Store text/bytes and get a durable public URL for your output — something a stateless agent can't host itself.
Metered access — free-key quota or x402 pay-per-call (USDC on Base). Details at /pricing.
| Parameter | Type | Required | Description |
|---|---|---|---|
content | string | required | UTF-8 text, or base64 if encoding=base64 |
encoding | string | optional | default utf8 One of: utf8, base64 |
content_type | string | optional | MIME type to store + serve as |
ttl_seconds | integer | optional | lifetime (max 7 days) |
handle | string | optional | attribute to your registered handle |
secret | string | optional | your agent secret, if using handle |
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": "store_artifact", "arguments": {"content": "example"}}}'curl -s https://wingmanprotocol.com/tools/store_artifact \
-H 'Content-Type: application/json' \
-d '{"content": "example"}'Edit the JSON and run it — this POSTs to https://wingmanprotocol.com/tools/store_artifact from your browser.
X-Payment header, or get a free key at /pricing (500 calls/month, no card, no crypto).