CCSC lifecycle command center — fresh install walkthrough, health doctor, verify round-trip, auto-repair, Slack app manifest export, reset, tour, and uninstall. Use when installing the Slack channel for the first time, diagnosing or repairing an existing install, exporting a Slack app manifest, or tearing an install down. Trigger with "/slack-channel:install", "install the slack channel", "slack channel doctor", or "uninstall the slack channel".
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name
install
description
CCSC lifecycle command center — fresh install walkthrough, health doctor, verify round-trip, auto-repair, Slack app manifest export, reset, tour, and uninstall. Use when installing the Slack channel for the first time, diagnosing or repairing an existing install, exporting a Slack app manifest, or tearing an install down. Trigger with "/slack-channel:install", "install the slack channel", "slack channel doctor", or "uninstall the slack channel".
version
1.0.1
author
Jeremy Longshore <jeremy@intentsolutions.io>
license
Apache-2.0
compatibility
Requires Claude Code >= v2.1.80 with a claude.ai login (Channels research preview rejects API-key-only auth), Bun >= 1.0 (Node.js fallback supported), and a Slack workspace where you can create apps. Doctor mode additionally shells out to curl and jq.
tags
["slack","mcp","install","doctor","lifecycle"]
user-invocable
true
argument-hint
[install | doctor | verify | repair | manifest | reset | tour | uninstall]
CCSC lifecycle command center. One skill, eight modes — fresh install through
teardown. No subcommand defaults to the full install walkthrough.
/slack-channel:install [mode]
Modes:
install full fresh-clone walkthrough (default) ← new user starts here
doctor run a health check against an existing install
verify run the verification round-trip only
repair auto-fix common issues surfaced by doctor
manifest export a Slack app manifest.json (one-click import — saves 10 min of scope clicking)
reset wipe state and restart from Step 3 (keeps Slack app)
tour explain CCSC features without installing (for evaluators)
uninstall clean teardown — remove state dir, optionally guide Slack app deletion
This skill orchestrates. It delegates token configuration to
/slack-channel:configure and pairing to /slack-channel:access pair —
do not re-implement those.
Prerequisites
Three prerequisites gate a fresh install; install mode checks them as Step 0
and doctor re-checks them on demand. See
references/prerequisites.md for the exact
commands and recovery paths.
Bun ≥ 1.0 — bun --version. Node.js fallback is fine (see the prerequisites doc).
Claude Code ≥ v2.1.80 — claude --version. Older versions cannot load Channels.
claude.ai login (NOT API-key-only) — Channels is Research Preview and rejects pure API-key auth.
Doctor mode additionally shells out to curl and jq (see "Doctor
dependencies" below), and every mode past Step 1 assumes a Slack workspace
where you can create an app.
Instructions
Parse the first word of $ARGUMENTS.
If empty or install, run the install mode.
Otherwise dispatch to the matching mode described in the sections below —
each Mode: section is the complete procedure for that mode.
Unknown modes: show the help block above and exit.
Bun ≥ 1.0: bun --version. If missing, show install command (Node fallback is fine — see prerequisites doc).
Claude Code ≥ v2.1.80: claude --version. Older versions cannot load Channels.
claude.ai login (NOT API-key-only): Channels is Research Preview and rejects pure API-key auth. If ANTHROPIC_API_KEY is set but no claude.ai session exists, instruct claude login.
If any check fails, give the recovery command, wait for the user to fix, then re-check. Don't proceed with broken prerequisites.
Step 1: Slack app creation
Two paths: offer the manifest path (faster) or walk the manual UI:
Faster path — run /slack-channel:install manifest first to download
a slack-app-manifest.json, then at https://api.slack.com/apps click
Create New App → From an app manifest and paste it. All 8 scopes
and 4 event subscriptions are pre-configured. User just clicks
Install to Workspace and copies the two tokens.
Tokens stay in a scratch buffer at this point — they're written to disk in Step 3.
Step 2: Add bot to channel (silent killer)
Most common silent failure. Slack installs apps to the workspace without
joining channels. The pairing DM (Step 5) works because DMs auto-route,
but a channel test message (Step 6) hits silence — the bot literally
isn't in the channel to see the event.
Walk the user:
Open Slack → navigate to the target channel.
Click the channel name (top of the panel) → Integrations tab.
Click Add an App → select your bot.
Confirm: the bot appears in the channel's member list.
Private channels need explicit invitation. If multiple channels, repeat.
Wait for confirmation before proceeding.
Step 3: Configure tokens
Delegate:
/slack-channel:configure <xoxb-...> <xapp-...>
That skill validates token prefixes, writes ~/.claude/channels/slack/.env
with 0o600 permissions, never echoes tokens back. Do not re-implement.
Step 4: Start the MCP server
bun install # if not already
claude --channels plugin:slack-channel@claude-code-plugins
/slack-channel:access policy allowlist, then add <user-id> per user
Run a health check anytime
/slack-channel:install doctor
Mode: doctor
Health check an existing install. Reports a structured pass/fail per check,
no mutations. Suggests /slack-channel:install repair if fixable issues
are found.
