Seeded Dice-Notation Roller

Roll tabletop dice notation ('2d6+3') deterministically from a required seed (sha256-derived, reproducible on any Python version) -- not wall-clock randomness.

Free tier eligible — 500 calls/month with a free key from /pricing; x402 pay-per-call above quota.

Parameters

Parameter	Type	Required	Description
`notation`	string	required	Dice notation, e.g. '2d6+3', '1d20', 'd8-1'
`seed`	integer \| string	required	Seed for deterministic rolls (any integer or string)

Call it over MCP (JSON-RPC 2.0)

curl -s https://wingmanprotocol.com/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": {"name": "dice_notation_roll", "arguments": {"notation": "example", "seed": 10}}}'

Or plain HTTP

curl -s https://wingmanprotocol.com/tools/dice_notation_roll \
  -H 'Content-Type: application/json' \
  -d '{"notation": "example", "seed": 10}'

Try it live

Edit the JSON and run it — this POSTs to https://wingmanprotocol.com/tools/dice_notation_roll from your browser.

This tool is x402-metered — agents pay per call with USDC on Base. The 402 response below is the standard x402 payment-requirements envelope: sign the EIP-3009 authorization and retry with the X-Payment header, or get a free key at /pricing (500 calls/month, no card, no crypto).