msd-core/capabilities/opencode/capability.json

{
  "id": "opencode",
  "role": "runtime",
  "version": "1.13.0",
  "title": "OpenCode",
  "description": "OpenCode — XDG-based config dir; flat commands/ + skills artifact layout; settings-json config format; no lifecycle hook registration; tier-2 support.",
  "tier": "core",
  "requires": [],
  "engines": {
    "gsd": ">=1.6.0"
  },
  "runtime": {
    "configHome": {
      "kind": "xdg",
      "name": "opencode",
      "env": [
        "OPENCODE_CONFIG_DIR",
        "OPENCODE_CONFIG",
        "XDG_CONFIG_HOME"
      ]
    },
    "localConfigDir": ".opencode",
    "configFormat": "settings-json",
    "artifactLayout": {
      "global": [
        {
          "kind": "commands",
          "destSubpath": "commands",
          "prefix": "gsd-",
          "nesting": "flat",
          "recursive": false,
          "converter": null
        },
        {
          "kind": "skills",
          "destSubpath": "skills",
          "prefix": "gsd-",
          "nesting": "flat",
          "recursive": true,
          "converter": "convertClaudeCommandToOpencodeSkill"
        },
        {
          "kind": "agents",
          "destSubpath": "agents",
          "prefix": "gsd-",
          "nesting": "flat",
          "recursive": false,
          "converter": "convertClaudeToOpencodeFrontmatter"
        }
      ],
      "local": [
        {
          "kind": "commands",
          "destSubpath": "commands",
          "prefix": "gsd-",
          "nesting": "flat",
          "recursive": false,
          "converter": null
        },
        {
          "kind": "skills",
          "destSubpath": "skills",
          "prefix": "gsd-",
          "nesting": "flat",
          "recursive": true,
          "converter": "convertClaudeCommandToOpencodeSkill"
        },
        {
          "kind": "agents",
          "destSubpath": "agents",
          "prefix": "gsd-",
          "nesting": "flat",
          "recursive": false,
          "converter": "convertClaudeToOpencodeFrontmatter"
        }
      ]
    },
    "triggerPrecedence": [
      "skills",
      "commands"
    ],
    "commandStyle": "slash-hyphen",
    "hooksSurface": "none",
    "extensionEvents": "opencode",
    "sandboxTier": "none",
    "supportTier": 2,
    "installSurface": "settings-json",
    "writesSharedSettings": true,
    "permissionWriter": "opencode",
    "extendedHookEvents": [],
    "hostIntegration": {
      "embeddingMode": "imperative",
      "commandSurface": "slash-file",
      "dispatch": {
        "namedDispatch": true,
        "nested": "undocumented",
        "maxDepth": "undocumented",
        "background": false,
        "subagentToolkit": "full",
        "backgroundDispatch": false,
        "isolation": "orchestrator-worktree",
        "maxConcurrency": "undocumented"
      },
      "modelMode": "active",
      "hookBus": "host",
      "stateIO": "filesystem",
      "transport": "mcp",
      "runtime": "bun",
      "effortSurface": "argv"
    },
    "orchestratorExec": {
      "command": "opencode",
      "args": [
        "run"
      ],
      "cwdFlag": "--dir",
      "promptFlag": null
    },
    "hostBehaviors": {
      "reapplyCommand": "/gsd-update --reapply",
      "attributionConfigResolver": "opencode",
      "flatCommandDir": "commands",
      "combinedFamilyInstall": true,
      "frontmatterDialect": "opencode",
      "nativePlugin": {
        "dir": "plugins",
        "file": "gsd-core.js",
        "source": ".opencode/plugins/gsd-core.js"
      },
      "skipHomePrefixSubstitution": true,
      "skipSettingsUi": true,
      "skipUpdateBannerCommand": true,
      "skipCodexSkillsManifest": true
    }
  },
  "reviewer": {
    "slug": "opencode",
    "flags": [
      "--opencode"
    ],
    "transport": "spawn",
    "probe": {
      "kind": "command-exists",
      "binary": "opencode"
    },
    "invoke": {
      "binary": "opencode",
      "args": [
        "run",
        "{{model}}",
        "{{effort}}",
        "--format",
        "json",
        "-"
      ],
      "promptChannel": "stdin",
      "outputChannel": "stdout",
      "modelArg": "--model",
      "effortChannel": "argv"
    },
    "timeoutFloorMs": 660000,
    "timeoutConfigKey": "review.timeouts.opencode",
    "emptyOutput": "stub-with-stderr",
    "reviewsSection": "OpenCode",
    "evidenceClass": "source-grounded",
    "requiresBinaries": [],
    "promptBudgetKey": "review.max_prompt_tokens_per_reviewer.opencode",
    "modelConfigKey": "review.models.opencode",
    "effortConfigKey": "review.effort.opencode",
    "defaultEffort": "high",
    "handler": "opencode"
  },
  "config": {
    "review.models.opencode": {
      "type": "string",
      "default": "",
      "description": "Model passed to the OpenCode reviewer lane."
    },
    "review.max_prompt_tokens_per_reviewer.opencode": {
      "type": "number",
      "default": -1,
      "description": "Prompt-token budget for the OpenCode reviewer lane. Unset is -1, a sentinel: 0 is a legitimate value meaning \"do not trim this lane\", so it cannot double as \"not configured\"."
    },
    "review.timeouts.opencode": {
      "type": "number",
      "default": -1,
      "description": "Outer wall-clock timeout override (seconds) for the OpenCode reviewer lane. Unset is -1, a sentinel: 0 or a negative number is also treated as unset (a timeout has no legitimate zero/negative value), so no second sentinel is needed. Falls back to the lane's built-in timeoutFloorMs when unset."
    },
    "review.effort.opencode": {
      "type": "string",
      "default": "",
      "description": "Reasoning effort for the OpenCode reviewer lane: minimal, low, medium, high, xhigh, max, or inherit. Unset falls back to the lane's declared review default (high); inherit emits no effort argument so the CLI's own configuration decides. An unrecognized value falls back to the lane default rather than being forwarded."
    }
  }
}