Usecase newsletter digest

01What is it?
Summarize newsletter/email feed messages from the last N hours and propose follow-ups. It stands out by giving email marketing a defined shape, so the agent asks for better context and returns a more usable result.
02Inputs
Context for email marketing: your goals, audience, constraints, and any source material the skill asks for.
03Output
A ready-to-use result for email marketing: the analysis, copy, or recommendations the agent produces.
Paste-ready

Install as a package

Installs this one skill package for your coding agent, including any supporting files that skill ships with — not every skill in the repository. Read the tutorial.

Terminal
$ npx skills add cowork-os/cowork-os --skill usecase-newsletter-digest

Use in Profound

Copy this file into a new Profound Skill. That's it, nothing else to install.

Copy and create in Profound
SKILL.md

Newsletter Digest

Purpose

Summarize newsletter/email feed messages from the last N hours and propose follow-ups.

Routing

  • Use when: Use when the user asks to summarize newsletter/email feed messages from the last N hours and propose follow-ups.
  • Do not use when: Do not use when the request is asking for planning documents, high-level strategy, or non-executable discussion; use the relevant planning or design workflow instead.
  • Outputs: Outcome from Newsletter Digest: task-specific result plus concrete action notes.
  • Success criteria: Returns concrete actions and decisions matching the requested task, with no fabricated tool-side behavior.

Trigger Examples

Positive

  • Use the usecase-newsletter-digest skill for this request.
  • Help me with newsletter digest.
  • Use when the user asks to summarize newsletter/email feed messages from the last N hours and propose follow-ups.
  • Newsletter Digest: provide an actionable result.

Negative

  • Do not use when the request is asking for planning documents, high-level strategy, or non-executable discussion; use the relevant planning or design workflow instead.
  • Do not use usecase-newsletter-digest for unrelated requests.
  • This request is outside newsletter digest scope.
  • This is conceptual discussion only; no tool workflow is needed.

Parameters

NameTypeRequiredDescription
channelselectYesWhere the newsletter feed arrives
chat_hintstringYesName/keyword to identify the chat in channel_list_chats results
sincestringNoTime window (e.g., "24h")
message_limitnumberNoHow many messages to fetch
output_formatselectNoHow to format the digest

Runtime Prompt

  • Current runtime prompt length: 882 characters.
  • Runtime prompt is defined directly in ../usecase-newsletter-digest.json.

How do I install Usecase newsletter digest in Cursor, Claude Code, or Codex?

Run npx skills add cowork-os/cowork-os --skill usecase-newsletter-digest in the project where you want it, then ask your agent for the skill by name. The --skill flag installs only Usecase newsletter digest, not every skill in the repository.

Where does Usecase newsletter digest come from and what license is it under?

Usecase newsletter digest comes from the cowork-os/cowork-os repository on GitHub. That repository has 369 GitHub stars. The skill is published under the MIT license.

Prefer plain text? Read the Usecase newsletter digest guide as markdown.