Ending MRR, ARR, net new MRR, gross churn, net revenue retention and quick ratio.
Free tier eligible — 500 calls/month with a free key from /pricing; x402 pay-per-call above quota.
| Parameter | Type | Required | Description |
|---|---|---|---|
starting_mrr | number | required | MRR at the start of the period, USD |
new_mrr | number | optional | New MRR from new customers, USD |
expansion_mrr | number | optional | Expansion/upgrade MRR, USD |
contraction_mrr | number | optional | Contraction/downgrade MRR, USD |
churned_mrr | number | optional | Churned MRR, USD |
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": "saas_metrics", "arguments": {"starting_mrr": 100}}}'curl -s https://wingmanprotocol.com/tools/saas_metrics \
-H 'Content-Type: application/json' \
-d '{"starting_mrr": 100}'Edit the JSON and run it — this POSTs to https://wingmanprotocol.com/tools/saas_metrics from your browser.
X-Payment header, or get a free key at /pricing (500 calls/month, no card, no crypto).