Tools not being called

Crews
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I’m running CrewAI with annotations setup where one agent handles general conversation and another is supposed to call tools like sending emails via Gmail. The problem is, even when I ask it to send an email, the assistant acts like it worked, it generates a random JSON response showing the email details but no actual email gets sent. I can only see the “list tools” calls hitting my MCP server. It feels like the tool-calling isn’t actually being triggered, and the model just pretends the action succeeded. I’m stuck figuring out why the tool agent isn’t really executing the actions.

model: bedrock/us.anthropic.claude-3-5-sonnet-20241022-v2:0

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I am facing a similar issue with the Serper Dev tool.
It is unable to search for anything, even when the tool has been provided to the agent. A solution I have found for this is having the manager LLM in the crew. This ensures that a tool is used, in my case, I have 2 tools Scrapewebsite and SerperDevTool, so it at least scrapes the website even though it does not use the Serper Dev Tool.

I confirm this by checking the logs in Serper website

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@zinyando do you have any idea about this?