MCP ServerSTDIOOfficialv0.5.4

pop-pay MCP Server

Stop AI agents leaking your card or making hallucinated purchases. No SaaS, no login, fully local.

io.github.100xPercent/pop-pay

Hosted URL

https://github.com/100xPercent/pop-pay

Transport

STDIO

Auth

No auth required

Connect to pop-pay

Hosted endpoint — paste into any MCP client.

https://github.com/100xPercent/pop-pay

Environment variables

Configuration this server reads at startup.

  • POP_CDP_URL

    Chrome DevTools Protocol endpoint for credential injection (default: http://localhost:9222)

  • POP_ALLOWED_CATEGORIES

    JSON array of allowed vendor categories (e.g. '["aws","cloudflare"]')

  • POP_MAX_PER_TX

    Per-transaction spending limit in USD

  • POP_MAX_DAILY

    Daily spending limit in USD

  • POP_GUARDRAIL_ENGINE

    Guardrail engine: 'keyword' (offline, default) or 'llm' (requires API key)

Resources

Where to find authoritative docs and source for pop-pay.

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