Nist Beacon
live UtilityNIST Randomness Beacon MCP.
5 tools
0ms auth
free tier 50 calls/day
Tools
last_pulse Most recent pulse.
No parameters required.
Try it
Response
pulse_at Pulse at UTC time (epoch ms).
No parameters required.
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Response
pulse_by_chain_pulse Pulse by chain + pulse index.
No parameters required.
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Response
latest_in_chain Latest pulse in chain.
No parameters required.
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Response
chain_info Chain metadata.
No parameters required.
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Response
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/nist-beacon/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/nist-beacon/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"last_pulse","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("last_pulse", {}); ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("nist randomness beacon mcp");