What is the NPCTalk toolkit?

A toolkit from Universal Modder that makes any NPC in any game talk back with Fish Audio voices: skills, a self-hosted voice server and tools that let an AI coding agent wire it up, with a full GTA V example in the repo.

How does NPCTalk use Jev?

In the documented exchange, an LLM on Cerebras writes the reply in character while TypeSafe Jev picks an action, and the NPC then speaks and acts on what was said. The digest does not show the Jev question set or endpoint.

How fast is an NPC reply?

The README says end of sentence to voice takes 1.2-2.2 seconds with push-to-talk, and running the open mic instead of push-to-talk adds a 0.7 second wait.

How do I install NPCTalk for my coding agent?

Each agent gets the same skills, fal MCP server and npctalk CLI: Claude Code uses /plugin marketplace add and /plugin install, Codex uses codex plugin marketplace add, Gemini CLI uses gemini extensions install, and Copilot uses Chat: Install Plugin From Source.

What services does the NPCTalk pipeline depend on?

Speech-to-text runs on fal, the reply LLM runs on Cerebras, the voice server is self-hosted on a Modal H100, voices come from Fish Audio Drama 3 or S2 Pro, and TypeSafe Jev picks actions, so several external services are involved.

Does NPCTalk only work in GTA V?

It was built first for GTA V, but the README says most of the code does not know it is in GTA and the skills state what each game must provide, so the same pieces are meant to be reusable in other games.

Who makes NPCTalk and what is its status?

It is published by christos-antono as part of the Universal Modder toolkit, MIT licensed, written in Python, created 2026-10-15 and pushed 2026-10-16 with 107 stars and 9 forks.

Jev directory

CommunityJev Agents & MCP

NPCTalk

Makes NPCs in games talk back: skills, a self-hosted Fish Audio voice server and tools that let a coding agent wire up in-character dialogue, with TypeSafe Jev picking each NPC action and a full GTA V example.

See highlights Open github.com

Stars: 123
Language: Python
License: MIT
Reading time: 2 min
Published by: Community
Author: christos-antono
Last verified: Oct 2026

christos-antono/NPCTalk

User repository on GitHub

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Make any NPC in any game talk back with Fish Audio: skills, a self-hosted voice server and tools for AI coding agents, with a full GTA V example.

Forks: 9
Last pushed: Updated Oct 2026

Repo stats from the GitHub API, cached Oct 2026.

Tagscommunity github python gaming voice

Works forJev for Tool calling Jev for Realtime control

Used inJev for Gaming

Languages: Python
Platforms: CLI MCP
Capabilities: Open sourceSelf-hosted

Highlights

One exchange: voice activity detection, speech-to-text on fal, an LLM on Cerebras writes the reply, and TypeSafe Jev picks the action.
Fish Audio Drama 3 or S2 Pro voices stream from a self-hosted voice server on a Modal H100.
End of sentence to voice is 1.2-2.2 seconds with push-to-talk; switching to the open mic adds a 0.7 second wait.
Ships as Agent Skills plus the fal MCP server and an npctalk CLI, with installs for Claude Code, Codex, Gemini CLI, Copilot and Cursor.
Built first for GTA V, but the skills describe what a game must provide so the same pieces work in other games.

Quickstart

bash

codex plugin marketplace add christos-antono/NPCTalk
codex plugin add npctalk@npctalk
gemini extensions install https://github.com/christos-antono/NPCTalk

Watch out

README reviewed 2026-10-17; the excerpt is truncated mid-sentence in the Cursor install row and shows no pricing for Fish Audio, fal, Cerebras, Modal or TypeSafe, no benchmarks beyond the quoted latency range, and no licence text beyond GitHub's MIT metadata.

Questions about this entry

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