Source snapshot: 514ab1975951d94342ea38e64101d5a0f1c51c77
2.6 KiB
type, id, title, status, date, supersedes
| type | id | title | status | date | supersedes | ||
|---|---|---|---|---|---|---|---|
| ADR | 0147 | Antigravity CLI agent adapter | active | 2026-06-28 |
|
Context
ADR-0091 and ADR-0097 made Gemini CLI the Google-backed CLI agent path for durable external MCP setup and app-managed AI panel sessions. Antigravity CLI is now the maintained successor path, with official one-shot execution through agy -p ... --cwd, dedicated Antigravity MCP configuration in ~/.gemini/config/mcp_config.json or workspace .agents/mcp_config.json, and continued support for GEMINI.md / AGENTS.md workspace rules during Gemini CLI migration.
Keeping gemini as Tolaria's product-facing local-agent id would leave users pointed at deprecated setup docs and the old ~/.gemini/settings.json MCP shape.
Decision
Tolaria replaces the app-managed Gemini CLI agent with an Antigravity CLI adapter.
The product-facing local agent id is antigravity. Existing stored gemini default-agent values and legacy status payloads normalize to antigravity so older settings do not get dropped.
The desktop backend:
- discovers
agythrough PATH, login-shell lookup, and common local install locations, including~/.local/bin/agy - runs
agy -p <prompt> --cwd <vault>from the active vault - writes transient workspace MCP config to
.agents/mcp_config.jsonfor app-managed sessions - maps Safe mode to
--sandbox=true --toolPermission=proceed-in-sandbox - maps Power User mode to
--sandbox=false --toolPermission=always-proceed - avoids
--dangerously-skip-permissions - streams line-oriented stdout into Tolaria AI panel text events and reports setup/auth failures with Antigravity-specific recovery copy
Durable external MCP setup now writes the standard Tolaria MCP entry to ~/.gemini/config/mcp_config.json for Antigravity CLI instead of the legacy Gemini CLI ~/.gemini/settings.json path. The optional vault-root GEMINI.md compatibility shim remains valid because Antigravity CLI continues to parse Gemini-compatible context files during migration.
Consequences
- Users see Antigravity CLI in agent pickers, onboarding, command registry, and install links.
- Older
default_ai_agent: "gemini"settings continue to select the Google-backed CLI path after migration. - Existing standalone Gemini CLI global config is no longer mutated by Tolaria's durable MCP setup.
- Antigravity end-to-end native QA requires
agyto be installed and authenticated; local tests use fake executables for deterministic command/config coverage. - Future Antigravity CLI flag changes must update the adapter tests and this ADR rather than silently falling back to dangerous bypass flags.