| Read tool through the bridge / headless, 5 000-node file |
< 150 ms / < 400 ms (SRS CMD-31) |
| Single mutation |
< 250 ms |
use_figma start-up |
< 50 ms |
use_figma script |
50 000 chars, 30 s default (300 s max), 256 MB, 100 000 created nodes |
get_screenshot |
maxDimension ≤ 16 384 |
upload_assets |
60 URLs per call, 10 MB per asset |
download_assets |
20 raw images, 20 SVG assets per call |
get_design_context |
40 000 chars of code before falling back to metadata (unless forceCode) |
| Loopback asset URLs |
single use, valid 10 minutes, bound to 127.0.0.1, random 128-bit token, 10 MB body, Host checked, Origin rejected (section 3.16, ARC-001 §9.6) |