Individual skill
deprecation-comms-plan
Plan the communications for deprecating a product, API, endpoint, or feature that customers depend on. Use when winding down or sunsetting something, planning a breaking change, or migrating customers off a legacy path. Produces a staged timeline with grace periods, tiered customer messaging, a migration-guide outline, the channel plan, and an internal escalation playbook for the highest-risk accounts. This is the customer-communications program — distinct from [[feature-sunset-plan]] (the kill decision, data handling, and code removal) and [[api-versioning-strategy]] (the technical versioning mechanics).
skills/deprecation-comms-plan/SKILL.md
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# Deprecation Comms Plan Skill
Deprecations go wrong in two ways: too fast (customers get broken and churn angry) or too quiet (they find out when it breaks). This skill plans the wind-down as a *communications program*, not an announcement — enough runway, messaging matched to how much each customer depends on the thing, a real migration path, and a plan for the accounts that will need a human.
## Working from a brief
Given what's being deprecated and why, **produce the full plan** — infer the risk tiers from usage and contract exposure. Right-size the runway to how hard the migration is (an internal flag flip is weeks; a public API is many months). If there's no migration path yet, flag that as a blocker before any announcement.
## Required Inputs
Ask for (if not provided, else infer and label the assumption):
- **What's being deprecated** and **why** (cost, security, strategy, replaced-by)
- **Who depends on it** — rough usage, and which segments/contracts are exposed
- **The replacement / migration path** (or that there isn't one yet)