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Arcweave
Collaborative branching-narrative design tool with AI writing and story-auditing helpers, engine plugins and a hosted MCP server.
Visual branching editor with AI that drafts in your story's tone, flags dead ends, and syncs to Unity, Unreal and Godot through free plugins.
The free plan caps you at 200 items per project and 25 AI credits a month, and the REST API and MCP server need the Team plan.
- Best for
- Narrative designers and writers planning quests and dialogue trees
- Pricing
- Freemium Free; Pro $15/member/mo, Team $25/member/mo (yearly)
- Platforms
- WebUnityUnrealGodotMCP
- Category
- Game Design & Prototyping
- Last verified
Overview
Arcweave is a browser-based platform for designing branching narratives, quests and dialogue trees as visual flowcharts, with lore, components and assets in one shared project. You can playtest a story inside the app before it touches your engine, then pull it into Unity, Unreal or Godot with free, open-source plugins that sync in real time.
Its AI tools include a text generator that writes new story elements in the existing tone and lore, a design assistant that analyzes flow, pacing and character arcs and finds dead ends or inconsistencies, and a text enhancer for rewrites and alternate versions. In October 2026 Arcweave added a hosted MCP server so Claude, Cursor, Codex, Gemini CLI or VS Code can summarize, inspect and edit projects or export them for your engine.
Key features
- Visual editor for branching dialogue, quests and logic
- AI text generator that follows your story's tone and lore
- AI design assistant that finds dead ends and inconsistencies
- In-app playtesting before engine integration
- Free open-source plugins for Unity, Unreal and Godot with real-time sync
- Hosted MCP server and REST API (Team plan)
Use it for
Pricing
FreemiumBasic is free forever: 3 projects, 200 items per project and 25 AI credits a month. Pro is $15 per member/month billed yearly ($18 monthly) with unlimited projects and 100 AI credits per member. Team is $25 per member/month yearly ($30 monthly) and adds localization, the REST API, project history and 300 AI credits per member; the MCP server is on the Team plan. Enterprise is custom, yearly only.
Getting started
Create a free account at arcweave.com (no card needed), start a project from a template, then install the Unity, Unreal or Godot plugin from the integrations page when you're ready to bring it into your game.
Alternatives
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