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Power Platform Community / Forums / Copilot Studio / Agent Instruction Limi...
Copilot Studio
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Agent Instruction Limit (8K Characters) – Dataverse MCP Tool Integration Issue

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Hi MCS Community,
 
I'm working with Copilot Studio agents and trying to integrate the Dataverse MCP tool. However, I’ve run into a limitation where the agent instructions field only allows up to 8,000 characters. This is proving to be a challenge because the tool requires detailed and structured guidance that exceeds this limit.
I attempted to use the sub-agent feature to split the logic and instructions, but it doesn’t seem to work as expected in this context. Has anyone found a workaround or best practice for handling complex tool integrations that require more than 8K characters in instructions?
Would appreciate any insights or suggestions!
 
Thanks,
Akash
I have the same question (0)
  • Romain The Low-Code Bearded Bear Profile Picture
    2,575 Super User 2026 Season 1 on at
    my first reflexe would be to split instruction inside AI builder (from tool it's called prompt) to have sub step with own instruction. 

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