ISO 8601 Duration Parser

Parse an ISO 8601 duration literal (e.g. 'P1Y6M4DT12H30M5S') into years/months/weeks/days/hours/minutes/seconds, plus an exact total_seconds when no year/month is present.

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

Parameters

Parameter	Type	Required	Description
`duration`	string	required	ISO 8601 duration string, e.g. 'P3Y6M4DT12H30M5S'

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": "iso8601_duration_parse", "arguments": {"duration": "example"}}}'

Or plain HTTP

curl -s https://wingmanprotocol.com/tools/iso8601_duration_parse \
  -H 'Content-Type: application/json' \
  -d '{"duration": "example"}'

Try it live

Edit the JSON and run it — this POSTs to https://wingmanprotocol.com/tools/iso8601_duration_parse 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).