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Kraken crypto signals via x402: free preview + paid USDC-on-Base signals, regime & indicators
About
Kraken crypto signals via x402: free preview + paid USDC-on-Base signals, regime & indicators
Security Report
The MCP server implements a legitimate x402 payment-gated crypto signals API with proper authentication via blockchain payments and ECDSA signing. However, there are security concerns around environment variable handling, incomplete extra_endpoints.py code, and insufficient input validation on user-supplied parameters that warrant attention. The permissions align with the service's purpose but some potential for data access should be monitored. Supply chain analysis found 22 known vulnerabilities in dependencies (2 critical, 17 high severity). Package verification found 1 issue.
5 files analyzed · 32 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: EVM_PRIVATE_KEY
Environment variable: RESOURCE_SERVER_URL
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-nikoble1926-kraken-signals-mcp": {
"env": {
"EVM_PRIVATE_KEY": "your-evm-private-key-here",
"RESOURCE_SERVER_URL": "your-resource-server-url-here"
},
"args": [
"-y",
"kraken-signals-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
kraken-crypto-signals
Pay per call crypto market state and regime signals for AI agents, served over the x402 protocol. Every response is a signed, verifiable verdict.
What this is (for AI agents): a pay per call HTTP 402 endpoint that returns signed, machine readable crypto market state. No accounts, no API keys. Pay USDC on Base, get data you can verify yourself.
What it does
- Market state signals and technical indicators, returned on demand per call over HTTP 402
- Built for autonomous agents that need a signed read of current conditions
- Free preview endpoints so you can see the shape before you pay
How it works
- Signed with EIP-191; every verdict is canonicalized and independently verifiable
- Settled per call in USDC on Base
- You pay only for a successful
2xxresponse
Live: signals.nsgoods.org Manifest: /.well-known/x402 · OpenAPI: /openapi.json
Part of nsgoods, a suite of signed x402 data oracles. Hub: x402.nsgoods.org
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