tower by alaturqua: Claude Code mod code

What it does

Draws a pane
Adds /cockpit, /tower
Watches AskUserQuestion calls and can refuse them
Hooks classic.Notification, classic.PostToolUse, classic.Stop, classic.UserPromptSubmit and 6 more
Keeps its own state between turns

Good points

No network calls
Written in TypeScript
Handles errors

Code to start from

A starter ModsCode writes from the drawing it read, and the mod's own lines that draw, where there are any.

Starter (register.tsx)

import type { Register } from 'claude-code'

// Drawn like tower by Isa Inalcik (pane, status, toast), as ModsCode read it from the mod's code:
// https://modscode.com/claude-mods/mods/alaturqua-tower/
// Written by ModsCode from that reading, not copied from the mod: use it as you like.
// Each value below stands for one the mod works out at run time; put in your own.
export const register: Register = on => {
  // the pane: open it with $.ui.open({ id: 'my-pane', title: "Tower" })
  on('ui.render', { component: 'Pane', requestId: 'my-pane' }, async ($, e) => {
    const { Box, Text, Button, Input } = $.ui.resolve(e)
    const length = '…'
    const length2 = '…'
    const error = '…'
    const title = '…'
    const detail = '…'
    const i = '…'
    const title2 = '…'
    const title3 = '…'
    const lastPrompt = '…'
    const line = '…'
    const line2 = '…'
    const line3 = '…'
    const nameOf = '…'
    return (
      <Box flexDirection="column" gap={1}>
        <Box gap={1} flexWrap="wrap">
          <Text bold>
            Tower
          </Text>
          <Text dimColor>
            {"· "}
            {length}
            {" session"}
          </Text>
          <Text color="warning" bold>
            {"· "}
            {length2}
            {" need"}
            s
            {" you"}
          </Text>
          <Box flexGrow={1} />
          <Text color="success">
            ● Typing here · Esc back to your prompt
          </Text>
        </Box>
        <Text color="warning">
          {"Stale: "}
          {error}
        </Text>
        <Box flexDirection="column" borderStyle="round" borderColor="warning" paddingX={1}>
          <Text color="warning" bold>
            Needs input
          </Text>
          <Box gap={1} flexWrap="wrap">
            <Text color="warning" bold>
              ?
            </Text>
            <Button plain />
            <Text dimColor>
              needs you
            </Text>
            <Box flexGrow={1} flexShrink={1}>
              <Text wrap="truncate-end">
                {`${title} ${detail}`}
              </Text>
            </Box>
            <Box gap={1}>
              <Button hotkey="a" variant="primary">
                Allow (a)
              </Button>
              <Button hotkey="d">
                Deny (d)
              </Button>
            </Box>
            <Box gap={1} flexWrap="wrap">
              <Button hotkey={`${i}`}>
                {`${i}1 `}
              </Button>
              <Button hotkey={`${i}`}>
                {`${i}1 `}
              </Button>
              <Button hotkey={`${i}`}>
                {`${i}1 `}
              </Button>
            </Box>
            <Button>
              Jump
            </Button>
          </Box>
          <Box gap={1} flexWrap="wrap">
            <Text color="warning" bold>
              ?
            </Text>
            <Button plain />
            <Text dimColor>
              needs you
            </Text>
            <Box flexGrow={1} flexShrink={1}>
              <Text wrap="truncate-end">
                {`${title} ${detail}`}
              </Text>
            </Box>
            <Box gap={1}>
              <Button hotkey="a" variant="primary">
                Allow (a)
              </Button>
              <Button hotkey="d">
                Deny (d)
              </Button>
            </Box>
            <Box gap={1} flexWrap="wrap">
              <Button hotkey={`${i}`}>
                {`${i}1 `}
              </Button>
              <Button hotkey={`${i}`}>
                {`${i}1 `}
              </Button>
              <Button hotkey={`${i}`}>
                {`${i}1 `}
              </Button>
            </Box>
            <Button>
              Jump
            </Button>
          </Box>
          <Box gap={1} flexWrap="wrap">
            <Text color="warning" bold>
              ?
            </Text>
            <Button plain />
            <Text dimColor>
              needs you
            </Text>
            <Box flexGrow={1} flexShrink={1}>
              <Text wrap="truncate-end">
                {`${title} ${detail}`}
              </Text>
            </Box>
            <Box gap={1}>
              <Button hotkey="a" variant="primary">
                Allow (a)
              </Button>
              <Button hotkey="d">
                Deny (d)
              </Button>
            </Box>
            <Box gap={1} flexWrap="wrap">
              <Button hotkey={`${i}`}>
                {`${i}1 `}
              </Button>
              <Button hotkey={`${i}`}>
                {`${i}1 `}
              </Button>
              <Button hotkey={`${i}`}>
                {`${i}1 `}
              </Button>
            </Box>
            <Button>
              Jump
            </Button>
          </Box>
        </Box>
        <Box flexDirection="column" gap={1}>
          <Text dimColor>
            No other sessions are running. Press n to start one.
          </Text>
          <Box flexDirection="column">
            <Text dimColor bold>
              {title}
            </Text>
          </Box>
          <Box flexDirection="column">
            <Text dimColor bold>
              {title2}
            </Text>
          </Box>
          <Box flexDirection="column">
            <Text dimColor bold>
              {title3}
            </Text>
          </Box>
        </Box>
        <Box flexDirection="column">
          <Text dimColor wrap="truncate-middle">
            {`──${title}────────`}
          </Text>
          <Text dimColor>
            No preview: this session runs without Tower.
          </Text>
          <Box gap={1}>
            <Text bold>
              {"You   "}
            </Text>
            <Box flexGrow={1} flexShrink={1}>
              <Text dimColor wrap="truncate-end">
                {lastPrompt}
              </Text>
            </Box>
          </Box>
          <Box gap={1}>
            <Text bold color="suggestion">
              Claude
            </Text>
            <Box flexGrow={1} flexShrink={1} flexDirection="column">
              <Text wrap="truncate-end">
                {line}
              </Text>
              <Text wrap="truncate-end">
                {line2}
              </Text>
              <Text wrap="truncate-end">
                {line3}
              </Text>
            </Box>
          </Box>
          <Text dimColor>
            Nothing said yet.
          </Text>
        </Box>
        <Box flexGrow={1} />
        <Box borderStyle="round" borderColor="suggestion" paddingX={1}>
          <Input label={`To ${nameOf}`} placeholder="Type an answer, Enter sends" submitLabel="send" />
        </Box>
        <Box gap={1} flexWrap="wrap">
          <Button hotkey="k">
            ↑ Prev (k)
          </Button>
          <Button hotkey="j">
            ↓ Next (j)
          </Button>
          <Button hotkey="g">
            Jump (g)
          </Button>
          <Button hotkey="n">
            New session (n)
          </Button>
          <Button hotkey="o">
            Open cockpit (o)
          </Button>
          <Button hotkey="r">
            Refresh (r)
          </Button>
        </Box>
      </Box>
    )
  })
}

