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

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

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

Surface is listed as freemium — a free tier with paid plans. Auth: api key required. 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. 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 Surface and MCP x402 – Evidence Backed Web Verification at the same time in my AI client?

Yes. MCP clients support multiple servers: add surface and mcp-x402-evidence-backed-web-verification 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, Surface has a quality signal of 74/100 (Great) with 1 views, 0 installs and 0 GitHub stars. MCP x402 – Evidence Backed Web Verification has 74/100 (Great) with 4 views, 0 installs and 0 GitHub stars.

Surface vs MCP x402 – Evidence Backed Web Verification

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

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

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

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

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

Surface vs MCP x402 – Evidence Backed Web Verification

Which MCP server should you choose?

S
Choose Surface when

Choose MCP x402 – Evidence Backed Web Verification when

Feature & specification comparison

Tools & capabilities

Surface tools

MCP x402 – Evidence Backed Web Verification tools

Ready-to-paste client configs

Surface

MCP x402 – Evidence Backed Web Verification

Frequently asked questions

SChoose Surface when