CharterBench

Every U.S.

CommunityOnlineAPI key requiredGlobalFreeCan modify data

What it can do

  • Screen Institutions: Find banks and credit unions matching filters. Returns a ranked list with key financials and ratios. Use for territory planning, prospect lists, and 'which institutions…' question
  • Get Institution: Full profile of one bank or credit union: identity, size, YoY growth, all 17 ratios, peer medians for its asset band, and this quarter's change signals. Use the id from screen_institu
  • Search Institutions: Look up institutions by name to get their ids. Cheap and fast; use before get_institution when you only know a name.

What data it sees

Do you need an account

An API key from the service settings is required

Every U.S. bank and credit union — size, growth, 17 ratios vs. peers, change signals and mergers — from FDIC and NCUA call reports, refreshed weekly.

Tools: screen_institutions (filter by state, asset band, any ratio; ranked), search_institutions, get_institution (profile + ratios + peer medians + this quarter's signals), get_financial_history, get_signals, get_peer_medians, compare_institutions.

Built for people who sell to financial institutions: prospect lists, call prep, territory planning. Try: "Which Georgia credit unions over $500M grew loans faster than deposits, and what would I lead with?"

Requires a CharterBench Pro API key (cb_live_…) — create one at https://www.charterbench.com/account. Setup for every client: https://www.charterbench.com/claude

How to connect

How to connect CharterBench to Claude

The server address to paste into Claude settings:

https://charterbench--jwduke.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect CharterBench to ChatGPT

The server address to paste into ChatGPT settings:

https://charterbench--jwduke.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect CharterBench to Cursor

The server address to paste into Cursor settings:

https://charterbench--jwduke.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (7)

Raw names from tools/list. Only developers need these.

screen_institutionsFind banks and credit unions matching filters. Returns a ranked list with key financials and ratios. Use for territory planning, prospect lists, and 'which institutions…' questions. Money in dollars, ratios in percent.
get_institutionFull profile of one bank or credit union: identity, size, YoY growth, all 17 ratios, peer medians for its asset band, and this quarter's change signals. Use the id from screen_institutions or search_institutions (e.g. 'ncua-66357', 'fdic-9846').
search_institutionsLook up institutions by name to get their ids. Cheap and fast; use before get_institution when you only know a name.
get_financial_historyQuarterly call-report history for one institution (assets, deposits, loans, equity, income lines) with computed ratios per quarter, newest first.
get_signalsChange signals for one institution across its history: deposits down/up, loans up/down, delinquency up, efficiency worsening, crossed $1B/$10B, net loss, thin capital, members down — each with plain-English text and why it matters to a seller.
get_peer_mediansMedian of every ratio for a peer group (charter type × asset band). Use to say how an institution compares.
compare_institutionsSide-by-side comparison of 2–5 institutions on size, growth and ratios, plus a link to the interactive compare page.