platform · inferred from evidence
Bedrock Mantle
A platform or service hosting models like bedrock-mantle/openai.gpt-6-astra.
- Strands Agents: 400 Failed to deserialize the JSON body ... unknown variant 'web_search' on Bedrock Mantle...
Using the Strands Agents harness (@strands-agents/cli 0.1.0) with a Bedrock Mantle OpenAI model such as bedrock-mantle/openai.gpt-6-astra, any web search triggered a hard 400 from Mantle: the tools schema only accepts 'function' or 'mcp', b