Design-first specification for the Model Context Protocol. Design your MCP server before you write a line of code.
Most MCP servers are built code-first — tools, resources and prompts get shaped during implementation. MCPDS flips the order: a declarative, machine-readable design comes first, code second. One source of truth, validation before implementation, a design both humans and machines can read.
- Read the spec — format, JSON Schema, principles → mcpds
- Try the designer — design a server in a visual editor → mcpdesign.org
- mcpds — specification and schema
- mcp-designer — free visual designer for MCPDS
An open standard. mcpdesign.org
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Showing 4 of 4 repositories
- mcp-designer Public
MCP Designer is a web-based tool for designing and validating MCP servers with the MCP Design Specification (MCPDS).
- .github Public
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