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openclaw - 💡(How to fix) Fix Skills check: os: macos requirement not detected on macOS [1 participants]

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openclaw/openclaw#61338•Fetched 2026-04-08 02:59:47
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Fix Action

Workaround

Removing the os: macos line from the skill's SKILL.md frontmatter resolves the issue.

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Bug Description

openclaw skills check reports macos-calendar skill as missing requirements with (os: macos), but the system is running macOS.

Environment

  • OS: macOS 26.4 (arm64) — Darwin
  • OpenClaw: 2026.4.2
  • Node: v25.8.0

Steps to Reproduce

  1. Install macos-calendar skill (which has openclaw.os: macos in SKILL.md metadata)
  2. Run openclaw skills check
  3. Skill appears under 'Missing requirements' with (os: macos)

Expected Behavior

The skill should be listed as eligible since the system is running macOS (Darwin).

Actual Behavior

macos-calendar (os: macos) appears in 'Missing requirements' section.

Additional Info

  • uname -s returns Darwin
  • openclaw status shows macos 26.4 (arm64)
  • All actual dependencies (osascript, python3) are present
  • The os detection logic may not be matching 'macos' correctly

Workaround

Removing the os: macos line from the skill's SKILL.md frontmatter resolves the issue.

extent analysis

TL;DR

The issue can be resolved by adjusting the os detection logic in OpenClaw to correctly match 'macos' with 'Darwin'.

Guidance

  • Verify that the openclaw.os detection logic is correctly implemented to recognize 'Darwin' as 'macos'.
  • Check the SKILL.md metadata for the macos-calendar skill to ensure it only specifies os: macos without any additional conditions.
  • Consider updating the macos-calendar skill to use a more specific os detection method, such as checking for 'Darwin' explicitly.
  • Review the OpenClaw documentation to see if there are any known issues or workarounds related to os detection on macOS.

Example

No code snippet is provided as the issue is related to configuration and detection logic.

Notes

The workaround of removing the os: macos line from the skill's SKILL.md frontmatter resolves the issue, but it may not be a desirable long-term solution. The root cause of the issue seems to be related to the os detection logic in OpenClaw.

Recommendation

Apply workaround: Remove the os: macos line from the skill's SKILL.md frontmatter, as it allows the skill to be recognized as eligible on macOS systems. However, it is recommended to investigate and fix the os detection logic in OpenClaw for a more robust solution.

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