I just released EpicAINpc, a Paper 1.21 plugin that turns ordinary villagers into AI-powered NPCs your players can actually talk to — and that remember them.
What makes it different: most "AI NPC" setups forget you the moment you walk away. EpicAINpc gives every NPC persistent memory per player, stored on disk. A player can tell an NPC something, log off, come back the next day, and the NPC still remembers them. Each NPC has its own personality, replies in the player's own language automatically, can hand out AI-generated quests, and can teleport players to zones on request.
Features:
Persistent per-player memory (survives restarts and relogs)
Unique personalities per NPC, fully configurable
Automatic language detection — NPCs reply in the player's language
AI-generated quests on request
Smart teleportation to zones
Built-in content filter and per-player rate limiter
Powered by Claude AI (Anthropic). The plugin uses your own Anthropic API key, so all usage runs on your account — there is no key included, and costs go directly to Anthropic (it uses the cheapest model, so conversations are roughly $0.001 each). A full setup guide (English and Dutch) is included in the download.
Tested on Paper 1.21.11, Java 21.
Happy to answer any questions here or via message — I'm actively supporting it.
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