foundryvtt-mcp
★ 24
vs
semble
★ 4.5k
foundryvtt-mcp vs semble
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.; semble: Semble is a high-performance code search library designed for AI agents, providing instant access to precise code snippets. It offers significantly faster indexing and querying compared to transformer models, achieving 99% of their retrieval quality while running entirely on CPU without external dependencies.
01
TL;DR
Choose foundryvtt-mcp if…Roll dice for attack rolls
Choose semble if…Enhancing AI agents (e.g., Claude Code, Cursor, Codex) with fast and accurate code search capabilities
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
semble01Fast performance on CPU (indexes in ~250ms, queries in ~1.5ms)
02High accuracy (NDCG@10 of 0.854), comparable to transformer models
03Supports indexing local paths and remote Git repositories
04Functions as an MCP server for various AI agents
05Zero setup, no API keys, GPU, or external services required
04
Use Cases
foundryvtt-mcp↳Roll dice for attack rolls
↳Query NPCs and items in a scene
↳Search world for dragon-related content
semble↳Enhancing AI agents (e.g., Claude Code, Cursor, Codex) with fast and accurate code search capabilities
↳Searching local or remote codebases for specific code snippets based on natural language or code queries
↳Finding semantically similar code sections related to a given file path and line number
05
Best For
foundryvtt-mcpTrendingMemory & Context
sembleCode AssistantRAG / Knowledge Base
FAQ
FAQ
What is the difference between foundryvtt-mcp and semble?
Both foundryvtt-mcp and semble are in the Dev Tooling category. foundryvtt-mcp has 24 stars, while semble has 4.5k stars.
Which is better, foundryvtt-mcp or semble?
The best choice depends on your use case. Choose foundryvtt-mcp if Roll dice for attack rolls, and semble if Enhancing AI agents (e.g., Claude Code, Cursor, Codex) with fast and accurate code search capabilities.
Is foundryvtt-mcp free or open source?
Yes, foundryvtt-mcp is open source on GitHub (MIT).
Is semble free or open source?
Yes, semble is open source on GitHub (MIT).
→