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MCP server

JSON Contracts

io.github.json-contracts/json-contracts

Checked 26 Oct 2026, 08:31 UTC · Still published on its registry; checked against OSV.dev; never run by us

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

Runs on your computer

Website Source

At a glance

Type
MCP server
Publisher
Not verified
Status
Runs on your computer
Sets up in
Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code
Last checked
26 Oct 2026, 08:31 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. It then runs the package on your computer with your permissions. For other apps, copy the setup below.

Claude Code

claude mcp add json-contracts -- npx -y json-contracts@0.1.2

Claude Desktop

{"mcpServers":{"json-contracts":{"command":"npx","args":["-y","json-contracts@0.1.2"]}}}

Codex (config.toml)

[mcp_servers.json-contracts]
command = "npx"
args = ["-y","json-contracts@0.1.2"]

Gemini CLI

{"mcpServers":{"json-contracts":{"command":"npx","args":["-y","json-contracts@0.1.2"]}}}

Cursor

{"mcpServers":{"json-contracts":{"command":"npx","args":["-y","json-contracts@0.1.2"]}}}

VS Code

{"servers":{"json-contracts":{"type":"stdio","command":"npx","args":["-y","json-contracts@0.1.2"]}}}

Runs on your computer with your permissions: check the package and its source before installing.

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