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summary Antigravity provider notes: local LSP probing, port discovery, quota parsing, and UI mapping.
read_when
Adding or modifying the Antigravity provider
Debugging Antigravity port detection or quota parsing
Adjusting Antigravity menu labels or model mapping

Antigravity provider

Antigravity is a local-only provider. We talk directly to the Antigravity language server running on the same machine.

Data sources + fallback order

  1. Process detection

    • Command: ps -ax -o pid=,command=.
    • Match process name: language_server_macos plus Antigravity markers:
      • --app_data_dir antigravity OR path contains /antigravity/.
    • Extract CLI flags:
      • --csrf_token <token> (required).
      • --extension_server_port <port> (HTTP fallback).

  2. Port discovery

    • Command: lsof -nP -iTCP -sTCP:LISTEN -p <pid>.
    • All listening ports are probed.

  3. Connect port probe (HTTPS)

    • POST https://127.0.0.1:<port>/exa.language_server_pb.LanguageServerService/GetUnleashData
    • Headers:
      • X-Codeium-Csrf-Token: <token>
      • Connect-Protocol-Version: 1
    • First 200 OK response selects the connect port.

  4. Quota fetch

    • Primary:
      • POST https://127.0.0.1:<connectPort>/exa.language_server_pb.LanguageServerService/GetUserStatus
    • Fallback:
      • POST https://127.0.0.1:<connectPort>/exa.language_server_pb.LanguageServerService/GetCommandModelConfigs
    • If HTTPS fails, retry over HTTP on extension_server_port.

Request body (summary)

  • Minimal metadata payload:
    • ideName: antigravity
    • extensionName: antigravity
    • locale: en
    • ideVersion: unknown

Parsing and model mapping

  • Source fields:
    • userStatus.cascadeModelConfigData.clientModelConfigs[].quotaInfo.remainingFraction
    • userStatus.cascadeModelConfigData.clientModelConfigs[].quotaInfo.resetTime
  • Mapping priority:
    1. Claude (label contains claude but not thinking)
    2. Gemini Pro Low (label contains pro + low)
    3. Gemini Flash (label contains gemini + flash)
    4. Fallback: lowest remaining percent
  • resetTime parsing:
    • ISO-8601 preferred; numeric epoch seconds as fallback.
  • Identity:
    • accountEmail and planName only from GetUserStatus.

UI mapping

  • Provider metadata:
    • Display: Antigravity
    • Labels: Claude (primary), Gemini Pro (secondary), Gemini Flash (tertiary)
  • Status badge: Google Workspace incidents for the Gemini product.

Constraints

  • Internal protocol; fields may change.
  • Requires lsof for port detection.
  • Local HTTPS uses a self-signed cert; the probe allows insecure TLS.

Key files

  • Sources/CodexBarCore/Providers/Antigravity/AntigravityStatusProbe.swift
  • Sources/CodexBar/Providers/Antigravity/AntigravityProviderImplementation.swift