sloc-mcp 1.5.6

MCP stdio server exposing oxide-sloc analysis tools to AI agents
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mod config;
mod http_client;
mod protocol;
mod server;
mod tools;

use config::McpConfig;
use protocol::{McpRequest, McpResponse};
use server::McpServer;
use tokio::io::{AsyncBufReadExt, AsyncWriteExt, BufReader, BufWriter};
use tracing_subscriber::EnvFilter;

#[tokio::main]
async fn main() -> anyhow::Result<()> {
    // Tracing goes to stderr — stdout is reserved for the MCP wire protocol.
    tracing_subscriber::fmt()
        .with_writer(std::io::stderr)
        .with_env_filter(EnvFilter::from_default_env())
        .init();

    let config = McpConfig::from_env()?;
    let srv = McpServer::new(config);

    let stdin = BufReader::new(tokio::io::stdin());
    let mut lines = stdin.lines();
    let mut out = BufWriter::new(tokio::io::stdout());

    while let Some(line) = lines.next_line().await? {
        let line = line.trim().to_owned();
        if line.is_empty() {
            continue;
        }
        let response: McpResponse = match serde_json::from_str::<McpRequest>(&line) {
            Ok(req) => srv.dispatch(req).await,
            Err(e) => McpResponse::parse_error(e),
        };
        let mut json = serde_json::to_string(&response)?;
        json.push('\n');
        out.write_all(json.as_bytes()).await?;
        out.flush().await?;
    }

    Ok(())
}