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hermes - 💡(How to fix) Fix iLink WeChat sendmessage rate limiting (ret=-2) with no built-in retry or backoff [1 pull requests]

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Fix Action

Fixed

Code Example

Weixin send failed: iLink sendmessage rate limited: ret=-2 errcode=None errmsg=rate limited
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Problem

When sending messages via iLink/WeChat (send_message tool), the platform returns rate limit errors:

Weixin send failed: iLink sendmessage rate limited: ret=-2 errcode=None errmsg=rate limited

No automatic retry or backoff. In a busy session, rapid sends trigger the limit causing message loss.

Environment

  • Hermes Agent: v2026.4.30
  • Platform: iLink/WeChat
  • Deployment: Docker multi-agent

Expected Behavior

  1. Automatic retry with exponential backoff (like jittered_backoff for LLM calls)
  2. Or message queuing to respect platform limits
  3. Or configurable rate limiter (messages_per_second in config.yaml)

Related

  • #20983 LLM API rate limit fix
  • #20908 rate guard HERMES_HOME fix

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#api#conversation history#tool integration#LLM response#API rate limit

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hermes - 💡(How to fix) Fix iLink WeChat sendmessage rate limiting (ret=-2) with no built-in retry or backoff [1 pull requests]