MCP server

Butterfly Delta Preflight Official

com.butterflydelta/preflight

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Signed exact-order pre-submit gate for crypto bots using live Coinbase and Gemini execution data.

Website

At a glance

Type

MCP server

Publisher

butterflydelta.com (verified by the MCP Registry)

Status

Working at last check

Tools

2

Token cost

About 829 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http preflight https://butterflydelta.com/api/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.preflight]
url = "https://butterflydelta.com/api/mcp"

Gemini CLI

{"mcpServers":{"preflight":{"httpUrl":"https://butterflydelta.com/api/mcp"}}}

Cursor

{"mcpServers":{"preflight":{"url":"https://butterflydelta.com/api/mcp"}}}

VS Code

{"servers":{"preflight":{"type":"http","url":"https://butterflydelta.com/api/mcp"}}}

Antigravity

agy mcp add preflight https://butterflydelta.com/api/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"preflight","server_url":"https://butterflydelta.com/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"preflight","server_url":"https://butterflydelta.com/api/mcp"}

Tools

• delta_peek ~391 tokens
  Free. Check whether a USD spot pair is covered and inspect the exact $0.01 Base USDC preflight price before paying.
• delta_preflight ~438 tokens
  Paid 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.

Browse

• Calling other AI models
• Crypto and blockchains

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Badge for your README

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