Demo MCP server serving Agent Skills per SEP-2640 (Skills Extension), with OpenAI Scan Tools interop results
Skill Claude CodeCodex
Roll dice for tabletop games using standard dice notation (2d6+3, d20 with advantage, exploding dice). Use when the user asks to roll dice, resolve a game check, or interpret dice notation.
Skill Claude CodeCodex
Define Model Context Protocol terms precisely (host, client, server, resource, tool, prompt, sampling, elicitation, extension, SEP). Use when the user asks what an MCP term means or how MCP concepts relate.
Skill Claude CodeCodex
Write user-facing release notes from a list of merged changes, grouped by impact with breaking changes surfaced first. Use when the user asks to draft release notes, a changelog entry, or an announcement for a release.
Skill Claude CodeCodex
Recommend an off-menu coffee order based on the user's mood. A deliberately unlisted skill demonstrating that skills absent from skills/list remain retrievable via skills/get and readable by URI.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: