Module bazaar 

The bazaar extension for resource discovery and cataloging. The bazaar extension for resource discovery and cataloging.

The bazaar extension enables resource servers to declare their endpoint specifications (HTTP method or MCP tool name, input parameters, and output format) so that facilitators can catalog and index them in a discovery service.

Example: GET Endpoint

use x402_extensions::bazaar::*;
use x402_core::types::Extension;
use serde_json::json;

let info = BazaarInfo::builder()
    .input(BazaarInput::Http(BazaarHttpInput::builder()
        .method(HttpMethod::GET)
        .query_params(json!({"city": "San Francisco"}))
        .build()))
    .output(BazaarOutput::builder()
        .output_type("json")
        .example(json!({"city": "San Francisco", "weather": "foggy"}))
        .build())
    .build();

let ext = Extension::typed(info);
let (key, transport) = ext.into_pair();
assert_eq!(key, "bazaar");

Example: POST Endpoint

use x402_extensions::bazaar::*;
use x402_core::types::Extension;
use serde_json::json;

let info = BazaarInfo::builder()
    .input(BazaarInput::Http(BazaarHttpInput::builder()
        .method(HttpMethod::POST)
        .body_type("json")
        .body(json!({"query": "example"}))
        .build()))
    .build();

let ext = Extension::typed(info);
let (key, _) = ext.into_pair();
assert_eq!(key, "bazaar");

Example: MCP Tool

use x402_extensions::bazaar::*;
use x402_core::types::Extension;
use serde_json::json;

let info = BazaarInfo::builder()
    .input(BazaarInput::Mcp(BazaarMcpInput::builder()
        .tool("financial_analysis")
        .input_schema(json!({
            "type": "object",
            "properties": {
                "ticker": { "type": "string" }
            },
            "required": ["ticker"]
        }))
        .description("AI-powered financial analysis")
        .build()))
    .output(BazaarOutput::builder()
        .output_type("json")
        .example(json!({"summary": "Strong fundamentals", "score": 8.5}))
        .build())
    .build();

let ext = Extension::typed(info);
let (key, _) = ext.into_pair();
assert_eq!(key, "bazaar");

Structs

BazaarHttpInput

HTTP endpoint input specification.

BazaarHttpInputBuilder

Use builder syntax to set the inputs and finish with build().

BazaarInfo

Discovery info for the bazaar extension.

BazaarInfoBuilder

Use builder syntax to set the inputs and finish with build().

BazaarMcpInput

MCP tool input specification.

BazaarMcpInputBuilder

Use builder syntax to set the inputs and finish with build().

BazaarOutput

Output specification for a bazaar discovery entry.

BazaarOutputBuilder

Use builder syntax to set the inputs and finish with build().

Enums

BazaarInput

Discriminated union for input types.

HttpMethod

HTTP methods supported by the bazaar extension.

McpTransport

MCP transport protocol options.