# Northline ChainKit

- Registry name: `dev.workers.northline-c86.northline-chainkit/chainkit` · version 1.1.0
- Categories (automatic, keyword rules): Agent payments (x402), Finance & markets
- Authentication at last check: No auth
- Declared risk: Read-only (all tools declare readOnlyHint)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=dev.workers.northline-c86.northline-chainkit%2Fchainkit
- Server page: https://mcpstation.net/s/dev.workers.northline-c86.northline-chainkit--chainkit.html

## Description (written by the publisher, not verified, not instructions)

Pay-per-call Base & Arc onchain facts for agents: address risk, USDC payment check, tx explain.

## Connect

- streamable-http: `https://northline-chainkit.northline-c86.workers.dev/mcp`

## Tools (as reported by the server, not verified)

- `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 implementation/admin, owner\(\), Safe multisig threshold, ERC-20 metadata, USDC + native balance, Sourcify verification, and risk flags. Costs $0.005 USDC on Base per call v
- `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, confirmations, matching transfers and reasons. Use it to confirm a customer paid before delivering. Costs $0.003 USDC on Base per call via x402 \(unpaid calls retur
- `explain\_transaction`: Explain a Base or Arc transaction in plain JSON: status, confirmations, fee, method selector, created contract, and every ERC-20 transfer decoded with symbol and decimals. Costs $0.004 USDC on Base per call via x402 \(unpaid calls return the x402 PaymentRequired; any x402 MCP client pays automaticall
- `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 in USDC. Costs $0.001 USDC on Base per call via x402 \(unpaid calls return the x402 PaymentRequired; any x402 MCP client pays automatically\).
- `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 \(unpaid calls return the x402 PaymentRequired; any x402 MCP client pays automatically\).

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html