MCP Servers and Built-in Tools Cannot be Toggled

Type: Bug

VS Code 1.135.0
Open Chat: Manage Tool Approval
Checkboxes in every group (MCP servers and built-in tools) cannot be toggled by mouse click or by pressing Space on a focused item
Confirmed not caused by ChatToolsEligibleForAutoApproval policy (checked via Developer: Policy Diagnostics — not present) or any local/workspace/profile setting

VS Code version: Code 1.135.0 (08d4889f9ec4a1685d257b9b95de036c8e1ce1e5, 2026-08-25T14:26:52Z)
OS version: Windows_NT x64 10.0.26200
Modes:

System Info

|Item|Value|
|---|---|
|CPUs|AMD Ryzen 7 PRO 7840HS w/ Radeon 780M Graphics (16 x 3793)|
|GPU Status|2d_canvas: enabled
GPU0: VENDOR= 0x1002, DEVICE=0x15bf [AMD Radeon Graphics], DRIVER_VENDOR=AMD, DRIVER_VERSION=31.0.14058.15001 *ACTIVE*
GPU1: VENDOR= 0x1002, DEVICE=0x743f [AMD Radeon RX 6550M], DRIVER_VERSION=31.0.14058.15001
GPU2: VENDOR= 0x1414, DEVICE=0x008c [Microsoft Basic Render Driver], DRIVER_VERSION=10.0.26100.8972
Machine model name:
Machine model version:
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: disabled_off
trees_in_viz: disabled_off
video_decode: enabled
video_encode: enabled
webgl: enabled
webgpu: enabled
webnn: disabled_off|
|Load (avg)|undefined|
|Memory (System)|30.72GB (3.75GB free)|
|Process Argv|--crash-reporter-id 9b246c27-189d-45d3-9d7d-e9d8a2f60e13|
|Screen Reader|no|
|VM|0%|
Extensions (34)

Name|Identifier|Author|Version
---|---|---|---
Power BI Modeling MCP Server|analysis-services.powerbi-modeling-mcp|analysis-services|0.4.0
Azurite|azurite.azurite|Azurite|3.37.0
Markdown Preview Mermaid Support|bierner.markdown-mermaid|bierner|1.32.1
NDJSON Colorizer|buster.ndjson-colorizer|buster|1.0.0
Docker DX|docker.docker|docker|0.18.0
Go|golang.go|golang|0.56.0
HashiCorp Terraform|hashicorp.terraform|hashicorp|2.40.0
Draw.io Integration|hediet.vscode-drawio|hediet|1.9.0
Rainbow CSV|mechatroner.rainbow-csv|mechatroner|3.24.1
GitHub Copilot for Azure|ms-azuretools.vscode-azure-github-copilot|ms-azuretools|1.0.231
Azure MCP Server|ms-azuretools.vscode-azure-mcp-server|ms-azuretools|2.0.46
Azure Resources|ms-azuretools.vscode-azureresourcegroups|ms-azuretools|0.12.7
Container Tools|ms-azuretools.vscode-containers|ms-azuretools|2.5.0
C# Dev Kit|ms-dotnettools.csdevkit|ms-dotnettools|3.20.199
C#|ms-dotnettools.csharp|ms-dotnettools|2.140.9
.NET Install Tool|ms-dotnettools.vscode-dotnet-runtime|ms-dotnettools|3.1.0
Kubernetes|ms-kubernetes-tools.vscode-kubernetes-tools|ms-kubernetes-tools|1.4.1
Data Workspace|ms-mssql.data-workspace-vscode|ms-mssql|0.6.3
SQL Server (mssql)|ms-mssql.mssql|ms-mssql|1.45.1
SQL Bindings|ms-mssql.sql-bindings-vscode|ms-mssql|0.4.1
SQL Database Projects|ms-mssql.sql-database-projects-vscode|ms-mssql|1.7.0
PostgreSQL|ms-ossdata.vscode-pgsql|ms-ossdata|1.29.0
Dev Containers|ms-vscode-remote.remote-containers|ms-vscode-remote|0.466.0
PowerShell|ms-vscode.powershell|ms-vscode|2025.4.0
NM Central MCP|nmhc.nm-central-mcp|nmhc|1.18.0
NM Development Agent|nmhc.nm-development-agent|nmhc|2.11.12
NM Skills|nmhc.nm-skills|nmhc|1.6.1
NuGet Gallery|patcx.vscode-nuget-gallery|patcx|1.2.6
Material Icon Theme|pkief.material-icon-theme|PKief|5.38.1
YAML|redhat.vscode-yaml|redhat|1.24.0
HL7Tools|robholme.hl7tools|RobHolme|2.0.8
rust-analyzer|rust-lang.rust-analyzer|rust-lang|0.3.3025
Scala Syntax (official)|scala-lang.scala|scala-lang|0.5.10
Scala (Metals)|scalameta.metals|scalameta|1.70.0

A/B Experiments

```
vsliv368cf:30146710
binariesv615:30325510
nativeloc1:31344060
dwcopilot:31170013
dwoutputs:31242946
copilot_t_ci:31333650
e5gg6876:31282496
pythonrdcb7:31342333
6518g693:31463988
aj953862:31281341
4f60g487:31327383
envsactivate1:31551504
gh487529:31544284
cloudbuttont:31379625
42190218_ostrepl:31403339
ec5jj548:31422691
diffpatch-lysithea-24-production:31572515
cp_cls_t_966_ss:31526232
4je02754:31466945
c3h7c220:31478652
ge8j1254_inline_auto_hint_haiku:31490510
cp_cls_c_1081:31454833
conptydll_true:31498968
e9c30283:31461165
c9b86496:31447327
ei9d7968:31496641
nes-extended-on:31455476
chat:31457767
8hig5102:31480529
89g7j272:31518289
i2gc6536:31499202
52612955:31516516
ddid_t:31478206
hmra_i5g22:31518061
7df3h592:31512476
cp_cls_t_1082:31535311
logging_enabled_new:31498466
j0d79568:31499440
jb_cp_cls_t_632:31543129
56dj4588:31512888
32d76977:31512328
ha629193:31508444
jh5f2457_c:31540921
jbcp_cls_pctr_t:31531130
61138546:31518536
cp_intellij_t_nes:31548657
d7b18187:31526828
ahp-both-windows:31556933
session_8:31532895
ihg5j128:31534457
f412h606:31551416
9gg7f176:31542112
enable_editor_pane_layout:31569726
allow-none:31555437
ac562147:31564510
c7c27ce7:31554789
1h923230:31564177
1532g621_copy:31554320
treatment-23-1:31555779
unuse_dynamic_mcp:31555281
0d8dfbc3:31570291
switchtoauto:31559321
0c1h4866:31566224
vrbsty_fls:31561059
session-archive:31558132
5b8j3302:31564601
mangle-name-treatment:31572634
9e5id457:31573761

```