io.github.agentc22/x402engine-mcp
Quality Score
81
/100
50+ pay-per-call APIs for AI agents — images, LLM, code, crypto, travel & more via x402
§01 Install
Claude Desktop (claude_desktop_config.json)
{
"mcpServers": {
"x402engine-mcp": {
"command": "npx",
"args": [
"-y",
"x402engine-mcp"
],
"env": {
"X402_BASE_URL": "<x402_base_url>",
"X402_DEV_BYPASS": "<your-x402_dev_bypass>",
"X402_PAYMENT_HEADER": "<your-x402_payment_header>"
}
}
}
}Cursor (.cursor/mcp.json)
{
"mcpServers": {
"x402engine-mcp": {
"command": "npx",
"args": [
"-y",
"x402engine-mcp"
],
"env": {
"X402_BASE_URL": "<x402_base_url>",
"X402_DEV_BYPASS": "<your-x402_dev_bypass>",
"X402_PAYMENT_HEADER": "<your-x402_payment_header>"
}
}
}
}Cline (cline_mcp_settings.json)
npx -y x402engine-mcp§02 Environment variables
X402_BASE_URLGateway URL (default: https://x402engine.app)
X402_DEV_BYPASSsecret
Dev bypass secret to skip payments during testing
X402_PAYMENT_HEADERsecret
Pre-signed x402 payment header for automatic payment
§03 MCP Quality Score · methodology
freshness
21
completeness
10
installability
25
documentation
15
stability
10
§04 Alternatives in AI & LLMs
OpenAI Tools MCP Server
ai.com.mcp/openai-tools
Focused MCP server for OpenAI image/audio generation (v2.0.0). Wraps endpoints via HAPI CLI.
ai.llmse/mcp
ai.llmse/mcp
Public MCP server for the LLM Search Engine
Perplexity API Platform
ai.perplexity/mcp-server
Real-time web search, reasoning, and research through Perplexity's API