mcp_stdio_proxy/
mcp_error.rs

1use axum::{
2    Json,
3    response::{IntoResponse, Response},
4};
5use http::StatusCode;
6use serde::{Deserialize, Serialize};
7use thiserror::Error;
8
9#[derive(Error, Debug)]
10pub enum AppError {
11    #[error("MCP server error: {0}")]
12    McpServerError(#[from] anyhow::Error),
13
14    #[error("serde_json::Error: {0}")]
15    SerdeJsonError(#[from] serde_json::Error),
16}
17
18#[derive(Debug, Serialize, Deserialize)]
19pub struct ErrorOutput {
20    pub error: String,
21}
22
23impl ErrorOutput {
24    pub fn new(error: impl Into<String>) -> Self {
25        Self {
26            error: error.into(),
27        }
28    }
29}
30
31impl IntoResponse for AppError {
32    fn into_response(self) -> Response<axum::body::Body> {
33        let status = match &self {
34            Self::McpServerError(_) => StatusCode::INTERNAL_SERVER_ERROR,
35            Self::SerdeJsonError(_) => StatusCode::BAD_REQUEST,
36        };
37
38        (status, Json(ErrorOutput::new(self.to_string()))).into_response()
39    }
40}
mcp_stdio_proxy/mcp_error.rs

mcp_stdio_proxy/
mcp_error.rs
