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Add logging #72

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659b17b
add logging
zmofei Nov 21, 2025
759e5db
add logging
zmofei Nov 21, 2025
1b84c58
Merge branch 'main' into add-loggging
mattpodwysocki Nov 24, 2025
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29 changes: 19 additions & 10 deletions src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,8 @@ const server = new McpServer(
{
capabilities: {
tools: {},
resources: {}
resources: {},
logging: {}
}
}
);
Expand All @@ -84,6 +85,7 @@ allResources.forEach((resource) => {
async function main() {
// Initialize OpenTelemetry tracing if not in test mode
let tracingInitialized = false;
let tracingError: Error | null = null;
if (process.env.NODE_ENV !== 'test' && !process.env.VITEST) {
try {
await initializeTracing();
Expand Down Expand Up @@ -122,14 +124,25 @@ async function main() {
span.end();
}
} catch (error) {
// Tracing initialization failed, log it but continue without tracing
server.server.sendLoggingMessage({
level: 'warning',
data: `Failed to initialize tracing: ${error instanceof Error ? error.message : String(error)}`
});
// Store the error to log after connection is established
tracingError = error instanceof Error ? error : new Error(String(error));
}
}

// Start receiving messages on stdin and sending messages on stdout
const transport = new StdioServerTransport();
await server.connect(transport);

// Now that we're connected, send all the logging messages

// Log tracing initialization error if any
if (tracingError) {
server.server.sendLoggingMessage({
level: 'warning',
data: `Failed to initialize tracing: ${tracingError.message}`
});
}

// Log tracing status and configuration
if (tracingInitialized) {
const tracingConfig = {
Expand Down Expand Up @@ -175,10 +188,6 @@ async function main() {
level: 'debug',
data: JSON.stringify(relevantEnvVars, null, 2)
});

// Start receiving messages on stdin and sending messages on stdout
const transport = new StdioServerTransport();
await server.connect(transport);
}

// Ensure cleanup interval is cleared when the process exits
Expand Down