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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v1.0.122 ·

JSON Agent Definitions

Entry
JSON All of v1.0.122
EntryKind: in v1.0.122,
ChangesSection of the release

What: Define custom agents using JSON format in addition to Markdown files

How to use:

{
  "agents": {
    "my-agent": {
      "description": "Handles custom tasks",
      "prompt": "You are a specialized agent for...",
      "tools": ["Read", "Write", "Bash"],
      "model": "claude-3-5-sonnet-20241022"
    }
  }
}

Details:

  • Enables programmatic agent configuration without creating .md files
  • Supports runtime agent configuration via settings files
  • Agents can now come from "flagSettings" source (CLI configuration)
  • Includes validation with clear error messages for invalid definitions
  • Evidence: QRB schema at line 434547, GRB() at line 434642, $K5() at line 434622

See this entry in the whole of v1.0.122 →

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