invoice_preflight — DropEngine x402 Agent Services MCP Tool
invoice_preflight
(invoice preflight) is one of 20 tools on the
DropEngine x402 Agent Services
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call invoice_preflight from your client
- Claude Code DropEngine x402 Agent Services invoice_preflight run in your project directory
- Claude Desktop DropEngine x402 Agent Services invoice_preflight ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor DropEngine x402 Agent Services invoice_preflight ~/.cursor/mcp.json
- VS Code DropEngine x402 Agent Services invoice_preflight .vscode/mcp.json
- Zed DropEngine x402 Agent Services invoice_preflight ~/.config/zed/settings.json
- Windsurf DropEngine x402 Agent Services invoice_preflight ~/.codeium/windsurf/mcp_config.json
- Cline DropEngine x402 Agent Services invoice_preflight ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI DropEngine x402 Agent Services invoice_preflight ~/.gemini/settings.json
- Grok DropEngine x402 Agent Services invoice_preflight .mcp.json (in your project root)
- ChatGPT DropEngine x402 Agent Services invoice_preflight Settings → Connectors → Advanced → Developer mode
- Claude.ai DropEngine x402 Agent Services invoice_preflight Settings → Connectors → Add custom connector
- LangChain DropEngine x402 Agent Services invoice_preflight pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http x402-agent-services https://mcp.dropenginehq.com/api/agent-servicesOther tools on this server
- invoice_preflight_quote
- mcp_server_inspect
- check_url
- scan_content
- simulate_transaction
- check_wallet
- check_package
- route_tool
- get_live_quote
- extract_structured
- check_change
- verify_claim
- estimate_trade_execution
- analyze_whale_activity
- scan_arbitrage
- backtest_strategy
- token_security_audit
- invoice_preflight_10_pages
- invoice_preflight_50_pages
This list was read from the server itself, by connecting to it and calling tools/list on 28 September 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.