com.spillmark/spillmark

up checked 2026-11-11T02:37:39.559Z

Unclaimed · Unverified

Publisher-provided title

Spillmark

Publisher-provided description

Read-only Amazon profit, fee, ACoS, and geo-holdout MCP tools for Claude, ChatGPT, and agents.

Summary by lookupd

Lets an agent list and run Amazon and Meta ads calculators for profit, fees, ACoS, and holdout test sizing, plus explain the method.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http spillmark https://spillmark.com/mcp

Codex, remote (streamable-http)

codex mcp add spillmark --url https://spillmark.com/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "spillmark": {
      "url": "https://spillmark.com/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

list_calculators Spillmark's free Amazon and Meta ads calculators (holdout test size, brand-size MDE, geo holdout states, ad waste, Meta ROAS reality check, incremental ROAS, br
run_calculator Runs one calculator from list_calculators on your numbers and returns the headline result, the supporting figures, a one-sentence reading, and a link that opens
how_lift_is_calculated Spillmark's method in brief: how a geo holdout test measures the sales Meta ads cause on Amazon, with links to the full method and a sample report on made-up nu

Shows this live status and links here; updates hourly.

[![lookupd status](https://lookupd.com/badge/com.spillmark/spillmark.svg)](https://lookupd.com/servers/com.spillmark/spillmark)