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Cline

JSON Contracts for Cline

io.github.json-contracts/json-contracts

JSON contract registry and validator for structured LLM and agent outputs.

client:Cline transport:stdio runtime:npm

Install JSON Contracts in Cline

~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json · windows: %APPDATA%\Code\User\globalStorage\saoudrizwan.claude-dev\settings\cline_mcp_settings.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "json-contracts": {
      "command": "npx",
      "args": [
        "-y",
        "json-contracts"
      ],
      "env": {
        "JSON_CONTRACTS_DIR": "<JSON_CONTRACTS_DIR>"
      }
    }
  }
}

Cline's MCP Servers pane edits this file for you if you would rather not find it. Cline docs

JSON Contracts in other clients

JSON Contracts MCP server