foundryvtt-mcp
★ 24
vs
fastmcp
★ 25.4k
foundryvtt-mcp vs fastmcp
foundryvtt-mcp: An MCP server that integrates with FoundryVTT, enabling AI assistants to roll dice, query game data, and generate content via natural language. It supports live connection via Socket.IO, provides MCP resources, and includes diagnostics when the REST API module is available. Installation is simple with npx or bunx, and it works with MCP-compatible clients like Claude Desktop and VS Code.; fastmcp: FastMCP is a standard framework for building Model Context Protocol (MCP) applications, which connect LLMs to tools and data. It simplifies the process by automatically generating schemas, validation, and documentation for tools, and managing transport negotiation and authentication for server connections. FastMCP offers a comprehensive solution for developing, deploying, and scaling MCP-powered systems.
01
TL;DR
Choose foundryvtt-mcp if…Roll dice for attack rolls
Choose fastmcp if…Building LLM applications that interact with custom tools and data sources
02
Side-by-Side Comparison
03
Features
foundryvtt-mcp01Dice Rolling — standard RPG notation with any formula
02Data Querying — search and inspect actors, items, scenes, journals
03Game State — combat tracking, chat messages, user presence
04Content Generation — NPCs, loot tables, rule lookups
05Live Connection — Socket.IO loads complete world state on connect
fastmcp01Automatic schema, validation, and documentation generation for tools
02Managed transport negotiation, authentication, and protocol lifecycle for server connections
03Wraps Python functions into MCP-compliant tools, resources, and prompts (Servers)
04Connects to any MCP server with full protocol support (Clients)
05Provides interactive UIs for tools rendered directly in conversations (Apps)
04
Use Cases
foundryvtt-mcp↳Roll dice for attack rolls
↳Query NPCs and items in a scene
↳Search world for dragon-related content
fastmcp↳Building LLM applications that interact with custom tools and data sources
↳Creating interactive conversational UIs for backend functionalities
↳Developing and deploying scalable MCP servers and clients
05
Best For
foundryvtt-mcpTrendingMemory & Context
fastmcpMost PopularDev ToolingLLM Infra
FAQ
FAQ
What is the difference between foundryvtt-mcp and fastmcp?
Both foundryvtt-mcp and fastmcp are in the Dev Tooling category. foundryvtt-mcp has 24 stars, while fastmcp has 25.4k stars.
Which is better, foundryvtt-mcp or fastmcp?
The best choice depends on your use case. Choose foundryvtt-mcp if Roll dice for attack rolls, and fastmcp if Building LLM applications that interact with custom tools and data sources.
Is foundryvtt-mcp free or open source?
Yes, foundryvtt-mcp is open source on GitHub (MIT).
Is fastmcp free or open source?
Yes, fastmcp is open source on GitHub (Apache-2.0).
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