OptimaYield free bank-treasury tools

com.optimayield/bank-toolsoptimayield.comstreamable-httpv1.1.0Scanned 4 hours ago

Look up US banks and run rate-shock, margin, maturity-wall and reserve calculators. Free, no key.

7 tools: 1 do something that can't be undone, 4 change things and 2 only read.

Reads private data · 0
Reads text others write · 0
Can send data out · 0
2 findings

Anlyon alternative

5 of these tools change something. Run those as governed actions.

Declare what an action changes, and Anlyon puts it under a shared limit, binds every approval to the exact request, and grades the outcome. It works on any HTTPS API you can describe as an action.

Anlyon does not run, proxy or govern this MCP server. A tool your own code calls directly is not routed through Anlyon and is not governed by it.

Import an OpenAPI spec →

Tools

Grouped by what each tool does, most consequential first. Open one for its reasons and full description; descriptions are the publisher's own words.

7 tools

Can't be undone 1Sends, pays, publishes or merges: once done, it cannot be taken back.Claude Code: ask

margin_captureCompare a bank's loan beta with its deposit beta and rank the spread against its asset-band peers, from FFIEC filings.1 finding
Why it is in this group
- The name "margin_capture" says "capture": a word that usually means money moves, which cannot be taken back.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Findings
- Warn
  The server marks "margin_capture" read-only (readOnlyHint: true), and its own name, description or input give the class "irreversible".
  Matched text
  annotations: {"readOnlyHint":true,"idempotentHint":true,"openWorldHint":false}; The name "margin_capture" says "capture": a word that usually means money moves, which cannot be taken back.
  What this check looks for
Description, as the server wrote it
Compare a bank's loan beta with its deposit beta and rank the spread against its asset-band peers, from FFIEC filings. Free; computed from FFIEC filings; results state whether each number is filed, derived, or assumed.
Annotations the server declares
- readOnlyHint: true
- idempotentHint: true
- openWorldHint: false

Changes things 4Creates or changes something that can be changed back.Claude Code: ask

deposit_pricing_decisionPrice holding, matching, or beating the market rate on a bank's deposits: annual cost, balances at risk, breakeven retention, and sensitivity.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Description, as the server wrote it
Price holding, matching, or beating the market rate on a bank's deposits: annual cost, balances at risk, breakeven retention, and sensitivity. Free; computed from FFIEC filings; results state whether each number is filed, derived, or assumed.
Annotations the server declares
- readOnlyHint: true
- idempotentHint: true
- openWorldHint: false
loss_reserve_scenarioStress a bank's net charge-offs: provision needed to hold its allowance ratio and the after-tax hit to CET1 or leverage capital, with peers.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Description, as the server wrote it
Stress a bank's net charge-offs: provision needed to hold its allowance ratio and the after-tax hit to CET1 or leverage capital, with peers. Free; computed from FFIEC filings; results state whether each number is filed, derived, or assumed.
Annotations the server declares
- readOnlyHint: true
- idempotentHint: true
- openWorldHint: false
maturity_wall_refinancingMeasure time deposits maturing or repricing within a year, then test explicit renewal and replacement assumptions against tier-specific costs.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Description, as the server wrote it
Measure time deposits maturing or repricing within a year, then test explicit renewal and replacement assumptions against tier-specific costs. Free; computed from FFIEC filings; results state whether each number is filed, derived, or assumed.
Annotations the server declares
- readOnlyHint: true
- idempotentHint: true
- openWorldHint: false
nim_rate_shockEstimate how a Fed funds move changes a bank's loan yield, deposit cost, and net interest income, using its own filed pass-through history.No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Description, as the server wrote it
Estimate how a Fed funds move changes a bank's loan yield, deposit cost, and net interest income, using its own filed pass-through history. Free; computed from FFIEC filings; results state whether each number is filed, derived, or assumed.
Annotations the server declares
- readOnlyHint: true
- idempotentHint: true
- openWorldHint: false

