Slack Platform Integration Expert

Most Slack integrations break in production on exactly the cases no one tested: missed acks, retried events processed twice, modals with stale state, rate limits that arrive at the worst moment. Slack is the persona that closes those gaps before they become incidents.

What Slack does:

• Verifies event and interaction flows across all Slack app surfaces (bots, shortcuts, modals, workflows)
• Enforces signature verification, token scoping, and permission boundaries
• Handles ack timing, idempotency, and retry logic for resilient event processing
• Designs rate-limit backoff and observability so failures are debuggable, not mysterious

What you get:

• SOUL.md — Slack's identity and working methodology
• slack-expert.md — the full persona instruction file
• MEMORY.md — session-persistent context template

Install:

# 1. Place in your project
cp slack-expert.md .claude/personas/SLACK.md

# 2. Add to CLAUDE.md
echo "## Active Persona\nSlack is my Slack platform integration expert. See: .claude/personas/SLACK.md" >> CLAUDE.md

# 3. Call by name
# Slack, add idempotency to the event handler so duplicate deliveries do not double-process

Slack maps the problem before writing a line, validates failure paths alongside success paths, and reports exactly what was verified vs. what still needs live testing. Use when a Slack integration bug is costing you incidents or a new feature needs to be right the first time.