Line of Succession MCP Server

This is the MCP endpoint for Line of Succession. MCP clients should send JSON-RPC POST requests to:

POST /mcp

Supported methods

• initialize
• tools/list
• tools/call

Available tools

sovereign_on_date

Return the British sovereign on a given date.

Documentation

Looks up the reigning British sovereign for the supplied date.

Use this when answering questions such as “Who was sovereign on 6 February 1952?”

Input schema

{ "properties" : { "date" : { "description" : "Date in YYYY-MM-DD format.", "type" : "string" } }, "type" : "object", "required" : [ "date" ] }

line_of_succession

Return the line of succession on a given date.

Returns people in the line of succession.

If no date is supplied, the current line of succession is returned.

{ "properties" : { "limit" : { "type" : "integer", "description" : "Maximum number of successors to return.", "minimum" : 1, "maximum" : 100 }, "date" : { "type" : "string", "description" : "Optional date in YYYY-MM-DD format. Omit for the current line of succession." } }, "required" : [], "type" : "object" }

Welcome to the site.

Choose a date from the date-picker above or from the "interesting dates" menu to see the line of succession to the British throne on that date.

---

Get updates by email

Be the first to hear when new blog posts are published.

Subscribe on Substack

---

---