The mod's own code

Shown under the mod's licence (Apache-2.0); its text is below. Keep the notice if you copy these lines.

plugins/tower/hooks/pane.tsx lines 242–401 · Pane

plugins/tower/hooks/pane.tsx:242

  on('ui.render', { component: 'Pane', requestId: PANE }, async ($, e) => {
    // Mobile has no text field or picker to steer with.
    if (e.surface === 'mobile') {
      const { Text } = $.ui.resolve(e)
      return <Text dimColor>Open the tower in a terminal to steer sessions.</Text>
    }
    const { Box, Text, Button, Input, Select } = $.ui.resolve(e)
    const width = (e.props as { bodyColumns?: number }).bodyColumns ?? e.viewport?.columns ?? 80
    const toast = (text: string) => $.ui.toast(text)

    if ((await read($, view)) === 'launch') {
      const repos = await knownRepos($)
      const repo = (await read($, launchRepo)) ?? repos[0] ?? null
      return (
        <Box flexDirection="column">
          <Text bold>New session</Text>
          {repos.length === 0
            ? <Text dimColor>No repos known yet. Add one with /tower add &lt;path&gt;.</Text>
            : <Select key="repo" label="Repo" value={repo ?? undefined} options={repos.map(r => ({ value: r, label: `${folder(r)}  ${r}` }))}
                onSelect={value => void update($, launchRepo, () => value)} />}
          {repo && <Input key="task" label={`Task for ${folder(repo)}`} placeholder="What should it do?" autoFocus submitLabel="launch"
            onSubmit={task => {
              if (!task.trim()) return
              void launch($, repo, task.trim()).then(toast)
              void update($, view, () => 'list')
            }} />}
          <Box gap={1}>
            <Button key="back" hotkey="b" onPress={() => void update($, view, () => 'list')}>Back</Button>
          </Box>
        </Box>
      )
    }

    const list = await read($, sessions)
    const error = await read($, failure)
    const now = await $.clock.now()
    const chosen = await read($, selected)
    const target = list.find(s => s.id === chosen) ?? list[0]
    const needs = list.filter(s => s.state === 'needs-input')
    const focused = (e.props as { isFocused?: boolean }).isFocused === true
    // Room for the session's last words: what the rows and the box leave.
    const previewLines = Math.min(4, Math.max(1, (e.viewport?.rows ?? 30) - list.length - needs.length * 2 - 16))
    const cols = columns(width)
    // Docked, the pane is at least as tall as its room, so the send box sits at its bottom like a chat's.
    const props = e.props as { placement?: string; scroll?: { bodyRows?: number } }
    const room = props.placement === 'dock' ? Math.max(0, (props.scroll?.bodyRows ?? 0) - 1) : 0

