Connector Problem: ChatGPT client connecting twice and double tool calls

Understanding Duplicate Tool Calls in ChatGPT Integrations: A Technical Examination

Recent observations within ChatGPT API integrations have revealed an issue where tool invocation requests are being executed twice per user action, leading to potential performance degradations and duplicated processing. This phenomenon, reportedly emerging within the last 48 hours, appears to stem from unintended multiple initializations of the ChatGPT client, each establishing separate protocol versions and subsequently doubling all tool-related requests.

Identifying the Issue

The core problem manifests as each tool call—such as editing a node name—being triggered twice, approximately one second apart. Upon inspecting incoming request logs, it becomes evident that the system is initializing two distinct client instances with differing protocol versions, which subsequently handle the same commands concurrently. This dual initialization is characterized by multiple “initialize” requests with different protocol parameters, alongside repeated “notifications/initialized” and “tools/call” requests for the same operation context.

Sample Request Analysis

For instance, two “initialize” RPC requests are observed:

• One with the protocol version 2025-03-26
• Another with 2025-11-25

Both originate from what appears to be the same client, indicating a possible duplication in the handshake process. Similarly, “tools/call” requests for the same operation (“edit-node-name”) are received twice, suggesting that multiple client instances are active simultaneously, both responding to the same user trigger.

Implications and Potential Causes

Such duplications may arise due to:

• Changes or updates in the ChatGPT client or API library that inadvertently trigger multiple initializations.
• Misconfiguration in the client-side code causing repeated connection attempts.
• An API or SDK bug that leads to several simultaneous client initializations during startup or reconnection sequences.

Recommended Troubleshooting Steps

1. Audit Initialization Logic: Review your client setup code to ensure that the initialization process is executed only once per session or page load. Look for any unintentional loops or multiple triggers.

2. Monitor Client Instances: Implement logging to detect multiple client instances being created unexpectedly. This could involve tracking object creation or request origins.

3. Version Compatibility: Confirm that all SDKs and libraries are up-to-date and compatible with current API specifications, as mismatched versions could cause multiple initialization behaviors.

4. Connection Management: Check for auto-reconnect features or event handlers that might cause re-initialization without explicit intent.

5. Consult Documentation and Support: Review official documentation for known issues