MCP Server — daedalus/mcp-oeis

MCP server for the OEIS (Online Encyclopedia of Integer Sequences) API

Local serverstdioPython

What is the MCP Server?

MCP server for the OEIS (Online Encyclopedia of Integer Sequences) API

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Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
get_sequence_by_idGet a sequence by its OEIS ID (e.g., "A000109" for simplicial polyhedra, "A000045" for Fibonacci).
search_by_termsSearch OEIS sequences by providing integer terms. For example, searching [1,1,2,3,5,8] will find the Fibonacci sequence.
search_by_nameSearch OEIS sequences by name or keyword. For example, searching "Fibonacci" will find Fibonacci-related sequences.

How to install the MCP Server

{
  "mcpServers": {
    "oeis": {
      "command": "uvx",
      "args": ["mcp-oeis"]
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Example prompts to try

  • “Use MCP to get sequence by id.”
  • “Use MCP to search by terms.”
  • “Use MCP to search by name.”

Frequently asked questions

MCP server for the OEIS (Online Encyclopedia of Integer Sequences) API Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.