Butterfly Delta Preflight
Signed exact-order pre-submit gate for crypto bots using live Coinbase and Gemini execution data.
Connect it
Settings → Connectors → Add custom connector
URL: https://butterflydelta.com/api/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://butterflydelta.com/api/mcp{
"mcpServers": {
"preflight": {
"url": "https://butterflydelta.com/api/mcp"
}
}
}claude mcp add --transport http preflight https://butterflydelta.com/api/mcp{
"servers": {
"preflight": {
"type": "http",
"url": "https://butterflydelta.com/api/mcp"
}
}
}2 tools, verified live
delta_peekFree. Check whether a USD spot pair is covered and inspect the exact $0.01 Base USDC preflight price before paying.
delta_preflightPaid via x402 or MPP: $0.01 USDC on Base. Send the exact order venue, side, and size immediately before submission to obtain a signed PASS, BLOCK, or UNKNOWN from live availability, spread, freshness, depth, slippage, and divergence checks. Fail closed on BLOCK or UNKNOWN.
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