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8 clients · secrets stay placeholders

JSON (mcpServers)Claude CodeCodexOpenCodeCursorVS CodeGemini CLIGoose

{
  "mcpServers": {
    "x402-mcp": {
      "type": "http",
      "url": "https://x402-mcp.onrender.com/mcp/mcp"
    }
  }
}

claude mcp add --transport http x402-mcp https://x402-mcp.onrender.com/mcp/mcp

[mcp_servers.x402-mcp]
url = "https://x402-mcp.onrender.com/mcp/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "x402-mcp": {
      "type": "remote",
      "url": "https://x402-mcp.onrender.com/mcp/mcp",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "x402-mcp": {
      "type": "http",
      "url": "https://x402-mcp.onrender.com/mcp/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=x402-mcp&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8veDQwMi1tY3Aub25yZW5kZXIuY29tL21jcC9tY3AifQ%3D%3D"
}

{
  "servers": {
    "x402-mcp": {
      "type": "http",
      "url": "https://x402-mcp.onrender.com/mcp/mcp"
    }
  }
}

{
  "mcpServers": {
    "x402-mcp": {
      "httpUrl": "https://x402-mcp.onrender.com/mcp/mcp"
    }
  }
}

extensions:
  "x402-mcp":
    enabled: true
    name: "x402-mcp"
    type: streamable_http
    uri: "https://x402-mcp.onrender.com/mcp/mcp"
    timeout: 300

Quality 75 / 100good

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
n/a
protocol.statelessonly applies to 2026-07-28 servers
pass
protocol.transportstreamable HTTP
n/a
protocol.list_ttlonly applies to 2026-07-28 servers

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene100 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations20 of 20 tools declare readOnlyHint or destructiveHint
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
pass
tools.token_costabout 4,289 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stability25 · weight 15

warn
stability.changes6 tool changes in 30 days
fail
stability.rug_pull2 tools kept their name but changed most of their description in 30 days; review before trusting them

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

20 tools, about 4,289 tokens to load them all · tool set 7dfa0b6e5eaa · tools last changed 2026-10-18 · checked 2026-10-19 19:01 UTC

Tool changes

2026-10-18commerce.purchase_creditschangeddescription, input schema
before
Verify an x402 payment and add per-use tool credits to the agent. Call after commerce.credits_requirements and a completed USDC payment.
after · 55% of words in common
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']. Legacy: PAYMENT-SIGNATURE + PAYMENT-REQUIRED after commerce.credits_requirements.
2026-10-18commerce.activate_prochangeddescription, input schemameaning changed
before
Verify a Pro-tier x402 payment and unlock Pro quota limits for the agent. Call after commerce.pro_requirements and a completed USDC payment.
after · 47% of words in common
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 retry with _meta['x402/payment'] (@x402/mcp client). Legacy: pass PAYMENT-SIGNATURE + PAYMENT-REQUIRED after commerce.pro_requirements.
2026-10-17city.checkchangeddescription, output schemameaning changed
before
Run a paid US city property compliance check via x402 on the same HTTP resource buyers use. Prefer city.sample first. Settles USDC when EVM_PRIVATE_KEY is set; otherwise returns a 402 probe. Price: $0.01 per call (x402, USDC on Base/Solana/Arbitrum).
after · 41% of words in common
Paid US city property compliance check (MCP seller x402). Unpaid calls return PaymentRequired with accepts; pay via _meta['x402/payment']. Prefer city.sample first. Price: $0.01 per call (x402, USDC on Base/Solana/Arbitrum).
2026-09-30a2a.resolve_cardadded
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 a2a-x402 and AP2 payment extensions, and extracts callable skills with pricing.
2026-09-30city.checkchangedoutput schema
2026-09-30city.checkchangedoutput schema

Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 97 / 100

provenance90

liveness100

freshness100

hygiene100

+repository +namespace-matches-repo +website +reachable +uptime-100% +updated-2d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://x402-mcp.onrender.com/mcp/mcp` streamable-http	none	yes	100%	403 ms	2025-11-25	2026-10-19

Tools (20)

`a2a.resolve_card`read-only	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 a2a-x402 and AP2 payment extensions, and extracts callable skills with pricing.
`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 first. Price: $0.01 per call (x402, USDC on Base/Solana/Arbitrum).
`city.list`read-only	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`read-only	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.
`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 retry with _meta['x402/payment'] (@x402/mcp client). Legacy: pass PAYMENT-SIGNATURE + PAYMENT-REQUIRED after commerce.pro_requirements.
`commerce.credits_requirements`read-only	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.pro_requirements`read-only	Build x402 payment requirements to purchase the Pro quota tier. Next: pay those terms, then commerce.activate_pro 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']. Legacy: PAYMENT-SIGNATURE + PAYMENT-REQUIRED after commerce.credits_requirements.
`ops.metrics`read-only	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 top memory processes.
`pulse.base`read-only	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 vs hold recommendation.
`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 intended.
`swarm.revenue`read-only	Get swarm composite economics: spend, composite sales, LTV:CAC, margins, per-source scores. total_revenue_usdc is swarm listings only; storefront.revenue_usdc is the full settled ledger. Call after swarm.research or swarm.settle to inspect realized economics.
`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.
`x402.agent_card`read-only	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.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.discover`read-only	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.networks`read-only	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.
`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.probe`read-only	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.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.

Schemas: list_tools.

Similar MCP servers

More from io.github.kwizzlesurp10-ctrl

Official server.json

{
  "name": "io.github.kwizzlesurp10-ctrl/x402-mcp",
  "title": "x402 Micropayments MCP",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://x402-mcp.onrender.com/mcp/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.30.0",
  "repository": {
    "url": "https://github.com/kwizzlesurp10-ctrl/x402-mcp",
    "source": "github"
  },
  "websiteUrl": "https://x402-mcp.onrender.com",
  "description": "Pay-per-call US city property compliance and Base tx checks, paid in USDC on Base via x402."
}