API Tools

velliumandco.com

An MCP server that discovers and verifies paid x402 data services and sellers for AI agents, with category listings and website agent-compatibility checks.

1 endpoint8 known toolsFirst detected October 12, 2026Last detected October 12, 2026

ENDPOINT 1

https://velliumandco.com/mcp

No auth detected

MCP server metadata

Name: vellium-lab
Version: 1.0.0

Capabilities

tools

Server instructions

Check paid x402 sellers and shopping/travel websites before your agent spends. Start with list_categories or check_website.

Known tools 8

search_sellers

Find paid x402 data services AI agents can buy, inside one category, ranked.

Inferred read-only

check_seller

Our latest independent check of one paid seller, by its address (any spelling) or id: answering, price, buyers, and its paid answers checked against an independent record (with proof).

Inferred read-only

sellers_on_domain

Every paid seller we check on one host.

Inferred read-only

list_categories

Every category of paid service agents buy, with sellers, buyers and how we check it; names in your language with lang.

Inferred read-only

check_website

Can AI agents use this shopping or travel website?

Inferred read-only

batch

Check up to 25 sellers and 25 websites in one call (cheapest for many checks).

Inferred read-only

changes

What changed since a day — keep a local copy in sync.

Inferred read-only

list_websites

Rated websites, filtered by market (e.

Inferred read-only

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.vellium-lab]
url = "https://velliumandco.com/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "vellium-lab": {
      "type": "http",
      "url": "https://velliumandco.com/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: vellium-lab
Remote MCP URL: https://velliumandco.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": {
    "vellium-lab": {
      "url": "https://velliumandco.com/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "vellium-lab": {
      "type": "http",
      "url": "https://velliumandco.com/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "vellium-lab",
  "transport": "streamable-http",
  "url": "https://velliumandco.com/mcp"
}

MCP Inspector

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

TRUST AND VERIFICATION EVIDENCE

Loading Trust v2 evidence…

Checking the associated registrable domain. The BuiltWith key remains server-side.

Indexed

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