Skillget

release-calendar-skill

skill
Security Audit
Warn
Health Warn
  • No license — Repository has no license file
  • Description — Repository has a description
  • Active repo — Last push 0 days ago
  • Low visibility — Only 6 GitHub stars
Code Warn
  • Code scan incomplete — No supported source files were scanned during light audit
Permissions Pass
  • Permissions — No dangerous permissions requested
Purpose
This is a Claude Code skill that scrapes X (Twitter) posts to identify product releases and automatically generates visual "shipping velocity" calendar posters for various tech companies.

Security Assessment
Overall risk: Medium. The tool inherently makes network requests to pull data from X, fetch brand logos from external repositories, and presumably take screenshots using the bundled agent-browser dependency. No hardcoded secrets were detected, and no dangerous permissions are explicitly requested. However, the automated code scan was unable to examine the core source files. It is highly likely that the tool interacts with the local file system and executes shell commands via the required third-party CLI tools (like twitter-cli) to automate browser actions and capture images. It requires active browser sessions where the user must already be logged into X.

Quality Assessment
The project is very new and has low visibility, currently sitting at only 6 GitHub stars. While the repository was updated very recently (indicating active development), it lacks a formal license file in the repository root, which may restrict proper open-source usage despite the README badge claiming MIT. Community trust is currently minimal due to the low adoption rate and the inability to fully verify the underlying code.

Verdict
Use with caution — while the concept is straightforward, its reliance on external shell tools, automated browser control, and missing source code transparency warrant a thorough manual code review before installing.
SUMMARY

Auto-generate 'Everything [Team] shipped in X days' release calendar posters from real X posts. A Claude Code skill.

README.md

📅 Release Calendar Skill

Auto-generate "Everything [Team] shipped in X days" posters from real X posts

A Claude Code skill that pulls tweets, identifies product releases, and renders a brand-matched calendar poster — just like the viral Anthropic / OpenAI shipping velocity images.


Claude Code
Platform
License
X / Twitter


Demo

Cursor Gemini
Cursor Gemini
Codex Lovable
Codex Lovable

What It Does

Given a company name and a date range, this skill:

  1. Pulls real X posts from official accounts and founders (up to 200 posts per handle, including replies)
  2. Filters to product releases — model launches, features shipped, integrations, milestones
  3. Fetches brand assets — logo from lobehub/icons or the company website, team member avatars
  4. Renders an HTML calendar — brand-matched colors, team avatar row, click-through tweet links
  5. Screenshots to PNG — crisp 2× retina output, ready to share

Requirements

Dependency Install
Claude Code Required
twitter-cli (x-cli) npm install -g twitter-cli
agent-browser Bundled with Claude Code

You must be logged in to X in a supported browser (Chrome, Firefox, Safari, Edge, or Brave).

Install

claude skills install jefflinshu/release-calendar-skill

Or manually — copy SKILL.md into your Claude Code skills directory:

cp SKILL.md ~/.claude/skills/release-calendar/SKILL.md

Usage

Just tell Claude what you want in plain language:

English triggers:

  • release calendar for Vercel
  • everything Stripe shipped in 60 days
  • shipping velocity poster for Linear
  • make a calendar of Figma releases

Chinese triggers:

  • 帮我做一个 Cursor 的 release calendar
  • 做一张 OpenAI shipped in 60 days 的图
  • [公司] 发布日历 / 盘点一下 [公司] 发布了什么

Claude will walk you through the setup interactively — browser choice, date range, background style.

Supported Brands (built-in styles)

Company Brand Color Known Accounts
OpenAI #10A37F @OpenAI, @OpenAIDevs
Anthropic #D97757 @AnthropicAI, @ClaudeAI
Cursor #c8ff00 on black @cursor_ai, @mntruell
Google Gemini #1a73e8 @GoogleDeepMind, @OfficialLoganK
Vercel #000000 @vercel
GitHub #238636 @github
Stripe #635BFF @stripe
Linear #5E6AD2 @linear
Figma #F24E1E @figma
Amp / Ampcode warm parchment @AmpCode, @sqs
Augment Code #1A9E5C @augmentcode
Any company auto-detect searches X + favicon

Output

Two files are saved to your working directory:

  • release-calendar.html — interactive version with click-through tweet links
  • release-calendar.png — hi-res PNG for sharing on X, Notion, etc.

How It Works

User prompt
    │
    ▼
Setup wizard (browser, company, date range, background)
    │
    ▼
Pull X posts (twitter-cli, up to 200/handle, parallel)
    │
    ▼
Filter to product releases (model launches, features, milestones)
    │
    ▼
Fetch brand logo + team avatars
    │
    ▼
Generate brand-matched HTML calendar
    │
    ▼
Screenshot → PNG (agent-browser, 2× retina)

License

MIT — free to use, modify, and share.

Built with Claude Code · Data from X/Twitter · Inspired by viral shipping velocity posts

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