Inspect an MCP JSON-RPC message to identify its method namespace, operation, named target and routing metadata.
This utility breaks a JSON-RPC method into its MCP namespace and operation, identifies whether the message is a request or notification, and shows routing values that can be mirrored into modern HTTP headers.
Inspect MCP method namespaces, operations, request type and routing metadata.
Use MCP Method Inspector 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.
Protocol checks are especially useful when debugging interoperability between different MCP clients, servers, gateways and SDK versions. The tool analyzes the data you provide and does not initiate a live MCP exchange.
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 Server Discover Response Validator