Only reads 2Looks things up and changes nothing.Show 2 read-only tools

get_bank_profileHeadline profile for one bank from its latest Call Report data: identity, total assets, deposits, loans, ROA, ROE, net interest margin, capital, liquidity and credit ratios, with t…No findings
Why it is in this group
- The name "get_bank_profile" says "get": a word for reading.
Description, as the server wrote it
Headline profile for one bank from its latest Call Report data: identity, total assets, deposits, loans, ROA, ROE, net interest margin, capital, liquidity and credit ratios, with the reporting period and source. Units are stated on every value.
Annotations the server declares
- readOnlyHint: true
- idempotentHint: true
- openWorldHint: false
search_banksLook up a US bank by name (legal or common, e.g.1 finding
Why it is in this group
- The name "search_banks" says "search": a word for reading.
Findings
- Warn
  The description contains "every other tool", wording about other tools or servers.
  Matched text
  description: "...state and total assets. Use this first: every other tool needs the certificate. Optionally narro..."
  What this check looks for
Description, as the server wrote it
Look up a US bank by name (legal or common, e.g. "Chase", "state street") and return its FDIC certificate number, city, state and total assets. Use this first: every other tool needs the certificate. Optionally narrow by two-letter state.
Annotations the server declares
- readOnlyHint: true
- idempotentHint: true
- openWorldHint: false

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Exfil surface

Which tools read private data, which read text someone else can write, and which can send data out. One of each is a path a prompt injection can use.

No private-data, untrusted-input, outbound path in this server alone: no tool is tagged private-data or untrusted-input or outbound.

Reads private data0: Reads files, mail, messages, databases, secrets, calendars or repositories.
Reads text others write0: Brings in text someone else can write: web pages, inbound email, messages, issues and comments.
Can send data out0: Can carry data to people or systems: it sends, posts or publishes, or takes a recipient, channel or URL.

Other servers in the same agent add their own tools to these paths. Audit your whole setup to see them together.

Findings

Matches of fixed checks, with the text they matched.

2 warn

Warnsearch_banks
The description contains "every other tool", wording about other tools or servers.
Matched text
description: "...state and total assets. Use this first: every other tool needs the certificate. Optionally narro..."
What this check looks for
Warnmargin_capture
The server marks "margin_capture" read-only (readOnlyHint: true), and its own name, description or input give the class "irreversible".
Matched text
annotations: {"readOnlyHint":true,"idempotentHint":true,"openWorldHint":false}; The name "margin_capture" says "capture": a word that usually means money moves, which cannot be taken back.
What this check looks for

History

Changes to its tool definitions and to its remote endpoint, newest first.

No change seen yet. Its tools are rescanned every day, and a remote endpoint is looked at once a week.

All changes to this server

Install

Pinned to version 1.1.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http bank-tools https://www.optimayield.com/api/mcp

claude mcp add --transport http bank-tools https://www.optimayield.com/api/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change or a way out, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json

{
  "permissions": {
    "allow": [
      "mcp__bank-tools__search_banks",
      "mcp__bank-tools__get_bank_profile"
    ],
    "ask": [
      "mcp__bank-tools__nim_rate_shock",
      "mcp__bank-tools__margin_capture",
      "mcp__bank-tools__maturity_wall_refinancing",
      "mcp__bank-tools__deposit_pricing_decision",
      "mcp__bank-tools__loss_reserve_scenario"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. A read that can send data out (it takes a URL, say) asks first too. It assumes the server is installed as bank-tools. Review it before you use it.

Keep the decision: fail CI when the tools change, follow every change, or show a badge.

Pin in CI

Fail a build when the tools you reviewed are not the tools the server serves today.

curl -s "https://anlyon.dev/api/v1/servers/com.optimayield/bank-tools/verify?hash=252ec741c870f442c31c7e13cfb35e274790352fb058228a98f0a2a1f084c055" | jq -e '.changed == false'

Pinned hash 252ec741c870, from Nov 5, 2026, 04:18 UTC.

Watch

Get told when its tools change: a new tool, a new description, a new class.

https://anlyon.dev/servers/com.optimayield/bank-tools/changes.xml

An Atom feed. Works in any feed reader or Slack's RSS app.

Badge

[![anlyon.dev](https://anlyon.dev/badge/com.optimayield/bank-tools.svg)](https://anlyon.dev/servers/com.optimayield/bank-tools)

Source: MCP Registry. Synced Nov 5, 2026, 04:18 UTC.