Skip to content
mcp/harbor
Verified official

SpendPreflight MCP

v1.2.0-metadata.8 changelog · 13

io.github.spendpreflight/spendpreflight

Preflight x402 payments. Base ERC-8004 agent #1151628; wallet binding verified Nov 3, 2026.

transport:streamable-http tools:17
View source Website

Target client

run in your project directory 

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

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

preflight_payment

preflight payment

check_payee Read-only

check payee

lint_endpoint

lint endpoint

check_token Read-only

check token

payment_receipt

payment receipt

get_service_info Read-only

get service info

verify_payee_binding

verify payee binding

quote_check

quote check

listing_guard

listing guard

check_listing Read-only

check listing

security_check

security check

seller_index

seller index

domain_auth

domain auth

check_endpoint Read-only

check endpoint

wallet_statement

wallet statement

find_rv_stations Read-only

find rv stations

size_solar

size solar

All 17 tools, one page each

2 prompts you invoke yourself

3 resources you attach as context

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.