Find the Right AI Skill for Any Job

Browse 7+ curated AI agent skills. Search by use case, filter by category, get the right tool instantly.

Browse by Use Case →Pick My Role

All Skills — productivity

7 skills in "productivity" matching "Letter"

Comprehensive Ghost CMS integration for creating, publishing, scheduling, and managing blog content, newsletters, members, and analytics. Use when working with Ghost blogs for content creation (drafts, publishing, scheduling), member/subscriber management (tiers, newsletters), comment moderation, or analytics (popular posts, subscriber growth). Supports all Ghost Admin API operations.

Content Calendar

Plan, schedule, and track content across channels — newsletters, social media, blog posts, and videos. Manages pipeline stages, publishing cadence, and repur...

Manage GetResponse email marketing via API to handle campaigns, contacts, newsletters, tags, autoresponders, and segments with OAuth authentication.

Clean and organize Gmail accounts in bulk. Use when asked to clean Gmail, remove spam, trash newsletters/promotional emails, bulk-delete emails by sender, cr...

Newsletter Automation

Complete newsletter management system with subscriber signup (double opt-in), automated welcome drip sequence, broadcast sender, and subscriber analytics. 4...

Agent Task Queue

Build and operate a multi-agent task queue in OpenClaw with priority queues, delayed/dead-letter queues, scheduling, retry/timeout control, dependency manage...

PostGrid integration. Manage Persons, Organizations, Addresses, Letters, Postcards, Templates and more. Use when the user wants to interact with PostGrid data.

Handles Feishu message construction, sending with retries, rate limit detection, delivery diagnostics, and dead-letter queue management for geo alerts.

Letterdrop integration. Manage Organizations. Use when the user wants to interact with Letterdrop data.

21 Little Known Reasons Why Your Sales Letter Is Not Converting

by Danavir Sarria.

Content Workflow Engine

Automate content creation, management, and distribution workflows. Use when: (1) Creating content pipelines for blogs, social media, or newsletters, (2) Sche...

Newsletter integration. Manage Newsletters. Use when the user wants to interact with Newsletter data.

Neckr0ik Newsletter Manager

Manage newsletters with AI-generated content. Create, schedule, and send newsletters automatically. Supports multiple platforms (Substack, Beehiiv, ConvertKi...