What is the main functional difference between MCP x402 – Evidence Backed Web Verification and Surface?

MCP x402 – Evidence Backed Web Verification is categorized under Search & Data Extraction and uses a remote HTTP/SSE transport. Surface belongs to Search & Data Extraction and uses a local stdio subprocess. Pick MCP x402 – Evidence Backed Web Verification for search & data extraction work and Surface for search & data extraction.

How do I install MCP x402 – Evidence Backed Web Verification or Surface in Claude Desktop, Cursor, or Windsurf?

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Are MCP x402 – Evidence Backed Web Verification and Surface free to use, or do they require API keys?

MCP x402 – Evidence Backed Web Verification is bring-your-own-key: usage is billed by the API provider you supply a key for. Auth: api key required. Surface is listed as freemium — a free tier with paid plans. Auth: api key required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Can I run both MCP x402 – Evidence Backed Web Verification and Surface at the same time in my AI client?

Yes. MCP clients support multiple servers: add mcp-x402-evidence-backed-web-verification and surface as separate keys in the same mcpServers object, and your assistant will call tools from either one.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, MCP x402 – Evidence Backed Web Verification has a quality signal of 74/100 (Great) with 4 views, 0 installs and 0 GitHub stars. Surface has 74/100 (Great) with 1 views, 0 installs and 0 GitHub stars.

MCP x402 – Evidence Backed Web Verification vs Surface

A side-by-side look at the MCP x402 – Evidence Backed Web Verification and Surface MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

MCP x402 – Evidence Backed Web VerificationSearch & Data Extraction · Remote HTTP/SSEEvidence-backed web verification for AI agents. Analyze public URLs and verify sellers, products, offers, policies, or claims against concrete conditions, with quoted evidence, source details, timestamps, hashes, and x402 pay-per-use payments on Base.74GreatAuth: api key required

SurfaceSearch & Data Extraction · Local subprocess (stdio)Remote MCP (streamable HTTP at https://nova-otter-delta-cloud.grok.me/mcp). Tool preflight_url unwraps short or unknown links (t.co, bit.ly, lnkd.in) before an agent fetches them and returns next: fetch or skip. No page body returned. Usage-priced: Preflight $0.25/1k, Inspect $0.20/1k.74GreatAuth: api key required

Verdict: choose MCP x402 – Evidence Backed Web Verification for search & data extraction work over a hosted endpoint; choose for search & data extraction as a local process. You can also run both side by side in one block.

Spec	MCP x402 – Evidence Backed Web Verification	S Surface
Category	Search & Data Extraction	Search & Data Extraction
Quality signal	74/100 · Great	74/100 · Great
Install command	Confirmed	Confirmed
Transport	Remote HTTP/SSE	Local subprocess (stdio)
Auth	API key required	API key required
Pricing	BYOK (pay the provider)	Freemium
Required env vars	`OPENAI_API_KEY`	`SURFACE_API_KEYSURFACE_BASE_URL`
Verified owner	Verified	Verified
GitHub stars	0	0
Directory activity	4 views 0 installs 0 upvotes	1 views 0 installs 0 upvotes
Tools	Not listed	Not listed
Full listing	View MCP x402 – Evidence Backed Web Verification	View Surface

MCP x402 – Evidence Backed Web Verification vs Surface

Which MCP server should you choose?

Choose MCP x402 – Evidence Backed Web Verification when

S
Choose Surface when

Feature & specification comparison

Tools & capabilities

MCP x402 – Evidence Backed Web Verification tools

Surface tools

Ready-to-paste client configs