Supported agents

Agent	Executable	History is read from	Resume
Claude Code	`claude`	`~/.claude` (or `$CLAUDE_CONFIG_DIR`)	`claude --resume <id>`
Codex CLI	`codex`	`~/.codex` (or `$CODEX_HOME`)	`codex resume <id>`
OpenCode	`opencode`	`~/.local/share/opencode`	`opencode --session <id>`
Grok Build	`grok`	`~/.grok` (or `$GROK_HOME`)	`grok --resume <id>`
Antigravity CLI	`agy`	`~/.gemini/antigravity-cli`	`agy --conversation <id>`

History formats are internal to each agent and can change between versions. When a format is not recognized, those sessions show as partially parsed instead of failing the whole index.
OpenCode database schemas v1 and v2 are supported, verified on Linux with CLI 1.19.2 and 1.19.3. The older JSON storage and custom database names are not supported.
Antigravity support covers the CLI only, not the Antigravity app or IDE. Compatibility with real CLI 1.3.5 history remains unverified; unknown or truncated formats show a warning.
Desktop apps and IDE plugins of these agents are not covered.