Role-Permission matrix mapping every role, resource, and action.
    • Performs a gap analysis to surface admin bypasses, unsafe exports, and missing server-side checks.
    • Generates a negative test plan for every denied permission to prevent regression.
    • Produces a least-privilege scorecard to validate SOC 2 or ISO 27001 compliance readiness.

    Frameworks & tools

    Agnostic. Works with any SaaS backend, OpenAPI specs, and framework-specific policy files (e.g., Laravel Policies, Pundit, or custom middleware).

    Why this beats prompting it yourself

    Standard LLMs often hallucinate "allow" by default or miss subtle cross-tenant leakage paths. This skill enforces a "deny-by-default" logic, specifically looks for known F-series authorization flaws, and ensures 100% test coverage for every denied route.

    Use cases

    • Preparing for a security audit by documenting the formal permission model.
    • Mapping out RBAC for a new multi-tenant SaaS feature before coding.
    • Auditing existing controllers to find routes that lack ownership checks.
    • Designing negative integration tests for a security-critical API.

    Known limitations

    Does not execute code or apply patches. It does not model API gateway configurations or infrastructure-level CORS policies.

    How to install

    Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.

    ~30 seconds
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