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Add CardZero MCP - #12

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BlockRunAI:mainfrom
mrocker:add-cardzero-mcp
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Add CardZero MCP#12
mrocker wants to merge 1 commit into
BlockRunAI:mainfrom
mrocker:add-cardzero-mcp

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@mrocker

@mrocker mrocker commented May 8, 2026

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Adds cardzero-mcp to the Payments & Banking section, alongside Stripe / Qonto / Fewsats / x402.

What it is: Smart-contract wallet for AI agents on Base mainnet, USDC-denominated. Owner sets spending rules in a dashboard (per-tx limit, daily cap, address whitelist, freeze) and the agent transacts autonomously within them. Buyer-side x402 support is built in.

MCP surface: 10 tools covering wallet creation, balance, payments (direct + x402), and ERC-8183 escrow Jobs.

Following CONTRIBUTING.md:

Pricing label: Free (2% per tx) — using the Free base, since spawning a wallet and querying are free; only payment execution carries the 2% platform fee. Happy to relabel if maintainers prefer a different label.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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