Check whether an MCP notification follows JSON-RPC notification structure and correctly omits a request ID.
JSON-RPC notifications do not carry an ID and do not receive a response. This tool checks their envelope and parameter structure.
Validate MCP JSON-RPC notifications for method, params and no-response semantics.
Use MCP Notification Validator as a focused pre-flight utility while building, reviewing or debugging an MCP integration. Paste the relevant configuration, protocol message, metadata, schema or value into the tool and review the returned findings before the same data reaches a production client or server.
This validator is useful before configuration is committed, shared with another client or moved into production. Structural validation catches many integration problems early, but runtime behavior should still be tested with the exact client and server implementation you use.
A clean result means the input passed the rules implemented by this utility. It does not guarantee application security, protocol interoperability or correct business behavior. Test important integrations against the exact MCP client, SDK, gateway and server versions used in your deployment.
MCP Resource Template Validator