Enum McpError 

pub enum McpError {
    JsonRpc(String),
    Authentication(String),
    Authorization(String),
    ToolNotFound(String),
    ToolExecutionFailed(String),
    MemoryOperationFailed(String),
    InvalidToolParameters(String),
    ProtocolVersionMismatch {
        expected: String,
        actual: String,
    },
    UnsupportedCapability(String),
    Timeout(String),
    ExternalServerError(String),
    Transport(TransportError),
    Protocol(ProtocolError),
    Serialization(Error),
}

MCP-specific errors

Variants

JsonRpc(String)

Authentication(String)

Authorization(String)

ToolNotFound(String)

ToolExecutionFailed(String)

MemoryOperationFailed(String)

InvalidToolParameters(String)

ProtocolVersionMismatch

Fields

expected: String

actual: String

UnsupportedCapability(String)

Timeout(String)

ExternalServerError(String)

Transport(TransportError)

Protocol(ProtocolError)

Serialization(Error)

Implementations

impl McpError

pub fn is_retryable(&self) -> bool

Check if error is retryable

pub fn is_auth_error(&self) -> bool

Check if error is due to authentication

pub fn to_jsonrpc_code(&self) -> i32

Convert to JSON-RPC error code

Trait Implementations

impl Debug for McpError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for McpError

fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Error for McpError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl From<Error> for McpError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<McpError> for ProtocolError

Convert McpError to ProtocolError

fn from(err: McpError) -> Self

Converts to this type from the input type.

impl From<ProtocolError> for McpError

fn from(source: ProtocolError) -> Self

Converts to this type from the input type.

impl From<TransportError> for McpError

fn from(source: TransportError) -> Self

Converts to this type from the input type.