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msd-core/capabilities/antigravity/capability.json
2026-09-06 02:10:29 +00:00

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{
"id": "antigravity",
"role": "runtime",
"version": "1.13.0",
"title": "Antigravity",
"description": "Google Antigravity IDE — config/settings home nested under ~/.gemini/antigravity (probed across 1.x and 2.x layouts); global skills/agents install under ~/.gemini/config, the dir AGY scans for global discovery (#3738); Gemini hook event dialect; flat skill layout; tier-1 support.",
"tier": "core",
"requires": [],
"engines": {
"gsd": ">=1.6.0"
},
"runtime": {
"configHome": {
"kind": "dot-home-nested",
"name": "antigravity",
"parent": ".gemini",
"env": [
"ANTIGRAVITY_CONFIG_DIR"
],
"probe": [
"antigravity",
"antigravity-ide",
"antigravity-cli"
],
"probeExists": "gsd-core/VERSION"
},
"localConfigDir": ".agents",
"configFormat": "settings-json",
"artifactLayout": {
"global": [
{
"kind": "skills",
"destSubpath": "skills",
"prefix": "gsd-",
"nesting": "flat",
"recursive": false,
"converter": "convertClaudeCommandToAntigravitySkill",
"home": ".gemini/config"
},
{
"kind": "agents",
"destSubpath": "agents",
"prefix": "gsd-",
"nesting": "flat",
"recursive": false,
"converter": "convertClaudeAgentToAntigravityAgent",
"home": ".gemini/config"
}
],
"local": [
{
"kind": "skills",
"destSubpath": "skills",
"prefix": "gsd-",
"nesting": "flat",
"recursive": false,
"converter": "convertClaudeCommandToAntigravitySkill"
},
{
"kind": "agents",
"destSubpath": "agents",
"prefix": "gsd-",
"nesting": "flat",
"recursive": false,
"converter": "convertClaudeAgentToAntigravityAgent"
}
]
},
"triggerPrecedence": [
"skills",
"commands"
],
"commandStyle": "slash-hyphen",
"hooksSurface": "settings-json",
"hookEvents": "gemini",
"sandboxTier": "none",
"supportTier": 1,
"installSurface": "settings-json",
"writesSharedSettings": true,
"permissionWriter": "antigravity",
"extendedHookEvents": [],
"hostIntegration": {
"embeddingMode": "declarative",
"commandSurface": "slash-file",
"dispatch": {
"namedDispatch": "undocumented",
"nested": "undocumented",
"maxDepth": "undocumented",
"background": true,
"subagentToolkit": "full",
"backgroundDispatch": "undocumented",
"isolation": "undocumented",
"maxConcurrency": "undocumented"
},
"modelMode": "passive",
"hookBus": "host",
"stateIO": "filesystem",
"transport": "mcp",
"runtime": "go",
"effortSurface": "undocumented"
},
"hostBehaviors": {
"projectInstructionFile": "GEMINI.md",
"noPathRewrite": true,
"hookPathStyle": "raw",
"globalDirResolver": "antigravity"
}
},
"reviewer": {
"slug": "antigravity",
"flags": [
"--antigravity",
"--agy"
],
"transport": "spawn",
"probe": {
"kind": "command-exists",
"binary": "agy"
},
"invoke": {
"binary": "agy",
"args": [
"--print-timeout",
"{{nativeTimeout}}",
"{{model}}",
"-p",
"{{prompt}}"
],
"promptChannel": "argv-file-ref",
"outputChannel": "stdout",
"modelArg": "--model",
"effortChannel": "none"
},
"timeoutFloorMs": 600000,
"timeoutConfigKey": "review.timeouts.antigravity",
"emptyOutput": "handler-owned",
"reviewsSection": "Antigravity",
"evidenceClass": "source-grounded",
"requiresBinaries": [],
"promptBudgetKey": "review.max_prompt_tokens_per_reviewer.antigravity",
"modelConfigKey": "review.models.agy",
"effortConfigKey": null,
"defaultEffort": null,
"handler": "antigravity"
},
"config": {
"review.models.agy": {
"type": "string",
"default": "",
"description": "Model passed to the Antigravity reviewer lane. The key suffix is the lane binary/flag alias `agy`, not the slug `antigravity` — preserved verbatim so existing .planning/config.json files keep working."
},
"review.max_prompt_tokens_per_reviewer.antigravity": {
"type": "number",
"default": -1,
"description": "Prompt-token budget for the Antigravity 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\". Keyed on the reviewer slug `antigravity`, not the `agy` binary alias used by review.models.agy."
},
"review.timeouts.antigravity": {
"type": "number",
"default": -1,
"description": "Outer wall-clock timeout override (seconds) for the Antigravity 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."
}
}
}