The Northline ChainKit MCP server,
connected in one click.
Pay-per-call Base & Arc onchain facts for agents: address risk, USDC payment check, tx explain. Connect the official Northline ChainKit MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
Add Northline ChainKit to your AI in one minute
Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.
claude mcp add --transport http northline-chainkit https://northline-chainkit.northline-c86.workers.dev/mcpRun in your terminal, then restart Claude Code.
Northline ChainKit · https://northline-chainkit.northline-c86.workers.dev/mcp
What your AI can do with Northline ChainKit
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “chainkit_catalog”: Free. Lists every ChainKit tool with its price, required inputs and an example, plus how x402 payment works. Call this first.”
“Use “address_profile”: Preflight any address on Base or Arc before paying or approving it: EOA vs contract vs EIP-7702-delegated wallet, EIP-1967 proxy implementat.”
“Use “verify_usdc_payment”: Verify that a transaction paid at least N USDC to an address on Base or Arc (handles Arc native-USDC logs). Returns verified true/false, con.”
“Use “explain_transaction”: Explain a Base or Arc transaction in plain JSON: status, confirmations, fee, method selector, created contract, and every ERC-20 transfer de.”
How secure is the Northline ChainKit MCP server?
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Northline ChainKit holds up.
Official endpoint
Operated by Northline ChainKit (workers.dev) at its documented MCP endpoint — not a third-party mirror or community re-host.
No sign-in needed
This server only exposes public data — no account and no credentials are involved when you connect.
Scanned before it goes live
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
Watched for drift
If Northline ChainKit adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Connected in three steps
Connect your gate
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Pick Northline ChainKit
Choose Northline ChainKit in the gate directory. No sign-in needed.
Use it anywhere
Northline ChainKit's tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
The actual tools Northline ChainKit exposes
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
chainkit_catalog — Free. Lists every ChainKit tool with its price, required inputs and an example, plus how x402 payment works. Call this first.
address_profile — Preflight any address on Base or Arc before paying or approving it: EOA vs contract vs EIP-7702-delegated wallet, EIP-1967 proxy implementat
verify_usdc_payment — Verify that a transaction paid at least N USDC to an address on Base or Arc (handles Arc native-USDC logs). Returns verified true/false, con
explain_transaction — Explain a Base or Arc transaction in plain JSON: status, confirmations, fee, method selector, created contract, and every ERC-20 transfer de
network_status — Live block height, gas price and fee estimates (transfer, ERC-20 transfer, contract call) for Base or Arc. On Arc fees are quoted directly i
usdc_balances — USDC and native balance of one address on both Base and Arc in a single call. Costs $0.002 USDC on Base per call via x402 (unpaid calls retu
Who runs the Northline ChainKit MCP server?
The Northline ChainKit MCP server at a glance
https://northline-chainkit.northline-c86.workers.dev/mcpQuestions, answered
Is there an official Northline ChainKit MCP server?
Yes — Northline ChainKit operates its own remote MCP server at northline-chainkit.northline-c86.workers.dev. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
How do I connect Northline ChainKit to Claude or ChatGPT?
Add gate's gateway URL to your AI client once, then pick Northline ChainKit in the directory. No account or sign-in is needed. From then on, Northline ChainKit's tools are available in every client you've connected to gate.
Do I need to host anything?
No. Northline ChainKit runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
Is the Northline ChainKit MCP server safe to connect?
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Is it free?
Yes — you can get started with gate for free and connect Northline ChainKit in minutes. No credit card required.
Connect more than just Northline ChainKit
Every server below works through the same gateway URL — connect once, add tools anytime.
Squarespace DomainsDesignView →Set up Northline ChainKit in: Claude · Claude Code · ChatGPT · Cursor · VS Code
Give your AI Northline ChainKit — safely.
One URL. All MCPs. Full control. Free to start.
Get started free