x402 Micropayments MCP

Name: x402 Micropayments MCP
Author: kwizzlesurp10-ctrl

MCP serverMCP

Pay-per-call US city property compliance and Base tx checks, paid in USDC on Base via x402.

by kwizzlesurp10-ctrlrepository ↗homepage ↗v1.30.0

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30-day availability108/108 checks ok

when	check	result	http	latency	detail
5 h ago	mcp initialize	ok	200	244 ms	server x402-micropayments 1.30.0 · protocol 2025-06-18 · 20 tools
11 h ago	mcp initialize	ok	200	199 ms	server x402-micropayments 1.30.0 · protocol 2025-06-18 · 20 tools
18 h ago	mcp initialize	ok	200	273 ms	server x402-micropayments 1.30.0 · protocol 2025-06-18 · 20 tools
24 h ago	mcp initialize	ok	200	501 ms	server x402-micropayments 1.30.0 · protocol 2025-06-18 · 20 tools
31 h ago	mcp initialize	ok	200	229 ms	server x402-micropayments 1.30.0 · protocol 2025-06-18 · 20 tools
2 d ago	mcp initialize	ok	200	257 ms	server x402-micropayments 1.30.0 · protocol 2025-06-18 · 20 tools
2 d ago	mcp initialize	ok	200	232 ms	server x402-micropayments 1.30.0 · protocol 2025-06-18 · 20 tools
2 d ago	mcp initialize	ok	200	213 ms	server x402-micropayments 1.30.0 · protocol 2025-06-18 · 20 tools
3 d ago	mcp initialize	ok	200	546 ms	server x402-micropayments 1.30.0 · protocol 2025-06-18 · 20 tools
3 d ago	mcp initialize	ok	200	536 ms	server x402-micropayments 1.30.0 · protocol 2025-06-18 · 20 tools

Tools observed via MCP handshake

x402.agent_card — Return the A2A Protocol v1.0 Agent ID Card and MCP server card. Optional target_id filters to a skill id, name, or tag.
x402.discover — Discover paid HTTP APIs in the x402 Bazaar via the facilitator catalog. Call this first to find a resource URL, then x402.probe and x402.pay_and_fetch.
x402.probe — Probe a URL for HTTP 402 PAYMENT-REQUIRED terms using the x402 client SDK. Use before x402.pay_and_fetch to inspect price, network, and payTo without spending.
x402.pay_and_fetch — Pay USDC via x402 and fetch a protected HTTP resource in one call. Requires EVM_PRIVATE_KEY on this host; otherwise use x402.probe for a no-spend 402.
x402.build_seller — Build seller-side x402 payment requirements for your own HTTP resource. Pass resource_url plus discovery_* fields to catalog the endpoint in Bazaar.
x402.verify — Verify an x402 PAYMENT-SIGNATURE against PAYMENT-REQUIRED terms via the facilitator. Call after a buyer presents a signature and before releasing paid content.
x402.networks — List supported settlement networks, facilitators, and x402 v2 header names. Call when choosing a preferred_network for x402.pay_and_fetch or x402.build_seller.
commerce.pro_requirements — Build x402 payment requirements to purchase the Pro quota tier. Next: pay those terms, then commerce.activate_pro with the signature.
commerce.activate_pro — Verify a Pro-tier x402 payment and unlock Pro quota limits for the agent. MCP-native: call without payment to receive x402 requirements in the tool result, then
commerce.credits_requirements — Build x402 payment requirements to buy a pack of per-use MCP tool credits. Next: pay those terms, then commerce.purchase_credits with the signature.
commerce.purchase_credits — Verify an x402 payment and add per-use tool credits to the agent. MCP-native: call without payment for x402 requirements, then retry with _meta['x402/payment'].
swarm.research — Run the swarm agency: compose a research product from free inputs and list it for resale. Pass allow_paid_inputs=true only when buying upstream x402 services is
swarm.settle — Verify and settle a buyer's x402 payment for a listed composite product and record revenue. Call with product_id plus PAYMENT-SIGNATURE after the buyer pays.
swarm.revenue — Get swarm composite economics: spend, composite sales, LTV:CAC, margins, per-source scores. total_revenue_usdc is swarm listings only; storefront.revenue_usdc i
pulse.base — Get live Base Network Pulse: base fee, EIP-1559 projection, utilization, USD settlement cost, verdict. Call before settling on Base when you need a settle-now v
ops.metrics — Get host OS telemetry: CPU, memory, swap, disk, network, and an ok/warn/critical health verdict. Call to diagnose this MCP host; set include_processes=true for
city.list — List US City Open-Data Compliance Network cities with paid_url, sample_url, and price. Call first, then city.sample, then city.check for the paid address lookup
city.sample — Get a free fixed-address property compliance sample for one US city code. Use before city.check to validate city_code and response shape without paying.
city.check — Paid US city property compliance check (MCP seller x402). Unpaid calls return PaymentRequired with accepts; pay via _meta['x402/payment']. Prefer city.sample fi
a2a.resolve_card — Discover and inspect an external Agent-to-Agent (A2A) node by domain or URL. Fetches .well-known/agent-card.json, validates protocol compatibility, checks for a

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Official MCP Registryio.github.kwizzlesurp10-ctrl/x402-mcp

first seen 2 mo ago · fetched 17 h agoopen ↗

Field history (11 recent events)

4 d ago · declared · name → "x402 Micropayments MCP"
4 d ago · declared · summary → "Pay-per-call US city property compliance and Base tx checks, paid in USDC on Base via x402."
4 d ago · declared · description → "Pay-per-call US city property compliance and Base tx checks, paid in USDC on Base via x402."
4 d ago · declared · version → "1.30.0"
2 mo ago · declared · repoUrl → "https://github.com/kwizzlesurp10-ctrl/x402-mcp"
2 mo ago · declared · summary → "Pay for HTTP APIs and charge for your own: x402 micropayments in USDC on Base."
2 mo ago · declared · protocols → ["mcp"]
2 mo ago · declared · version → "0.1.0"
2 mo ago · declared · description → "Pay for HTTP APIs and charge for your own: x402 micropayments in USDC on Base."
2 mo ago · declared · publisherName → "kwizzlesurp10-ctrl"
2 mo ago · declared · homepageUrl → "https://x402-mcp.onrender.com"

x402 Micropayments MCP

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