    // Two sessions in one folder share a label; the first letters of the id tell them apart.
    const labelWidth = width >= 120 ? 30 : cols.labelWidth
    const nameOf = (s: TowerSession, room = 200) => {
      const tag = (list.filter(o => o.label === s.label).length > 1 ? ` #${s.id.slice(0, 4)}` : '') + (s.kind === 'background' ? ' (bg)' : '')
      const label = s.label.length + tag.length > room ? s.label.slice(0, Math.max(4, room - tag.length - 1)) + '…' : s.label
      return label + tag
    }
    const pick = (s: TowerSession) => void update($, selected, () => s.id)
    const move = (step: number) => {
      if (!list.length) return
      const at = Math.max(0, list.findIndex(s => s.id === target?.id))
      pick(list[(at + step + list.length) % list.length] as TowerSession)
    }

    // One card per session that waits on you. Only the first takes the keys: two cards on one key would clash.
    const card = (s: TowerSession, first: boolean) => {
      const p = s.pending
      const answerable = s.remoteAnswers && p
      return (
        <Box key={`card-${s.id}`} gap={1} flexWrap="wrap">
          <Text color="warning" bold>{p?.kind === 'question' ? '?' : '!'}</Text>
          <Button key={`pick-card-${s.id}`} plain onPress={() => pick(s)}>{nameOf(s)}</Button>
          <Text dimColor>{!p ? 'needs you' : p.kind === 'question' ? 'asks' : answerable ? 'needs approval' : 'waits in its terminal'}</Text>
          <Box flexGrow={1} flexShrink={1}><Text wrap="truncate-end">{p ? `${p.title} ${p.detail ?? ''}`.trim() : (s.message ?? '')}</Text></Box>
          {answerable && p.kind === 'permission' && (
            <Box gap={1}>
              <Button key={first ? 'allow' : `allow-${s.id}`} hotkey={first ? 'a' : undefined} variant="primary" onPress={() => void send($, s, { kind: 'answer', pendingId: p.id, allow: true }).then(toast)}>{first ? 'Allow (a)' : 'Allow'}</Button>
              <Button key={first ? 'deny' : `deny-${s.id}`} hotkey={first ? 'd' : undefined} onPress={() => void send($, s, { kind: 'answer', pendingId: p.id, allow: false }).then(toast)}>{first ? 'Deny (d)' : 'Deny'}</Button>
            </Box>
          )}
          {answerable && p.kind === 'question' && (
            <Box gap={1} flexWrap="wrap">
              {(p.options ?? []).slice(0, 4).map((label, i) => (
                <Button key={`opt-${s.id}-${i}`} hotkey={first ? String(i + 1) : undefined} onPress={() => void send($, s, { kind: 'answer', pendingId: p.id, text: label }).then(toast)}>{first ? `${i + 1} ${label}` : label}</Button>
              ))}
            </Box>
          )}
          {!answerable && <Button key={`jump-card-${s.id}`} onPress={() => void jump($, s).then(toast)}>Jump</Button>}
        </Box>
      )
    }

    // One line per session: what it is doing, without picking it first.
    const row = (s: TowerSession) => {
      const isChosen = s.id === target?.id
      const what = s.pending ? `${s.pending.title}: ${s.pending.detail ?? ''}` : (s.message ?? s.state)
      return (
        <Box key={`row-${s.id}`} gap={1}>
          <Text color={isChosen ? 'suggestion' : undefined} bold>{isChosen ? '▶' : ' '}</Text>
          <Text color={COLOR[s.state]} dimColor={s.state === 'idle'}>{MARK[s.state]}</Text>
          <Button key={`pick-${s.id}`} plain onPress={() => pick(s)}>{nameOf(s, labelWidth).padEnd(labelWidth)}</Button>
          <Box flexGrow={1} flexShrink={1}>{cols.showState && (s.health
            ? <Text color="error" wrap="truncate-end">{`⚠ ${s.health}`}</Text>
            : <Text dimColor={!isChosen} wrap="truncate-end">{what.replace(/\s+/g, ' ')}</Text>)}</Box>
          <Box flexShrink={0}><Text dimColor>{ago(s.updatedAt, now)}</Text></Box>
        </Box>
      )
    }

