Reason: Request Failed: 413 Request Entity Too Large

[c016smith]

Type: Bug

Sometimes it lets me submit some screenshots other times it fails and says request failed for 413 request entity too large

But any subsequent queries even without attachments now fail repeatedly with code 413. :(

Extension version: 0.33.3 VS Code version: Code 1.106.3 (Universal) (bf9252a2fb45be6893dd8870c0bf37e2e1766d61, 2025-11-25T22:28:18.024Z) OS version: Darwin arm64 25.1.0 Modes:

System Info

Item	Value
CPUs	Apple M2 (8 x 2400)
GPU Status	2d_canvas: enabled direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok skia_graphite: enabled_on trees_in_viz: disabled_off video_decode: enabled video_encode: enabled webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off
Load (avg)	5, 3, 3
Memory (System)	24.00GB (0.43GB free)
Process Argv	--crash-reporter-id 6f75f82a-11f4-49ba-b771-7ba12d493c94
Screen Reader	no
VM	0%

A/B Experiments

vsliv368cf:30146710
binariesv615:30325510
nativeloc1:31344060
dwcopilot:31170013
dwoutputs:31242946
copilot_t_ci:31333650
e5gg6876:31282496
pythonrdcb7:31342333
aj953862:31281341
b6b4d950:31327385
nes-set-on:31340697
6abeh943:31336334
cloudbuttont:31379625
todos-1:31405332
v66_all_req:31402695
control_gpt5applypatchexclusively:31412085
42190218_ostrepl:31403339
trigger-command-fix:31379601
auto_model_enabled:31385282
use-responses-api:31390855
anonusage:31403420
je187915:31401257
ec5jj548:31422691
copilot-nes-oct-t:31418199
terminalsuggestdisabled:31426256
cmp-ext-treat:31426748
cp_cls_c_966_ss:31426491
chatvisible:31426294
expandedtokens:31426297
copilot6169-t2000:31426763
c0683394:31419495
g0h3h215:31426582
478ah919:31426797
b53de340:31426751
a5gib710:31426782
5j92g670_sonnet:31426787

[c016smith]

[TechWatching]

Same error when copilot is taking screenshot using playwright MCP

[connor4312]

Same as https://github.com/github/copilot-api/issues/18846

[vs-code-engineering[bot]]

Thank you for creating this issue! Please provide one or more requestIds to help the platform team investigate. You can follow instructions found here to locate the requestId value.

Happy Coding!

[TechWatching]

Copilot Request id: 75f91f05-df04-4fe7-b481-f681f646603c GH Request Id: E23B:203128:D92E7A:1014898:693C8AA9