openai/codex · error · anyhow::Error

No MCP server named '{name}' found in configuration.

Error message

No MCP server named '{name}' found in configuration.

What it means

Error "No MCP server named '{name}' found in configuration." thrown in openai/codex.

Source

Thrown at codex-rs/cli/src/mcp_cmd.rs:609

        server.oauth_resource.as_deref(),
        server.oauth_callback_port(config.mcp_oauth_callback_port),
        config.mcp_oauth_callback_url.as_deref(),
        http_client,
    )
    .await?;
    println!("Successfully logged in to MCP server '{name}'.");
    Ok(())
}

async fn run_logout(config: &Config, logout_args: LogoutArgs) -> Result<()> {
    let mcp_manager = load_mcp_manager(config).await?;
    let mcp_servers = mcp_manager.configured_servers(config).await;

    let LogoutArgs { name } = logout_args;

    let server = mcp_servers
        .get(&name)
        .ok_or_else(|| anyhow!("No MCP server named '{name}' found in configuration."))?;

    let url = match &server.transport {
        McpServerTransportConfig::StreamableHttp { url, .. } => url.clone(),
        _ => bail!("OAuth logout is only supported for streamable_http transports."),
    };
    let credential_name = server.oauth_credential_name(&name);

    match delete_oauth_tokens(
        credential_name.as_ref(),
        &url,
        config.mcp_oauth_credentials_store_mode,
        config.auth_keyring_backend_kind(),
    ) {
        Ok(true) => println!("Removed OAuth credentials for '{name}'."),
        Ok(false) => println!("No OAuth credentials stored for '{name}'."),
        Err(err) => return Err(anyhow!("failed to delete OAuth credentials: {err}")),
    }

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/cli/src/mcp_cmd.rs:609 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of openai/codex@339751715c (2026-08-25). Data as JSON: /api/errors/59e0d05dd252223e. Report an issue: GitHub.