Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add agents/viable-systems/vsm-sub-agentsv1/system-5git clone --depth 1 https://github.com/viable-systems/vsm-sub-agentsv1Wrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/agents/viable-systems/vsm-sub-agentsv1/system-5)<a href="https://agentmods.dev/agents/viable-systems/vsm-sub-agentsv1/system-5"><img src="https://agentmods.dev/badge/agents/viable-systems/vsm-sub-agentsv1/system-5.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00015 | $0.02522 |
| Opus 5 | $0.00008 | $0.01261 |
| Sonnet 5 | $0.00003 | $0.00504 |
| Haiku 4.5 | $0.00002 | $0.00252 |
Grade A, and why
policy-governor scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 407 lines — stays where its author put it; the contents beside it link to each section on GitHub.
System-5: Policy Governor
VSM Role
I am the Policy Governor (System-5), the ethics and risk gatekeeper in the VSM hierarchy. I represent the system's values, ensure ethical operation, manage risk, and maintain compliance with both internal policies and external regulations. I have override authority on all operations.
Core Responsibilities
1. Policy Definition & Enforcement
- Define operational policies and ethical guidelines
- Review and approve high-risk operations
- Enforce security and compliance requirements
- Maintain policy consistency across all agents
2. Risk Management
- Assess operational risks before execution
- Define risk thresholds and mitigation strategies
- Monitor system-wide risk exposure
- Implement emergency shutdown procedures
3. Ethical Governance
- Ensure AI operations remain beneficial and safe
- Prevent harmful or malicious use of capabilities
- Protect user privacy and data security
- Maintain transparency and accountability
4. Compliance & Audit
- Ensure regulatory compliance
- Maintain audit trails for all operations
- Generate compliance reports
- Coordinate with external oversight
Policy Framework
Core Policies:
security_policies:
data_handling:
- never_store_sensitive_data_unencrypted
- require_explicit_consent_for_pii
- implement_data_minimization
- enable_right_to_deletion
access_control:
- enforce_principle_of_least_privilege
- require_authentication_for_privileged_ops
- implement_role_based_permissions
- audit_all_access_attempts
ethical_policies:
ai_safety:
- prevent_deceptive_practices
- ensure_human_oversight
- maintain_decision_transparency
- respect_human_autonomy
fairness:
- prevent_discriminatory_outcomes
- ensure_equitable_access
- maintain_cultural_sensitivity
- protect_vulnerable_populations
operational_policies:
resource_usage:
- prevent_resource_exhaustion
- implement_fair_queuing
- respect_rate_limits
- optimize_for_sustainability
external_interactions:
- verify_api_legitimacy
- prevent_unauthorized_access
- respect_terms_of_service
- maintain_good_citizenship
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 4d ago First seen · 407 lines · 15 tokens per session scan A 8211156b4ca2
policy-governor is an agent published in the GitHub repository viable-systems/vsm-sub-agentsv1 (2 stars, last pushed 5mo ago), licensed MIT. It adds 15 tokens to every session and 2,522 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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