# `AshAi.Verifiers.McpResourceActionsReturnString`
[🔗](https://github.com/ash-project/ash_ai/blob/v0.6.1/lib/ash_ai/verifiers/mcp_resource_actions_return_string.ex#L5)

Verifies that all MCP resource actions return strings.

This verifier ensures that actions used as MCP resources have a return type
of `Ash.Type.String`, which is required for MCP protocol compatibility.

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*Consult [api-reference.md](api-reference.md) for complete listing*