Crystal MCP server

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Category: Dev tools

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Source: official MCP Registry entry io.github.EraHQ/crystal

Direct MCP URL and setup

CLAUDE CODE

claude mcp add --transport http io-github-erahq-crystal https://crystal-api-118881845105.us-east5.run.app/mcp

CURSOR / VS CODE (mcp.json)

{ "mcpServers": { "io-github-erahq-crystal": { "url": "https://crystal-api-118881845105.us-east5.run.app/mcp" } } }