Doctor dependencies
The doctor checks below shell out to curl and jq. curl is preinstalled
on virtually every dev system; jq may not be. Verify before running:
The checks also need $SLACK_BOT_TOKEN and $SLACK_APP_TOKEN in the
environment. Load them from the user's .env before running any check
that references them:
set -a; . ~/.claude/channels/slack/.env; set +a
If the user prefers not to export the tokens (some shells leak env to
child processes / process listings), substitute the literal token values
inline — the doctor commands tolerate either form.
Checks
Run all in order:
State directory exists: ~/.claude/channels/slack/ is a directory with mode 0700.
.env exists, is mode 0600, owned by current user.
.env contains both tokens with valid prefixes (xoxb- and xapp-).
Bot token is live: curl -s -H "Authorization: Bearer $SLACK_BOT_TOKEN" https://slack.com/api/auth.test | jq -e '.ok == true'. Reports the bot_id and team if live; "invalid_auth" / "token_revoked" / "account_inactive" if not.
App token has connections:write: curl -s -X POST -H "Authorization: Bearer $SLACK_APP_TOKEN" https://slack.com/api/apps.connections.open | jq -e '.ok == true and (.url | startswith("wss://"))'. Expects ok: true and a wss:// URL. Failure modes: "not_authed" (token missing), "missing_scope" (token lacks connections:write), "token_revoked" (regenerate).
access.json exists, is mode 0600, parses as valid JSON: [ -f ~/.claude/channels/slack/access.json ] && jq empty ~/.claude/channels/slack/access.json.
allowFrom is non-empty: jq -e '.allowFrom | length > 0' ~/.claude/channels/slack/access.json. If empty, user has not completed Step 5.
Audit log integrity: if audit.log exists, run bun server.ts --verify-audit-log ~/.claude/channels/slack/audit.log. Report hash-chain status.
Claude Code version ≥ v2.1.80 and claude.ai login present: claude --version and claude auth status.
Bot is in channel(s) configured in access.json.channels: for each opted-in channel, curl -s -H "Authorization: Bearer $SLACK_BOT_TOKEN" "https://slack.com/api/conversations.members?channel=$CHANNEL_ID" | jq -e --arg bot "$BOT_USER_ID" '.members | index($bot) != null'. THIS catches the silent-killer Step 2 omission.
Report format:
✅ State directory /home/.../slack (0700)
✅ Token file .env (0600)
✅ Bot token active — team=acme, bot_id=U0123
✅ App token active — connections:write
✅ Access file access.json (0600, valid JSON)
⚠️ Paired users 0 (run pairing flow — Step 5)
✅ Audit chain verified — 1247 events, no breaks # event count is an example
✅ Claude Code v2.4.1, claude.ai session active
❌ Bot in channel C_OPS opted-in but bot is NOT a member ← silent killer
Fix: open #ops → Integrations → Add an App
Exit code: 0 if all green, 1 if any ⚠️ or ❌. Print
Suggested next: /slack-channel:install repair if any fixable issue.
Mode: verify
Just the Step 6 verification round-trip. Useful after repair or after
restarting Claude. Tells the user:
Send @<bot> hello in any channel where the bot is added.
I'll wait up to 30 seconds for a reply event in the journal.
Tail audit.log for the next 30s looking for gate.allowed followed by
reply.sent. Report success or timeout. On timeout, suggest doctor.
Mode: repair
Auto-fix the issues doctor found that are safely fixable:
DO NOT repair — surface for incident review (this means tampering or write loss)
Bot not in channel
Cannot fix from the terminal — print the exact Slack click-path
Token invalid
Cannot fix — instruct user to regenerate at api.slack.com/apps
NEVER auto-modify access.json content beyond the corrupt-restart case
above. NEVER auto-modify the audit log. Both are append-only / engineer-edit-only.
After repair, re-run doctor and show before/after.
Mode: manifest
Generate a Slack app manifest JSON that pre-configures all 8 OAuth scopes
and 4 event subscriptions in one import. Saves a fresh user ~10 minutes
of UI clicking and eliminates the "did I add the right scopes" failure mode.
