io.github.CarbonCashmere/x402-mcp
177 crypto market intel endpoints with auto x402 USDC micropayments from your AI agent
MCP server · by CarbonCashmere
About
io.github.CarbonCashmere/x402-mcp is an MCP server published by CarbonCashmere. Marketplaces we read that list it: 1 (Official MCP Registry). We first saw it on 2026-10-11 and have recorded no change since. As of our marketplace pass on 2026-10-12.
What it asks for
- Runs on your machine
- Secrets: 2
- Settings: 3
Requires: EVM_PRIVATE_KEY (secret), SVM_PRIVATE_KEY (secret)
What it declares, asks for and runs, in full
Only install plugins from developers you trust. We list what marketplaces publish and do not test plugins.
Package
npm @carbon-cashmere/x402-mcp (@carbon-cashmere/x402-mcp on npm)
- npm downloads/week: 56 (2026-10-12)
- npm downloads/month: 264 (2026-10-12)
- Latest version on npm: 0.2.2, published 2026-05-20
npm facts come from the public npm registry (registry.npmjs.org, api.npmjs.org). Each figure is the registry's own and is never added to another. A registry that publishes no figure shows none: no number is not zero.
Works with
- Claude Code
- Codex
- Cursor
- VS Code
- Copilot CLI
From the marketplaces that list it and the MCP transport it declares, as each client documents them. We do not test plugins.
Connect
Commands and configs built only from what its marketplaces declare. We do not run them for you and do not test plugins.
As a local MCP server: npm package
Built from what Official MCP Registry declares.
claude mcp add --env "EVM_PRIVATE_KEY=<YOUR_EVM_PRIVATE_KEY>" --env "SVM_PRIVATE_KEY=<YOUR_SVM_PRIVATE_KEY>" --transport stdio x402-mcp -- npx -y @carbon-cashmere/x402-mcp[mcp_servers.x402-mcp]
command = "npx"
args = ["-y", "@carbon-cashmere/x402-mcp"]
[mcp_servers.x402-mcp.env]
EVM_PRIVATE_KEY = "<YOUR_EVM_PRIVATE_KEY>"
SVM_PRIVATE_KEY = "<YOUR_SVM_PRIVATE_KEY>"{
"mcpServers": {
"x402-mcp": {
"command": "npx",
"args": [
"-y",
"@carbon-cashmere/x402-mcp"
],
"env": {
"EVM_PRIVATE_KEY": "<YOUR_EVM_PRIVATE_KEY>",
"SVM_PRIVATE_KEY": "<YOUR_SVM_PRIVATE_KEY>"
}
}
}
}Replace the values in angle brackets with your own. We show the names of the settings, never values.
Optional settings it also lists: X402_TOOL_LIMIT.
We do not store launch arguments. If the server needs any, its own documentation names them.
Where it is published
| Marketplace | Status | Version | Figures | Verified | First seen |
|---|---|---|---|---|---|
| Official MCP Registry (Open the registry record) | Listed | 0.2.2 | Downloads/month (npm): 264 Downloads/week (npm): 56 Forks (GitHub): 0 Stars (GitHub): 0 |
Not marked |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
What changed
Nothing has moved on this plugin since we started watching it.
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