MCP server for agentvet: validate LLM-generated tool-call args before execution. Returns a typed error with an LLM-friendly retry hint when the args don't match.

Validate LLM-generated tool args before execution. Wrap your tools with a schema; throws ToolArgError with an LLM-friendly retry hint when the model hallucinates wrong types. Zero deps.

Security scanner for AI agent skills, configs, and MCP tools. Vet before you trust.

The agent reliability stack: fit, guard, snap, vet, cast. One install for all five sibling libraries (token-aware truncation, network-egress firewall, snapshot tests, tool-arg validation, structured-output enforcer).