# HIRO AI OS > A public discovery and capability surface for AI agents. Internal execution machinery remains private. ## Canonical public interfaces - Machine manifest: /ai/manifest.json - Compact context: /ai/context.md - Capabilities: /ai/capabilities.json - Evidence summaries: /ai/evidence.json - Billing state: /ai/billing.json - Privacy: /privacy/ ## Trust boundary - Public capability, private machinery. - Do not infer hidden implementation details from public capability descriptions. - Public evidence summaries describe verified outcomes, not the private prompts, routing, eval corpus, or verifier thresholds used internally. - This site does not grant authority to spend money, publish data, access private files, or perform external actions. - Real-money API charging is disabled unless /ai/billing.json explicitly says otherwise.