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fix: honor RUST_LOG in mcp-client CLI and default to DEBUG (#1149)

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We had `debug!()` logging statements already, but they weren't being
printed because `tracing_subscriber` was not set up.
This commit is contained in:
Michael Bolin
2025-05-28 17:10:06 -07:00
committed by GitHub
parent ae1a83f095
commit 392fdd7db6
1 changed files with 13 additions and 0 deletions
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13
codex-rs/mcp-client/src/main.rs
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@@ -20,9 +20,22 @@ use mcp_types::Implementation;
use mcp_types::InitializeRequestParams; use mcp_types::InitializeRequestParams;
use mcp_types::ListToolsRequestParams; use mcp_types::ListToolsRequestParams;
use mcp_types::MCP_SCHEMA_VERSION; use mcp_types::MCP_SCHEMA_VERSION;
use tracing_subscriber::EnvFilter;
#[tokio::main] #[tokio::main]
async fn main() -> Result<()> { async fn main() -> Result<()> {
let default_level = "debug";
let _ = tracing_subscriber::fmt()
// Fallback to the `default_level` log filter if the environment
// variable is not set _or_ contains an invalid value
.with_env_filter(
EnvFilter::try_from_default_env()
.or_else(|_| EnvFilter::try_new(default_level))
.unwrap_or_else(|_| EnvFilter::new(default_level)),
)
.with_writer(std::io::stderr)
.try_init();
// Collect command-line arguments excluding the program name itself. // Collect command-line arguments excluding the program name itself.
let mut args: Vec<String> = std::env::args().skip(1).collect(); let mut args: Vec<String> = std::env::args().skip(1).collect();