jsonschema mcp for Claude Code

io.github.mrfentmen/jsonschema-mcp

Validate JSON against a JSON Schema offline, with a clear list of every structural error

client:Claude Code transport:stdio runtime:npm

Install jsonschema mcp in Claude Code

run in your project directory

claude mcp add jsonschema-mcp -- npx -y @mrfentmen/jsonschema-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs