What is simplefunctions?

simplefunctions is an MCP (Model Context Protocol) server by spfunctions in the Autonomous Agents category. Calibrated world model for AI agents. 40 tools: world state, markets, trading. Kalshi + Polymarket.

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

simplefunctions is a remote MCP server — add its endpoint (https://simplefunctions.dev/api/mcp/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 simplefunctions open source?

Yes — the source code is public at github.com/spfunctions/simplefunctions-cli, with 10 GitHub stars.

Can AI agents pay to use simplefunctions?

Not yet through Loomal — simplefunctions 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.

simplefunctions

MCP server by github.com/spfunctions/simplefunctions-cli

Calibrated world model for AI agents. 40 tools: world state, markets, trading. Kalshi + Polymarket.

10 starsnpm: @spfunctions/cliRemote-capable

About simplefunctions

simplefunctions is an MCP (Model Context Protocol) server published by spfunctions in the official MCP registry, listed under Autonomous Agents on Loomal. Calibrated world model for AI agents. 40 tools: world state, markets, trading. Kalshi + Polymarket.

simplefunctions runs as a hosted remote over streamable-http — MCP clients connect directly to its endpoint, with nothing to install locally. It also ships as an npm package (@spfunctions/cli), so any MCP client that can launch a local process can run it.

Development happens in the open at github.com/spfunctions/simplefunctions-cli, where the project has earned 10 GitHub stars.

Use simplefunctions with your agent

Claude Code · one command

claude mcp add --transport http simplefunctions https://simplefunctions.dev/api/mcp/mcp

Claude Desktop, Cursor & other MCP clients · config

{
  "mcpServers": {
    "simplefunctions": {
      "url": "https://simplefunctions.dev/api/mcp/mcp"
    }
  }
}

streamable-httphttps://simplefunctions.dev/api/mcp/mcp

npm@spfunctions/cli

Frequently asked questions

What is simplefunctions?: simplefunctions is an MCP (Model Context Protocol) server by spfunctions in the Autonomous Agents category. Calibrated world model for AI agents. 40 tools: world state, markets, trading. Kalshi + Polymarket.
How do I connect simplefunctions to Claude, Cursor, or another MCP client?: simplefunctions is a remote MCP server — add its endpoint (https://simplefunctions.dev/api/mcp/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 simplefunctions open source?: Yes — the source code is public at github.com/spfunctions/simplefunctions-cli, with 10 GitHub stars.
Can AI agents pay to use simplefunctions?: Not yet through Loomal — simplefunctions 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.

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Listing data from the official MCP registry and GitHub, refreshed periodically. Not affiliated with the maintainer unless claimed. Maintain simplefunctions? Claim this listing free by verifying GitHub ownership, or contact us.