Security & Testing

secondopinionx402.com

An MCP server for independent claim verification and fact-checking using reasoning and adversarial web research.

x402 supported1 endpoint6 known toolsFirst detected July 27, 2026Last detected August 6, 2026

ENDPOINT 1

https://secondopinionx402.com/mcp

No auth detected

MCP server metadata

Name: second-opinion
Version: 0.2.0

Capabilities

tools.listChanged

Known tools 6

second_opinion_quick

Independent reasoning-only check of a claim ($0.

Inferred read-only

second_opinion_verify

Independent adversarial verification with live web research ($0.

Inferred read-only

second_opinion_panel

Three independent adversarial verifiers attack the claim through different lenses (evidence, logic, currency) and vote ($0.

Inferred read-only

second_opinion_try

FREE TRIAL — no wallet, no payment, no account: the same quick reasoning-only check as second_opinion_quick, 3/day per caller (claims up to 500 chars; global daily cap applies).

Potential side effects

second_opinion_result

Fetch the verdict for a paid async job — polling is FREE and the verdict is already paid for.

Inferred read-only

second_opinion_pricing

FREE: current tiers, prices, and exact on-chain payment requirements (accepts) for every rail — Algorand, Base, Solana.

Potential side effects

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.second-opinion]
url = "https://secondopinionx402.com/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "second-opinion": {
      "type": "http",
      "url": "https://secondopinionx402.com/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: second-opinion
Remote MCP URL: https://secondopinionx402.com/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "second-opinion": {
      "url": "https://secondopinionx402.com/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "second-opinion": {
      "type": "http",
      "url": "https://secondopinionx402.com/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "second-opinion",
  "transport": "streamable-http",
  "url": "https://secondopinionx402.com/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Trust Data Available

BuiltWith Trust API v2 evidence for secondopinionx402.com was fetched 2026-07-31T09:37:40.557Z.

Trust status Neutral

secondopinionx402.com is assessed as Neutral: No suspicious signals found, but no strong positive signal either

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.