Struct McpValidationIssue 

pub struct McpValidationIssue { /* private fields */ }

Structured validation failure returned in MCP error details and snapshots.

Implementations

impl McpValidationIssue

pub fn form(message: impl Into<String>) -> Self

Build a form-scoped issue when no field-specific metadata is available.

pub fn custom(scope: McpValidationScope, message: impl Into<String>) -> Self

Build a generic issue for integrations that already have structured metadata.

pub fn required(field: impl AsRef<str>) -> Self

Build a required-field issue.

pub fn for_rule( field: impl AsRef<str>, rule: McpValidationRule, message: impl Into<String>, ) -> Self

Build an issue from a static validation rule descriptor.

pub fn for_filter_rule( filter: impl Into<String>, rule: McpValidationRule, message: impl Into<String>, ) -> Self

Build a table-filter issue from a static validation rule descriptor.

pub fn with_element_index(self, element_index: usize) -> Self

Attach the failing collection element index to an element issue.

pub fn with_field(self, field: impl AsRef<str>) -> Self

Attach a field name to an issue.

pub fn with_filter(self, filter: impl Into<String>) -> Self

Attach a table filter name to an issue.

pub fn with_validator(self, validator: impl Into<String>) -> Self

Attach a validator name to a generic issue.

pub fn with_label(self, label: impl Into<String>) -> Self

Attach a source label to a generic issue.

pub fn field(&self) -> Option<&str>

Field name for field or element issues.

pub fn filter(&self) -> Option<&str>

Table filter name for filter issues.

pub fn message(&self) -> &str

Human-readable validation message.

pub fn to_value(&self) -> Value

Convert the issue to JSON for MCP structured content.

Trait Implementations

impl Clone for McpValidationIssue

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for McpValidationIssue

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

Formats the value using the given formatter.

impl Eq for McpValidationIssue

impl PartialEq for McpValidationIssue

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for McpValidationIssue