Enum ExternalMcpError 

pub enum ExternalMcpError {
    SpawnFailed {
        command: String,
        error: String,
    },
    NoStdin,
    NoStdout,
    SerializationError(String),
    DeserializationError(String),
    WriteError(String),
    ReadError(String),
    RpcError {
        code: i64,
        message: String,
    },
    NotInitialized,
    InvalidToolName(String),
    ServerNotFound(String),
    Timeout {
        operation: String,
        timeout_ms: u64,
    },
}

Errors for external MCP operations

Variants

SpawnFailed

Failed to spawn MCP server process

Fields

command: String

error: String

NoStdin

No stdin available

NoStdout

No stdout available

SerializationError(String)

Serialization error

DeserializationError(String)

Deserialization error

WriteError(String)

Write error

ReadError(String)

Read error

RpcError

RPC error from server

Fields

code: i64

message: String

NotInitialized

Server not initialized

InvalidToolName(String)

Invalid tool name format

ServerNotFound(String)

Server not found

Timeout

Request or operation timed out

Fields

operation: String

timeout_ms: u64

Trait Implementations

impl Debug for ExternalMcpError

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

Formats the value using the given formatter.

impl Display for ExternalMcpError

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

Formats the value using the given formatter.

impl Error for ExternalMcpError

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.