JSONShelf MCP Server: Install & Setup

Install JSONShelf in Claude Code

Claude Code

claude mcp add --transport http jsonshelf https://jsonshelf.vercel.app/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "jsonshelf": {
      "url": "https://jsonshelf.vercel.app/mcp"
    }
  }
}

Frequently asked questions

What does the JSONShelf MCP server do?

Deterministic JSON repair, validate, example-gen, schema-coerce for agents. Zero LLM, sub-10ms.

Is the JSONShelf MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does JSONShelf run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add JSONShelf to Claude Code?

Run: claude mcp add --transport http jsonshelf https://jsonshelf.vercel.app/mcp

More ai agents & coding agents MCP servers

View all

JustFix Estimator

Just-Fix/justfix-skill

Quote UK trades jobs from any AI agent. Price breakdown + tappable booking link.

RemoteAccount needed

JSON Repair

io.github.robertoyanguas-ops/json-repair-mcp

Repairs truncated or malformed LLM JSON outputs (trailing commas, markdown fences, unquoted keys).

RemoteAccount needed

Kairos Coordination Thread

comallagency/kairos-x402-service

Free MCP tools to validate multi-agent coordination thread turns and retrieve schema/samples.

RemoteFree

jp Address

net.streamfront/jp-address

Normalize and verify Japanese postal addresses into structured fields for agents.

RemoteAccount needed

Kawal

io.github.PugarHuda/kawal

Evidence about ERC-8004 agents on BNB Smart Chain, gathered by calling them. No key.

RemoteFree

JooVoice

com.joovoice/joovoice

Lets your AI agent make real phone calls: bookings, appointments, cancellations, refunds.

RemoteAccount needed