| jgd | JSON Graphics Device |
| jgd_begin_group | Begin a drawing group (experimental) |
| jgd_discover | Discover a running jgd server |
| jgd_end_group | End a drawing group (experimental) |
| jgd_ext | Set extended graphics context (experimental) |
| jgd_frame_ext | Set frame-level extension fields (experimental) |
| jgd_protocol | jgd JSONL Protocol Specification |
| jgd_server_info | Get server information |
| jgd_spec | jgd JSONL Protocol Specification |
| with_jgd_ext | Scoped extended graphics context (experimental) |
| with_jgd_frame_ext | Scoped frame-level extension fields (experimental) |
| with_jgd_group | Scoped drawing group (experimental) |