The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
X402engine MCP
50+ pay-per-call APIs for AI agents — images, LLM, code, crypto, travel & more via x402
Install
$
npx -y x402engine-mcpClaude Code
claude mcp add x402engine-mcp -- npx -y x402engine-mcpCursor / Claude Desktop (mcp.json)
{
"mcpServers": {
"x402engine-mcp": {
"command": "npx",
"args": [
"-y",
"x402engine-mcp"
]
}
}
}Install command taken from the project's README or registry entry. Always review code before running it.
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