mcp_core_rs/protocol/
constants.rs

1pub const JSONRPC_VERSION_FIELD: &str = "jsonrpc";
2pub const JSONRPC_EXPECTED_VERSION: &str = "2.0";
3
4pub const PROTOCOL_VERSION: &str = "2024-11-05";
5
6// Standard JSON-RPC error codes
7pub const PARSE_ERROR: i32 = -32700;
8pub const INVALID_REQUEST: i32 = -32600;
9pub const METHOD_NOT_FOUND: i32 = -32601;
10pub const INVALID_PARAMS: i32 = -32602;
11pub const INTERNAL_ERROR: i32 = -32603;