thirdkeyai/symbi-gemini-cli/symbi-policy

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Create, edit, or validate Cedar authorization policies for Symbiont agents. Use when defining access control rules, setting up security policies, or debugging policy evaluation.

Install

npx vskill@latest install thirdkeyai/symbi-gemini-cli/symbi-policy

SKILL.md

The same SKILL.md was published earlier as ezee234/symbi-gemini-cli/symbi-policy.

Cedar Policy Management

Help the user create or modify Cedar policies for their Symbiont agents.

Cedar Policy Syntax Reference

Cedar policies use permit and forbid to control access:

cedar
// Allow an agent to read from a specific resource
permit(
    principal == Agent::"data-analyzer",
    action == Action::"read",
    resource in ResourceGroup::"public-datasets"
);
 
// Forbid writing PII unless the agent has HIPAA compliance
forbid(
    principal,
    action == Action::"write",
    resource
) when {
    resource.contains_pii == true
} unless {
    principal.compliance_level == "hipaa"
};

Common Policy Patterns

When asked to create a policy, identify the pattern:

  • Role-based: Different agent roles get different permissions
  • Resource-scoped: Permissions vary by resource type/sensitivity
  • Time-bounded: Permissions that expire or are scheduled
  • Approval-gated: Actions requiring human approval
  • Audit-all: Log everything, permit/deny selectively

Workflow

  1. Ask what the policy should govern (which agents, which actions, which resources)
  2. Identify the pattern from the list above
  3. Write the Cedar policy
  4. Save to policies/ directory
  5. If symbi is available, validate with symbi dsl parse to check syntax

Security

  • Security scanPassed, 90 of 100Pattern checks on the skill's files.
  • Model reviewPassed

See the full security report

Quality evaluation

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Source

Popularity

Repository stars
3
7-day trend score
7

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