Invalid output with error "JSON schema is invalid. It must match JSON Schema draft 2020-12"

Resolved 💬 9 comments Opened Jul 9, 2025 by punksage-duett Closed Jan 5, 2026

Bug Description

Query:

Please check if the docker contains all of dependencies so it can generate a PDF file in AML section

Response:
⎿ API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"tools.15.custom.input_schema: JSON schema is invalid. It must match JSON Schema draft 2020-12 (https://json-schema.org/draft/2020-12). Learn more
about tool use at https://docs.anthropic.com/en/docs/tool-use."}}

Environment Info

  • Platform: darwin
  • Terminal: tmux
  • Version: 1.0.44
  • Feedback ID: 9f026f4e-073e-4472-9a08-f6cde92eef6f

Errors

[{"error":"Error: Command failed: security find-generic-password -a $USER -w -s \"Claude Code\"\nsecurity: SecKeychainSearchCopyNext: The specified item could not be found in the keychain.\n\n    at genericNodeError (node:internal/errors:983:15)\n    at wrappedFn (node:internal/errors:537:14)\n    at checkExecSyncError (node:child_process:892:11)\n    at execSync (node:child_process:964:15)\n    at wD (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:702:3921)\n    at file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:623:9350\n    at Q (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:526:13327)\n    at uC (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:623:8496)\n    at hC (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:623:7361)\n    at wB (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:623:11970)","timestamp":"2025-07-09T12:41:05.342Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"tools.15.custom.input_schema: JSON schema is invalid. It must match JSON Schema draft 2020-12 (https://json-schema.org/draft/2020-12). Learn more about tool use at https://docs.anthropic.com/en/docs/tool-use.\"}}\n    at D6.generate (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1304:12578)\n    at gq.makeStatusError (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1321:2100)\n    at gq.makeRequest (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1321:5311)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async fA1.showErrors (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1690:23214)\n    at async fA1 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1690:12720)\n    at async aR2 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1690:23062)\n    at async file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1690:18138\n    at async Y0A (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1690:5121)\n    at async Vc (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1690:18108)","timestamp":"2025-07-09T12:41:14.052Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"tools.15.custom.input_schema: JSON schema is invalid. It must match JSON Schema draft 2020-12 (https://json-schema.org/draft/2020-12). Learn more about tool use at https://docs.anthropic.com/en/docs/tool-use.\"}}\n    at D6.generate (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1304:12578)\n    at gq.makeStatusError (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1321:2100)\n    at gq.makeRequest (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1321:5311)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async fA1.showErrors (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1690:23214)\n    at async fA1 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1690:12720)\n    at async aR2 (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1690:23062)\n    at async file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1690:18138\n    at async Y0A (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1690:5121)\n    at async Vc (file:///opt/homebrew/lib/node_modules/@anthropic-ai/claude-code/cli.js:1690:18108)","timestamp":"2025-07-09T12:41:32.174Z"}]

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