Struct SchemaCompletionHandler 

pub struct SchemaCompletionHandler { /* private fields */ }

Schema-based completion handler

Provides completion suggestions based on JSON schema definitions. Useful for tool parameters that have enum constraints or specific patterns.

Features

• Enum value completion
• Pattern-based completion
• Type-aware suggestions
• Format-specific completions (email, date, etc.)

Example

use prism_mcp_rs::core::completion_handlers::SchemaCompletionHandler;
use serde_json::json;

let schema = json!({
"type": "object",
"properties": {
"priority": {
"type": "string",
"enum": ["low", "medium", "high"]
}
}
});

let handler = SchemaCompletionHandler::new(schema);

Implementations

impl SchemaCompletionHandler

pub fn new(schema: Value) -> Self

Create a new schema-based completion handler

Arguments

• schema - JSON schema defining the parameter structure

pub fn add_custom_completions<S: AsRef<str>>( self, parameter_name: S, values: Vec<S>, ) -> Self

Add custom completion values for a specific parameter

Arguments

• parameter_name - Name of the parameter
• values - List of completion values

Trait Implementations

impl CompletionHandler for SchemaCompletionHandler

fn complete<'life0, 'life1, 'life2, 'life3, 'async_trait>( &'life0 self, _reference: &'life1 CompletionReference, argument: &'life2 CompletionArgument, _context: Option<&'life3 CompletionContext>, ) -> Pin<Box<dyn Future<Output = McpResult<Vec<String>>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait, 'life3: 'async_trait,

Generate completion suggestions