Yesterdays Number

About Yesterdays Number

Use Yesterdays Number with your agent

claude mcp add --transport http yesterdays-number https://gateway.pipeworx.io/yesterdays-number/mcp

{
  "mcpServers": {
    "yesterdays-number": {
      "url": "https://gateway.pipeworx.io/yesterdays-number/mcp"
    }
  }
}

Frequently asked questions

What is Yesterdays Number?

Yesterdays Number is an MCP (Model Context Protocol) server by pipeworx-io. yesterdays-number MCP — wraps StupidAPIs (requires X-API-Key)

How do I connect Yesterdays Number to Claude, Cursor, or another MCP client?

Yesterdays Number is a remote MCP server — add its endpoint (https://gateway.pipeworx.io/yesterdays-number/mcp) to your client's MCP configuration (for example with "claude mcp add", or under "mcpServers" in Cursor's mcp.json) and restart the client.

Is Yesterdays Number open source?

Yes — the source code is public at github.com/pipeworx-io/mcp-yesterdays-number.

Can AI agents pay to use Yesterdays Number?

Not yet through Loomal — Yesterdays Number is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.