Jgb Yields

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Japan government bond (JGB) yield curve MCP. Keyless.

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Tools

jgb_yield_curve

Japan government bond (JGB) yield curve for one day: all 15 benchmark tenors (1Y-10Y, 15Y, 20Y, 25Y, 30Y, 40Y) in percent, from the Ministry of Finance Japan. Omit date for the latest business day. A

No parameters required.

▶Try it
jgb_yield_history

History of one JGB yield tenor (e.g. 10Y, 30Y) over a date range, oldest first, in percent, from the Ministry of Finance Japan. Daily back to 1974 (long tenors from their first issuance). Default rang

No parameters required.

▶Try it

Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash
curl -X POST https://gateway.pipeworx.io/jgb-yields/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash
curl -X POST https://gateway.pipeworx.io/jgb-yields/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"jgb_yield_curve","arguments":{}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("jgb_yield_curve", {});
ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("japan government bond (jgb) yield curve mcp");