Write slack-app-manifest.json to the user's current directory:
{"display_information":{"name":"Claude Code Channel","description":"Bridge between Claude Code and Slack via Socket Mode + MCP","background_color":"#1a1a1a"},"features":{"bot_user":{"display_name":"Claude Code","always_online":true}},"oauth_config":{"scopes":{"bot":["chat:write","channels:history","groups:history","im:history","reactions:write","files:read","files:write","users:read"]}},"settings":{"event_subscriptions":{"bot_events":["message.im","message.channels","message.groups","app_mention"]},"interactivity":{"is_enabled":true},"socket_mode_enabled":true,"org_deploy_enabled":false,"token_rotation_enabled":false}}
Then print:
✅ Wrote slack-app-manifest.json
Next steps:
1. Open https://api.slack.com/apps
2. Click "Create New App" → "From an app manifest"
3. Choose your workspace
4. Paste the contents of slack-app-manifest.json
5. Click "Next" → "Create"
6. On the next screen: "Install to Workspace" → "Allow"
7. Copy the Bot Token (xoxb-...) from "OAuth & Permissions"
8. Copy the App-Level Token (xapp-...) from "Basic Information" → "App-Level Tokens"
(You may need to generate it; required scope: connections:write)
9. Run: /slack-channel:install
(it will pick up from Step 2 — adding the bot to a channel)
Mode: reset
Wipe local state and re-pair, keeping the Slack app intact. Useful when:
User wants a fresh access.json (revoked allowlist, etc.)
Session state is wedged
Switching to a different Slack workspace using the same install
Steps:
Confirm with the user: "This will delete ~/.claude/channels/slack/access.json
and ~/.claude/channels/slack/sessions/. Tokens (.env) and audit log
stay. Proceed? [y/N]"
On confirm:
Move access.json to access.json.reset.<timestamp> (don't delete — keep one rollback)
Move sessions/ to sessions.reset.<timestamp>/ (archive, never rm -rf — keep one rollback path per the skill's safety invariants)
Write a fresh empty access.json with mode 0600
Tell the user: "Reset complete. Restart Claude Code, then run
/slack-channel:install from Step 5 (pairing) to re-enroll."
NEVER touch audit.log in reset — the journal is permanent record.
NEVER touch .env — Slack tokens are reusable.
Mode: tour
For someone evaluating CCSC without installing. No mutations, no
prerequisites required. Walk through:
Print instructions for revoking the Slack app
Proceed? [y/N]"
On confirm:
Move the entire state dir to ~/.claude/channels/slack.uninstalled.<timestamp>
(don't rm -rf — keep one rollback path)
Print:
Local state archived to ~/.claude/channels/slack.uninstalled.<timestamp>.
To delete it permanently:
rm -rf ~/.claude/channels/slack.uninstalled.<timestamp>
To revoke the Slack app:
1. Open https://api.slack.com/apps
2. Select your app
3. Settings → Basic Information → scroll down → "Delete App"
OR if you just want to revoke tokens without deleting the app:
- OAuth & Permissions → "Revoke Tokens"
Output
What each mode leaves behind, and what it prints:
Mode
Output
install
.env (0600) + access.json (0600) under ~/.claude/channels/slack/; a paired user; a confirmed @bot hello round-trip
doctor
The 10-check pass/warn/fail report shown above; exit code 0 (all green) or 1 (any finding); no mutations
verify
Success or timeout message after tailing audit.log for gate.allowed + reply.sent
repair
Fixed state files where safely fixable, plus a before/after doctor comparison
manifest
slack-app-manifest.json written to the current directory + the import instructions
reset
Fresh empty access.json; prior state archived as *.reset.<timestamp>; .env and audit.log untouched
tour
Conversation only — no filesystem changes
uninstall
State dir archived to slack.uninstalled.<timestamp> + Slack-app revocation instructions
Error Handling
Prerequisite failures (Step 0) — print the recovery command, wait for the
user to fix, re-check. Never proceed on a broken prerequisite.
Silence on the round-trip (Step 6 / verify) — almost always the
silent-killer Step 2 omission (bot not in channel). Run doctor; check 10
catches it and prints the exact Slack click-path.
Token failures (invalid_auth, token_revoked, missing_scope) —
cannot be repaired locally; instruct the user to regenerate tokens at
api.slack.com/apps, then re-run /slack-channel:configure.
Corrupt access.json — repair archives it as
access.json.broken.<timestamp> and writes a fresh empty file; pairing must
be redone.
Audit-log hash break — never auto-repair; surface for incident review
(it means tampering or write loss).
/slack-channel:install # full fresh-clone walkthrough
/slack-channel:install manifest # write slack-app-manifest.json, then import at api.slack.com/apps
/slack-channel:install doctor # 10-point health check, no mutations
/slack-channel:install repair # fix what doctor found, show before/after
/slack-channel:install tour # evaluate CCSC without touching the filesystem
/slack-channel:install uninstall # archive state, print Slack-app revocation steps
Typical recovery sequence after a silent channel:
/slack-channel:install doctor # → "❌ Bot in channel — C_OPS opted-in but bot is NOT a member"
# add the bot via Slack UI (channel → Integrations → Add an App)
/slack-channel:install verify # → round-trip confirmed
Success criteria (across modes)
Mode
Success means
install
.env exists (0600), user is paired, @bot hello round-trip works
doctor
All 10 checks reported with pass/warn/fail status; exit code reflects state
verify
Round-trip succeeds within 30s, journal records gate.allowed + reply.sent
repair
All fixable findings cleared; doctor re-run shows green or only unfixable issues
manifest
slack-app-manifest.json written to cwd, instructions printed
