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1822c994aa
Drop the standalone validate_workflow MCP tool: create_workflow_from_code already runs the identical parse/validate pipeline, so the pre-flight cost an extra round trip (the full workflow code was sent twice per build) and one more tool in every tools/list response. To keep the validation gate as strong without the pre-flight: - ParseValidateHandler now exposes fatal validation issues in a separate `errors` field (still folded into `warnings` for the code-builder agent). - create_workflow_from_code hard-blocks on fatal validation errors and returns them all without persisting anything. - Node-group violations (102_mcp_canvas_groups) are checked before the save path and reported all at once, instead of first-violation-only. - MCP instructions, tool descriptions, recovery hints, and scope maps no longer reference the removed tool. The in-app code-builder agent's internal validate_workflow tool is unaffected. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01EKFYgNjgLFPkft76sXghep |
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