by brookstalley · MCP Server · ★ 80
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Cordyceps MCP server for Grasshopper. Give AI agents or scripts direct control over your parametric design canvas and Rhino rendering tools. Model Context Protocol (MCP) provides a standardized interface for controlling applications — whether from AI assistants or your own code. Features Full Grasshopper control — add components, wire connections, set values, manage groups Rhino integration — bake geometry, manage layers, apply PBR materials, render scenes Natural language — describe what you want and let AI build it Direct scripting — call tools from Python or any MCP client, no AI required Requirements Rhino 8.21+ (requires .NET 8) For AI use: Claude Desktop, Claude Code, Cursor, VS Code, or any MCP-compatible assistant For scripting: Any MCP client library (Python, TypeScript, etc.) Installation Download Cordyceps.gha Copy to your Grasshopper components folder: File → Special Folders → Components Folder Windows users: Right-click the file → Properties → check "Unblock" → OK Usage Drop the Cordyceps component on your canvas (Params → Util → Cordyceps) The server starts on port 26929 by default. Optional inputs: Port: Change the HTTP port
| Stars | 80 |
| Forks | 8 |
| Language | C# |
| Category | MCP Server |
| License | MIT |
| Quality Score | 72.485549732842/100 |
| Last Updated | 2026-07-02 |
| Created | 2026-01-27 |
| Platforms | claude-code, dotnet, mcp |
| Est. Tokens | ~18k |
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cordyceps is Grasshopper MCP Bridge - Claude takes control of Grasshopper. It is categorized as a MCP Server with 80 GitHub stars.
cordyceps is primarily written in C#. It covers topics such as grasshopper, mcp, rhino3d.
You can find installation instructions and usage details in the cordyceps GitHub repository at github.com/brookstalley/cordyceps. The project has 80 stars and 8 forks, indicating an active community.
cordyceps is released under the MIT license, making it free to use and modify according to the license terms.