Arkham MCP: blockchain intelligence in your AI app

Look up who's behind a wallet with Arkham's blockchain intelligence: entities, labels, balances, transfers, tokens and Polymarket. Arkham's own MCP server gives your AI app what you'd otherwise query through the Arkham API. Claude, ChatGPT and Cursor reach it through ContextGate, which records every address your team investigates.

  • Ready to connect
  • Free

Bring Arkham into Claude, ChatGPT or Cursor

  1. 1Click Connect Arkham free and sign in with your Arkham account.
  2. 2The full tool list appears after connecting, all on. Arkham's tools look things up, so keep the ones your investigations use and switch off the rest, such as Polymarket tools if they aren't relevant.
  3. 3Add ContextGate to your AI app as a connector or MCP server. The steps for each app are on the Works with page.
  4. 4Ask your AI app which entity a wallet address belongs to and what it transferred recently, then open Activity to see the Arkham calls.

Onchain investigations

  • Find the entity and labels attached to an address.
  • Check balances and token holdings.
  • Follow transfers between wallets.
  • Look up Polymarket data.

An investigation trail you can review

  • Activity keeps every Arkham lookup, so an investigation can be reviewed later.
  • Switch off any tool you don't need; it's hidden and refused if called.
  • A policy can block a seed phrase pasted into a prompt before it goes anywhere.

What you get with Arkham and ContextGate

  • Your AI apps can use ArkhamClaude, Cursor, ChatGPT and other AI apps reach Arkham through the one ContextGate connection you add to them.
  • You choose which tools they can useSwitch off any Arkham tool you don't want used. It's hidden from your AI apps and refused if called.
  • Every call is checked and recordedYour policies check each call (for example, personal data is hidden and secrets are blocked), and Activity keeps a record of it.

ContextGate sees only the tool calls that go through it, not your AI app's built-in tools or your chats.

Arkham tools

Arkham's own MCP server shows its tools once you sign in. When you connect it, they are listed and synced in your workspace.