Money-Engine x402 Research

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Free agent discovery + paid x402 research (outline 0.01 / brief 0.02 USDC Base).

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "Money-Engine x402 Research": {
      "url": "https://x402.devvizion.com/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (6)

• x402_health

  Free liveness + pricing for the money-engine Research API (x402 USDC on Base). Ladder: free sample_outline → outline 0.01 → brief 0.02.

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• x402_discovery

  Free x402 discovery document (resources, prices, payTo, facilitator, convertLadder).

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• x402_sample_outline

  FREE research teaser (3 bullets). Convert ladder: this tool → paid x402_research_outline 0.01 USDC → x402_research_brief 0.02 USDC Base. Body {topic?} default x402.

  Parameters:

  • topic — string — Topic or https URL (default: x402)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• x402_sample_scrub

  Free sample data-scrub / leak-guard teaser (dirty→clean demo). Alt path — primary convert is x402_sample_outline → outline 0.01.

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• x402_research_outline

  Paid research outline (0.01 USDC Base · first pay). Free first: x402_sample_outline. Body {topic}. Without paymentHeader returns 402 + accepts[].

  Parameters:

  • topic (required) — string — Topic or https URL
  • paymentHeader — string — Optional X-PAYMENT proof after settling USDC

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• x402_research_brief

  Paid full research brief (0.02 USDC Base · upgrade). Free first: x402_sample_outline; optional outline 0.01 first. Body {topic}. Without paymentHeader returns 402 + accepts[].

  Parameters:

  • topic (required) — string — Topic or https URL
  • paymentHeader — string — Optional X-PAYMENT proof after settling USDC

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

Publisher website

Measured by MCPYP probing. Untested fields are omitted, never estimated. Listing is always free; MCPYP never proxies calls or stores user tokens.