Config schema

harness.config.json is validated by harness.config.HarnessConfig.

{
  "schema_version": 1,
  "harness_version": "0.1.0",
  "blueprint": "rag-agent",
  "blueprint_version": "1.0.0",
  "manifest": ".harness/manifest.json",
  "profile":  ".harness/profile.yaml",
  "adapters": ["claude-code", "cursor", "continue", "codex-cli", "windsurf"],
  "skills_dir": "SKILLS",
  "extras": {}
}

Field	Type	Description
schema_version	int	Always 1 in v0.1. Bumped on breaking changes.
harness_version	string	Version of harnessforge that wrote this file.
blueprint	string	Blueprint name (rag-agent, etc.).
blueprint_version	string	Blueprint version.
manifest	string	Path to the file manifest (default .harness/manifest.json).
profile	string	Path to the canonical profile (default .harness/profile.yaml).
adapters	array of strings	IDE adapters rendered (claude-code, cursor, continue, codex-cli, windsurf).
skills_dir	string	Where SKILLS live (default SKILLS).
extras	object	Forward-compatible bag. Unknown keys are preserved on read.