Best Line AI Skills & MCP Servers

Search and discover products across a diverse marketplace of local stores. Access detailed information on specific items and store locations to streamline the shopping experience. Monitor platform statistics to stay informed on product availability and marketplace growth.

Find the obligatory xkcd for whatever you're working on. Article, slide deck, memo, PDF, blog post. Plug it into your AI tool. Your model searches our index of all xkcd comics annotated with applicability, humor type, and themes, picks the right one, and drops it inline.

Provide a comprehensive spellbook for Dungeons & Dragons 5th Edition to enhance your gameplay experience. Access detailed spell information and manage your spell resources efficiently. Streamline your D&D sessions with easy-to-use spell data and tools.

Simplify common data manipulation tasks like encoding, hashing, and formatting across various formats. Convert between CSV, JSON, Markdown, and HTML seamlessly to streamline data workflows. Extract insights from text and configurations through robust parsing, regex testing, and s

EU Directive 2023/970 (Pay Transparency) compliance tools for Polish employers. Check deadlines by headcount, get penalty information, and calculate your compliance risk score. Free, no auth required.

AI Constraint Engine with AI Patch Firewall. 42 MCP tools. Patch Gateway (ALLOW/WARN/BLOCK verdicts), diff-native review (10 scored signals, hard escalation rules), Spec Compiler, Code Graph, Typed constraints, Python SDK, ROS2. Works with Claude Code, Cursor, Windsurf, Cline, Bo