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JSON Contracts

io.github.json-contracts/json-contracts ยท version 0.1.2

Community listing. Not installed or verified by cosmic-mcp. Read the source and its permissions before you run it.

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

https://github.com/json-contracts/json-contracts

Quick facts

  • Listing: Community
  • Published May 5, 16:22 UTC
  • Transport: stdio
  • Package: npm json-contracts 0.1.2
  • Listed by cosmic-mcp: Nov 8, 19:00 UTC

AI and LLMs

Setup snippets

Generated from the registry entry. cosmic-mcp has not run or reviewed this server; values in angle brackets are yours to fill in.

Run it locally (npm)

npx -y '[email protected]'

Claude Desktop (claude_desktop_config.json)

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

Claude Code

claude mcp add 'json-contracts' -- npx -y '[email protected]'

Cursor (.cursor/mcp.json)

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

VS Code (.vscode/mcp.json)

{
  "servers": {
    "json-contracts": {
      "args": [
        "-y",
        "[email protected]"
      ],
      "command": "npx",
      "env": {
        "JSON_CONTRACTS_DIR": "<your json contracts dir>"
      },
      "type": "stdio"
    }
  }
}

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