Create custom subagents changedsub-agents
Nearest release: v2.1.238, published an hour before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
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14 Aug 2026
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##### Check an `agents` directory before a session
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307307* **A `name` but no `description`**: Claude Code skips the file and writes the reason to the debug log.
308308* **YAML that doesn't parse**: Claude Code reads no fields from the file, skips it, and writes the parse error to the debug log.
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310To see the debug log, run Claude Code with `--debug`. A [plugin subagent](/docs/en/plugins-reference#agents) whose frontmatter has no `name` or doesn't parse still loads, under its filename.
310To see the debug log, run Claude Code with `--debug`.
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312A [plugin subagent](/docs/en/plugins-reference#agents) whose frontmatter has no `name` or doesn't parse still loads, under its filename.
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314##### Check an `agents` directory before a session
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312316To find files in an `agents` directory whose frontmatter doesn't parse, run `claude plugin validate` against the directory, for example `.claude/agents` or `~/.claude/agents`. Claude Code checks only [the directory you name](/docs/en/plugin-marketplaces#validate-a-plugin-or-a-directory-without-a-manifest), and doesn't flag a file whose frontmatter parses but has no `name`. Requires Claude Code v2.1.233 or later.
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