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openclaw - 💡(How to fix) Fix Gateway agent calls fail: 'Invalid value: custom' for tools[].type

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Cron jobs failing because gateway passes tools[].type: "custom" to Anthropic Messages API → 400.

Error Message

{
  "type": "error",
  "error": {
    "type": "invalid_request_error",
    "code": "unknown_parameter",
    "message": "Invalid value: 'custom'",
    "param": "tools"
  },
  "status": 400
}

Root Cause

Summary

Cron jobs failing because gateway passes tools[].type: "custom" to Anthropic Messages API → 400.

Fix Action

Workaround

openclaw cron disable <id> for affected jobs.

Code Example

{
  "type": "error",
  "error": {
    "type": "invalid_request_error",
    "code": "unknown_parameter",
    "message": "Invalid value: 'custom'",
    "param": "tools"
  },
  "status": 400
}
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Summary

Cron jobs failing because gateway passes tools[].type: "custom" to Anthropic Messages API → 400.

Repro

  • Version: openclaw 2026.5.19 (a185ca2)
  • Platform: macOS 26.5 arm64, node 22.22.2
  • Setup: 2 agents (main + crcbot), 11 cron jobs targeting Anthropic + OpenAI

Error

{
  "type": "error",
  "error": {
    "type": "invalid_request_error",
    "code": "unknown_parameter",
    "message": "Invalid value: 'custom'",
    "param": "tools"
  },
  "status": 400
}

Source

grep -r 'type: "custom"' dist/ shows the literal in src-BSuxs9xi.js + schemas-Bmna8ihM.js (3 occurrences). Anthropic Messages API doesn't accept tools[].type: 'custom' as a valid tool type. Valid: omit type for user-defined tools, or use computer_20241022/text_editor_20241022/bash_20241022 for builtin tools.

Impact

All cron jobs w/ tool-calling agents fail silently. openclaw secrets audit clean, openclaw status clean, but cron list shows 9/11 jobs in error state.

Workaround

openclaw cron disable <id> for affected jobs.

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