codex-cli.json

{
  "schema": "harness-contract.v1",
  "harness": {"id": "codex-cli", "surface": "cli"},
  "binary": {"command": "codex", "version_args": ["--version"]},
  "capabilities": [
    {"id": "instructions", "claim": "AGENTS.md is discovered from the workspace hierarchy.", "provenance": "documented", "support_state": "native", "implementation_layers": ["native"], "evidence": [{"kind": "vendor_documentation", "reference": "https://learn.chatgpt.com/docs/agent-configuration/agents-md"}], "tested_version": "0.144.5", "platform": "linux", "scope": "project"},
    {"id": "skills", "claim": "Skills are configured and loaded by Codex.", "provenance": "documented", "support_state": "native", "implementation_layers": ["native"], "evidence": [{"kind": "vendor_documentation", "reference": "https://learn.chatgpt.com/docs/skills"}], "tested_version": "0.144.5", "platform": "linux", "scope": "project and user"},
    {"id": "hooks", "claim": "Lifecycle hooks are supported in trusted configuration layers.", "provenance": "documented", "support_state": "native", "implementation_layers": ["native"], "evidence": [{"kind": "vendor_documentation", "reference": "https://learn.chatgpt.com/docs/hooks"}], "tested_version": "0.144.5", "platform": "linux", "scope": "trusted project and user"},
    {"id": "mcp", "claim": "MCP servers are configurable.", "provenance": "documented", "support_state": "native", "implementation_layers": ["native"], "evidence": [{"kind": "vendor_documentation", "reference": "https://learn.chatgpt.com/docs/extend/mcp"}], "tested_version": "0.144.5", "platform": "linux", "scope": "configuration"},
    {"id": "workspace", "claim": "Project configuration is discovered upward from the working directory.", "provenance": "documented", "support_state": "native", "implementation_layers": ["native"], "evidence": [{"kind": "vendor_documentation", "reference": "https://learn.chatgpt.com/docs/config-file/config-reference"}], "tested_version": "0.144.5", "platform": "linux", "scope": "project"},
    {"id": "session", "claim": "CLI sessions can be resumed.", "provenance": "documented", "support_state": "native", "implementation_layers": ["native"], "evidence": [{"kind": "vendor_documentation", "reference": "https://learn.chatgpt.com/docs/codex/cli"}], "tested_version": "0.144.5", "platform": "linux", "scope": "local session"},
    {"id": "verification", "claim": "Brigade verification is composed through a hook or explicit command.", "provenance": "inferred", "support_state": "advisory", "implementation_layers": ["hook_composed", "brigade_adapter"], "evidence": [{"kind": "probe_receipt", "reference": "probe_codex/.brigade/work/verify-runs/20260718-044953-work-verify-28cebe/receipt.json"}], "tested_version": "0.144.5", "platform": "linux", "scope": "Brigade adapter"},
    {"id": "handoff", "claim": "Brigade handoffs are adapter-level files, not a native Codex enforcement guarantee.", "provenance": "inferred", "support_state": "advisory", "implementation_layers": ["brigade_adapter"], "evidence": [{"kind": "probe_receipt", "reference": "probe_codex/.brigade/work/verify-runs/20260718-044953-work-verify-28cebe/receipt.json"}], "tested_version": "0.144.5", "platform": "linux", "scope": "Brigade adapter"},
    {"id": "reload", "claim": "Reload behavior for project instructions was not probed.", "provenance": "unknown", "support_state": "unsupported", "implementation_layers": ["unknown"], "evidence": [{"kind": "probe_receipt", "reference": "probe_codex/.brigade/runs/20260718-044429-114cf3b9"}], "tested_version": "0.144.5", "platform": "linux", "scope": "unprobed"},
    {"id": "telemetry", "claim": "Telemetry behavior was not probed.", "provenance": "unknown", "support_state": "unsupported", "implementation_layers": ["unknown"], "evidence": [{"kind": "probe_receipt", "reference": "probe_codex/.brigade/runs/20260718-044429-114cf3b9"}], "tested_version": "0.144.5", "platform": "linux", "scope": "unprobed"},
    {"id": "platform", "claim": "Codex CLI is documented for local desktop platforms.", "provenance": "documented", "support_state": "native", "implementation_layers": ["native"], "evidence": [{"kind": "vendor_documentation", "reference": "https://learn.chatgpt.com/docs/codex/cli"}], "tested_version": "0.144.5", "platform": "linux", "scope": "local"}
  ],
  "deep_probes": {
    "instruction": {"state": "declared", "discovery": {"command": "codex", "args": ["--help"]}},
    "skill": "declared",
    "hook": "declared",
    "mcp": "declared",
    "workspace": "declared",
    "session": "declared",
    "verification": "declared",
    "handoff": "declared",
    "reload": "declared",
    "telemetry": "declared",
    "platform": "declared"
  }
}