Enum McpError 

pub enum McpError {
    InvalidRequest(String),
    UnknownMethod(String),
    InvalidParams(String),
    ToolNotFound(String),
    ToolExecutionFailed(String),
    VersionMismatch {
        expected: String,
        actual: String,
    },
    ParseError(String),
}

MCP protocol errors

Variants

InvalidRequest(String)

Invalid JSON-RPC request

UnknownMethod(String)

Unknown method

InvalidParams(String)

Invalid parameters

ToolNotFound(String)

Tool not found

ToolExecutionFailed(String)

Tool execution failed

VersionMismatch

Protocol version mismatch

Fields

expected: String

Expected version

actual: String

Actual version received

ParseError(String)

Parse error

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<McpError> for Error

fn from(source: McpError) -> Self

Converts to this type from the input type.