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Narmi / Grasshopper Bank

Narmi (for Grasshopper Bank) · Banking & Account Aggregation

MCP ServerVendor

MCP server letting Grasshopper business banking clients query their own financial information through Claude — account balances, recurring vendor categorisation and similar analysis. Caveats: read-only by design. Launched as a controlled beta to a limited client group — confirm current availability. Grasshopper business banking clients only; Narmi's broader partner availability is separate. Claude was the only supported assistant at launch. "First MCP server by a U.S. bank" and "first bank in Anthropic's connector directory" are the vendor's claims. Connection details are not publicly published.

business bankingbalancesread-onlybeta
Status
Vendor
Auth
OAuth
Hosting
Remote
Community rating
Not rated yet
Role
System

Provides one system's data and actions. Reads and writes inside a single product of record; it can act, but only within its own walls. All seven roles →

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How to connect Narmi / Grasshopper Bank

Step 1

Check the vendor's documentation

This listing does not publish a public endpoint or install command yet. Open the vendor documentation above for access details, then follow the general steps in our connection guide.

Step 2

Authenticate with OAuth

Your client opens a browser sign-in with the vendor. Approve only the scopes you need, and use a read-only account first when the platform offers one.

Step 3

Verify, then widen access

Restart your client, confirm the server's tools appear, and run one read-only question first. Keep client-side approval prompts on for any tool that can write, trade or send. Confirm with your firm's compliance policy before connecting systems holding client data.

Prompts that use this server

Starter prompts from the Practice Stacks that rely on Banking & Account Aggregation.

Onboarding readiness review

A checklist of what is missing before the account can be opened.

Onboard a ClientCRMBanking & Account Aggregation

Using read-only tools only, review my CRM record and any linked account-aggregation data for <client name>. List what is present and what is still missing to open and fund a new account: identity details, address, funding source, beneficiary designations, risk profile, and required disclosures. Output a table of Item / Status / Where it came from. Do not write, update or send anything. If a required field is missing, say so rather than inferring a value.

Guardrail · Read-only. Confirm with compliance before connecting any system that holds client data.

Funding and transfer-in reconciliation

Confirm the money actually landed and matches expectations.

Onboard a ClientCustody & ClearingBanking & Account Aggregation

Read-only: compare the expected funding for <client name> in CRM against the incoming transfers visible in the custody and account-aggregation tools. Show expected vs. received amounts, dates, account numbers masked to the last four digits, and flag any mismatch or missing transfer. Do not initiate, cancel or modify any transfer or trade. Cite which tool each figure came from so I can spot-check it.

Guardrail · Read-only. Verify figures at the source before they reach a client document.

Financial statement cleanup list

What to tidy before a buyer sees the books.

Sell / M&A ReadinessAccounting & TaxBanking & Account Aggregation

Read-only: review my P&L and balance sheet for <period> from the accounting system and reconcile them against the bank and account-aggregation feeds for the same period. List items a buyer would question — personal expenses run through the business, uncategorised transactions, owner compensation treatment, one-off items — plus any transaction visible in the bank feed with no matching entry in the books. Output Item / Amount / Where it appears / Why a buyer asks. Do not post, edit or reclassify anything.

Guardrail · Read-only. Any adjustment goes through your accountant, not a chat tool.

Read the full connection guide →