Create a custom policy from a natural language description. Policies define rules that agents must follow. Example policies: - "Block access to customer credit card data" - "Require approval for any external API calls" - "Rate limit database queries to 100 per minute" - "Log all file deletions" ...
Bulk/mass operation — affects multiple targets
Part of the Agentos MCP server. Enforce policies on this tool with Intercept, the open-source MCP proxy.
AI agents use create_policy to create or modify resources in Agentos. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call create_policy repeatedly, creating or modifying resources faster than any human could review. Intercept's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Agentos.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
tools:
create_policy:
rules:
- action: allow
rate_limit:
max: 30
window: 60See the full Agentos policy for all 10 tools.
Agents calling write-class tools like create_policy have been implicated in these attack patterns. Read the full case and prevention policy for each:
Other tools in the Write risk category across the catalogue. The same policy patterns (rate-limit, validate) apply to each.
Create a custom policy from a natural language description. Policies define rules that agents must follow. Example policies: - "Block access to customer credit card data" - "Require approval for any external API calls" - "Rate limit database queries to 100 per minute" - "Log all file deletions" Policies can be based on existing templates: - pii-protection, rate-limiting, cost-control - gdpr-compliance, soc2-security, hipaa-healthcare The policy engine will translate your description into enforceable rules.. It is categorised as a Write tool in the Agentos MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Add a rule in your Intercept YAML policy under the tools section for create_policy. You can allow, deny, rate-limit, or validate arguments. Then run Intercept as a proxy in front of the Agentos MCP server.
create_policy is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the create_policy rule in your Intercept policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the Intercept policy for create_policy. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
create_policy is provided by the Agentos MCP server (@microsoft/agentos-mcp-server). Intercept sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic policy on every MCP tool call. Per-identity grants. Full audit log.