    const answer = target?.lastAnswer ? tail(target.lastAnswer, previewLines).split('\n') : []
    const title = target ? ` ${nameOf(target)} · ${target.state} · ${target.cwd} ` : ''

    return (
      <Box flexDirection="column" gap={1} minHeight={room || undefined}>
        <Box gap={1} flexWrap="wrap">
          <Text bold>Tower</Text>
          <Text dimColor>· {list.length} session{list.length === 1 ? '' : 's'}</Text>
          {needs.length > 0 && <Text color="warning" bold>· {needs.length} need{needs.length === 1 ? 's' : ''} you</Text>}
          <Box flexGrow={1} />
          {focused
            ? <Text color="success">● Typing here · Esc back to your prompt</Text>
            : <Text dimColor>Click here or press ctrl+x Tab to use it</Text>}
        </Box>
        {error && <Text color="warning">Stale: {error}</Text>}

        {needs.length > 0 && (
          <Box flexDirection="column" borderStyle="round" borderColor="warning" paddingX={1}>
            <Text color="warning" bold>Needs input</Text>
            {needs.map((s, i) => card(s, i === 0))}
          </Box>
        )}

        <Box flexDirection="column" gap={1}>
          {list.length === 0 && <Text dimColor>No other sessions are running. Press n to start one.</Text>}
          {[['Working', list.filter(s => s.state === 'working')], ['Completed', list.filter(s => s.state === 'done' || s.state === 'idle')]].map(([title, members]) => (members as TowerSession[]).length > 0 && (
            <Box key={`group-${title}`} flexDirection="column">
              <Text dimColor bold>{title as string}</Text>
              {(members as TowerSession[]).map(row)}
            </Box>
          ))}
        </Box>

        {target && (
          <Box flexDirection="column">
            <Text dimColor wrap="truncate-middle">{'──' + title + '─'.repeat(Math.max(2, width - title.length - 4))}</Text>
            {!target.hasBeacon && <Text dimColor>No preview: this session runs without Tower.</Text>}
            {target.lastPrompt && (
              <Box gap={1}>
                <Text bold>{'You   '}</Text>
                <Box flexGrow={1} flexShrink={1}><Text dimColor wrap="truncate-end">{target.lastPrompt.replace(/\s+/g, ' ')}</Text></Box>
              </Box>
            )}
            {answer.length > 0 && (
              <Box gap={1}>
                <Text bold color="suggestion">Claude</Text>
                <Box flexGrow={1} flexShrink={1} flexDirection="column">
                  {answer.map((line, i) => <Text key={`line-${i}`} wrap="truncate-end">{line}</Text>)}
                </Box>
              </Box>
            )}
            {!target.lastPrompt && answer.length === 0 && target.hasBeacon && <Text dimColor>Nothing said yet.</Text>}
          </Box>
        )}

Licence text (Apache-2.0)

                                 Apache License
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How to build this: Pane (panel), Deny a tool call

What its code calls

runs programswrites filesenv varsdrives Claudetool callsrememberscalls tools

What its code shows

Read from the source at commit a473b2df34e7 on 2026-10-11. The first group decides whether a mod is listed; the rest is for you to weigh. A later commit is not read until the next crawl.

