Skill Claude CodeCodex
Read Telegram channels and groups for financial news and market research using tdl (read-only). Use this skill whenever the user wants to read Telegram channels, export messages from financial Telegram groups, list their Telegram chats, search for news in Telegram channels, or gather market intelligence from Telegram.…
Skill Claude CodeCodex
Read Twitter/X for financial research using opencli (read-only). Use this skill whenever the user wants to read their Twitter feed, search for financial tweets, view bookmarks, look up user profiles, or gather market sentiment from Twitter/X. Triggers include: "check my feed", "search Twitter for", "show my…
Skill Claude CodeCodex
Look up Y Combinator companies, batches, and startup ecosystem data using the yc-oss API (read-only). Use this skill whenever the user wants to research YC-backed startups, find companies in a specific batch or industry, check which YC companies are hiring, explore top YC companies, or analyze startup trends by sector…
Skill Claude CodeCodex
Analyze a startup from three perspectives: VC investor, job applicant, and CEO/founder. Use this skill whenever the user wants to evaluate a startup, assess whether to invest in or join a startup, do due diligence, evaluate a job offer from a startup, understand a startup's competitive position, or assess company…
Skill Claude CodeCodex
Design system and guidelines for Claude's built-in generative UI — the showwidget tool that renders interactive HTML/SVG widgets inline in claude.ai conversations. This skill provides the complete Anthropic "Imagine" design system so Claude produces high-quality widgets without needing to call readme first. Use this…
Plugin Claude Code
Auth skills for Claude Code — scaffold hand-rolled auth endpoints and audit auth code against security best practices.
Skill Claude CodeCodex
Scaffold signin and signup authentication endpoints for a project. Use when the user wants to add authentication, create login/register flows, or set up auth from scratch.
Skill Claude CodeCodex
Audit and harden authentication code for security best practices. Use when the user wants to check their auth implementation for vulnerabilities, harden session handling, fix credential storage, validate OAuth/OIDC flows, add MFA/passkeys, or apply OWASP-recommended security patterns.