Frontend startup failed

Pi Web UI could not load correctly

The browser could not initialize the application. A bounded diagnostic report is being collected.

Copyable troubleshooting report

Collecting diagnostics…

Backend unavailable

Pi Web UI server is offline

Run this on the machine that hosts Pi Web UI, then retry the connection.

pi-webui

From an existing Pi terminal you can also run /webui-start.

Restarting

Restarting Pi Web UI server

Waiting for the server to come back…

Update available

Pi update available

A newer Pi version is available.

Remote access open

Subagent · view only Subagent

This tab mirrors the child session. Use its parent terminal to interact with the run.

No action feedback queued.

Git workflow Ready

Stage changes, generate a commit message, commit, and push.

Split terminal Independent terminal

File No file open

Files opened from Git start in Changes mode. Markdown files can also be viewed as Preview or Source. Select text in Source or Preview, add a one-line comment, then Send to include the selection and surrounding context in this Pi session.

No selection

Pi Web UI ♡

Control Deck

DEV

Session controls affect the active Pi tab. Interface preferences are saved in this browser. Output processing is a shared server default.

Active session

Choose how Pi responds in the current tab.

This tab

Model Provider and model

Thinking effort Speed and depth

Transcript Show thinking output Visible

Interface

Personalise layout, appearance, and alerts.

This browser

Tab placement

Top bar · saved in this browser

Theme Colour scheme

Custom background

Theme default

Notifications Agent done notifications Off

Output processing

Choose the default live-output path for auto-negotiated Web UI connections.

Server

Fast mode (Experimental) Markdown final output; live thinking expanded; stored thinking grouped and collapsed

Loading server default…

Remote access

Control trusted-LAN access and PIN protection.

Network

Local only

Remote PIN auth Off

Server

Maintenance actions may interrupt every open tab.

System

Choose an action

Workspace files

Expand a repository to view local changes and history. Right-click rows for actions.

For additional WebUI feature requests, please open a GitHub issue so they can be reviewed and considered for implementation.

Checking optional features…

Checking Codex usage…

Checking Claude usage…

How to use: Ask Pi to call subagent for ordinary delegation or subagent_gate when failed calls need bounded retries or a success quorum. Active children and retained gate attempts appear here.

Agent models Launch presets for 8 builtin roles ›

Choose model and thinking presets for future same-role launches. Running children are not changed.

Apply to

Loading agent models…

No unsaved changes

Saved changes apply to future launches after this tab reloads.

Open subagents in Overlay · saved in this browser

Checking running subagents…

No prompt list loaded.

No queued messages.

Loading…

Undo available for 10 seconds

GitHub issue

Open an issue

Use this five-step wizard to prepare a complete issue you can copy to GitHub.

Step 1 of 5 1 Category · 2 Component · 3 Template · 4 Details · 5 Review

Start by choosing an issue category.

Do not include security details or credentials in a public issue. .

Automated submission is not enabled. Copy the issue and create it manually instead.

Pi release

Release notes

View on GitHub

Confirm action

Affected
Undo

Choose branch starting point

Create from:

Branch starting point origin/mainDefault. Start from the remote-tracking main branch. Current workspace HEADStart from the commit currently checked out in this Pi tab. Uncommitted files are not part of the branch base.

Pi request

Review pull request

Confirm or edit the generated /pr description before Web UI runs gh pr create.

Title Description

Git diff

Uncommitted Changes

Current tab git diff

Pi stats

Usage dashboard

Run stats to load the browser dashboard.

Range

Choose working directory

Quick launcher

Command palette

Ctrl/Cmd+K

Use ↑/↓ then Enter. Escape closes.

Edit & retry from here

Fork the session from this user message, optionally edit it, then run the new prompt.

/remote

Remote WebUI QR

Scan this QR code from a trusted local-network device.

Pi command

App runners

Run detected project entrypoints directly from the active tab’s working directory, with live output pinned above the chat.

Git-footer Visibility

Select which Git footer cards, buttons, popovers, and modal affordances are visible in the Web UI. Changes are saved globally through /git-footer-visibility and reused by every Pi session.

Edit skill

Create prompt list

Create one start prompt, then add any number of follow-up prompts to queue behind it.

List name

Saved lists