Decides the listing: code you can check
Entry read	Every module hooks/hooks.json names was read.plugins/tower/hooks/register.ts
Parses	Every file parses as TypeScript or JavaScript.6 files parsed
All its code is in the mod	Every import is a file of the mod or the engine's own module; no packages, no require.all its code is in the mod
Readable	No minified lines, no eval or new Function, no import of a computed path, no encoded blobs.no minified code, no eval, no encoded blobs
Calls in the open	Network and programs are reached as $.http.fetch and $.process.run in place, never passed around.every call outside goes through $ in the open
For you to weigh before installing
Where it draws	The terminal, the desktop app, both, or nothing (hooks only: a guard or a prompt rewriter), as its code says. Shown, never a reason to leave a mod out.draws in the terminal and the desktop app, the same in both
Install line	Whether its repository's own .claude-plugin/marketplace.json lists it, so it installs from that marketplace with the lines on its page.listed in its repository's .claude-plugin/marketplace.json: installs from there
Programs on Windows	Whether every program it starts through $.process exists on Windows (tail, date, open, osascript, /usr/… do not).plugins/tower/hooks/beacon.ts:174 notify-send (not on Windows)
Network	Whether every fetch names its https host in the code.no network
Programs	Whether every program it starts is named in the code and is not a shell, an interpreter or a network tool.plugins/tower/hooks/beacon.ts:167 powershell.exe (a shell or interpreter); plugins/tower/hooks/beacon.ts:170 osascript (a shell or interpreter); plugins/tower/hooks/pane.tsx:52 a program named at run time; plugins/tower/hooks/pane.tsx:112 powershell.exe (a shell or interpreter); plugins/tower/hooks/pane.tsx:129 a program named at run time
Reads and sends	Whether it both reads something of yours (files, environment variables, the transcript, settings) and reaches outside (the network, an MCP server, another session, telemetry).reads environment variables, files, the transcript and reaches the network, another session
Keys in the source	Whether the source holds what looks like an API key or a private key.no keys in the source
Licence	An open licence (MIT, Apache-2.0, BSD, ISC, Unlicense, 0BSD, CC0) with its text lets ModsCode show its code; otherwise the code is linked.Apache-2.0
Settings hooks	Hooks declared in hooks/hooks.json or plugin.json beside the module: a command (a shell when it has no args), an HTTP request, an MCP tool or a model prompt at an event. They run outside $.no settings hooks: its function hooks alone
Servers it ships	MCP servers (a program, or a URL; a headersHelper is a shell command; a .mcpb bundle is unpacked at run time), LSP servers, monitors (a shell command for the whole session) and bin/ (on the PATH of the Bash tool).ships no MCP or LSP server, no monitor, no bin/
Skills, commands, agents	What its Markdown declares beyond text: allowed-tools granted for the turn, hooks added when a skill is invoked, a command run before Claude reads the skill.no skills, commands, agents or workflows
Tools and MCP	Whether every tool it calls through $.tool.call and $.mcp.call is named in the code, and none is a shell (Bash through the tool runs a shell without $.process).command.run: /?
Asks of the model	Completions it runs ($.model.complete, fork, classify), subagents it spawns, prompts it submits as you, and the tools, commands and agents it adds.prompt.submit (as the person), adds command tower, adds command cockpit
Events it hooks	By what a hook there can do: gates (refuse a tool call, a prompt, a setting, another plugin), shapes (what the model reads: the system prompt, tool descriptions, each request), reads (your input, the events of the settings hooks, every event with *), and the rest.gates: prompt.submit, tool.check, tool.call (AskUserQuestion), command.run (cockpit, tower), classic.UserPromptSubmit, classic.Stop · reads: session.receive, classic.Notification, classic.PostToolUse · also: session.start, turn.start, turn.complete, session.end (+1) · timers: clock.every
Reads, by name	The environment variables and files it names, and whether it reads the transcript, settings.json, the prompt box or the mouse selection.env: USERPROFILE, HOME, OS, CLAUDE_CODE_EXECPATH, CLAUDE_EFFORT; files: …/alerts/….json, a path computed at run time, …/launched/….json, …/sessions/….json; the transcript
Writes, by name	The files and environment variables it names, and whether it changes settings, the prompt box, the clipboard, the conversation (a row the model reads) or another session.files: a path computed at run time, …/alerts/….json, …/commands/….json, …/launched/….json; another session

This is a reading of the code text, not a security review: it does not run the mod, and it cannot see what a program the mod starts does. The check before installing is yours. How mods are chosen

Install it

Check it yourself before you install it. Mods run unsandboxed, with your permissions, and ModsCode does not vouch for what this code does. Read its code (or run claude plugin validate . in its folder), weigh what it reaches, and install the commit you read.

From its marketplace

Its repository is its marketplace. Add that marketplace (in the terminal with these commands, or in the desktop app's plugin settings) and install the mod from it:

/plugin marketplace add alaturqua/tower-mods

/plugin install tower@tower

/reload-plugins

This installs the marketplace's latest commit, which may not be the one read here (a473b2df34e7). Compare them before you install. /reload-plugins loads it into a session that is already open.

Try the commit ModsCode read

No marketplace needed. In a terminal, clone the repository, check out the commit read, validate the mod, and load it for one session:

git clone https://github.com/alaturqua/tower-mods

git -C tower-mods checkout a473b2df34e7217e7b99fe5afcd0d46540862fd7

claude plugin validate tower-mods/plugins/tower

claude --plugin-dir tower-mods/plugins/tower

The validate line lists the events the mod hooks and what it asks Claude Code to do, without running it. The last line loads the mod for this session only and writes nothing to your settings. If the author has rewritten history, the commit may no longer exist.

Ask Claude about it

With the ModsCode connector added, Claude can read this mod's code and what it reaches, and build on them. Ask it like this:

Read the ModsCode mod "alaturqua-tower" with its code and make me one like it

Search them from Claude: the MCP connector

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README.md

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