14 tagged rules engine, measured the same way as everything else here.
Browse within: ecs 12kotlin 12magic-the-gathering 12mtg 12
Skill Claude CodeCodex
Implements new Magic: The Gathering cards for the Argentum Engine. Use when adding a new card, the user provides one or more card names to implement, or asks to implement a specific MTG card. Several cards that reuse existing primitives can be implemented together into one PR.
Skill Claude CodeCodex
Adds a new feature or mechanic to the Argentum Engine (SDK primitive, effect, trigger, condition, static/replacement ability, server/client capability) following the project's architecture and SDK-elegance principles. Use when implementing engine/SDK/server/client functionality that isn't a single card — e.g. "add an…
Skill Claude CodeCodex
Implement every "Assay-ready" card for a Magic set — the cards Argentum Assay reads whole that the set hasn't authored yet — placing each canonical in its earliest real printing and giving the sweep's own set a Printing row when the card is a reprint. Computes the four-way split first, authors to assay compile's JSON…
Skill Claude CodeCodex
Build and operate services on an Orion runtime — author workflow/channel/connector JSON, validate and dry-run it offline, deploy it through the draft→test→activate path, and read traces. Use whenever the task involves Orion, orion-cli, orion-server, an Orion workflow/channel/connector, or a request to add, change…
Skill Claude CodeCodex
Deterministic rules verdicts for D&D 5e game-running agents, cited to the SRD 5.2.1 (2024 rules). Use it mid-turn whenever a rules question has a codified answer: "can I grapple while raging?", "is this attack at advantage?", "does she still have her reaction?", "is Hexblade even a thing here?", "what's the save DC…