PayStage for Claude.ai

io.github.base-buzz/mcp

Umbrella MCP: payment preflight, auth watch, HIP-3 trade preflight, velocity checks

client:Claude.ai transport:streamable-http runtime:npm tools:9

Install PayStage in Claude.ai

Settings → Connectors → Add custom connector

https://api.paystage.xyz/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

evaluate_mcp_payment
list_outstanding_auths
evaluate_outstanding_auths
evaluate_hip3_trade
evaluate_velocity
verify_receipt
decode_payment_required
validate_policy
evaluate_batch

PayStage in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

PayStage MCP server