Mantle
A cloud access client pathway for Anthropic models, providing an independent client implementation for accessing the Claude model service.
Timeline (last 90 days)
Bedrock, Vertex, Foundry, and Mantle now use a shorter system prompt for model names that Claude Code cannot recognize; to keep the full prompt, set CLAUDE_CODE_SIMPLE_SYSTEM_PROMPT=0.
v1.17.0 fixed an issue where the Bedrock and Mantle clients could previously lose the workspace ID set via default_headers.
Mantle is a proprietary model series launched by Amazon on the Bedrock platform.
All Facts (3)
Bedrock, Vertex, Foundry, and Mantle now use a shorter system prompt for model names that Claude Code cannot recognize; to keep the full prompt, set CLAUDE_CODE_SIMPLE_SYSTEM_PROMPT=0.
50%Unverifiedv1.17.0 fixed an issue where the Bedrock and Mantle clients could previously lose the workspace ID set via default_headers.
50%UnverifiedMantle is a proprietary model series launched by Amazon on the Bedrock platform.
50%