Movable Capital
Compare verified US cash rates for savings, money funds, CDs and T-bills, with after-tax math.
Connects to Movable Capital's dated, provider-verified rate data for high-yield savings, money market funds, CDs, Treasury bills and brokerage cash sweeps. Muse can look up the best current rates, check what a broker pays on uninvested cash, and estimate after-tax returns for a given balance and tax bracket.
Try asking Muse: "Where should I keep my $20,000 emergency fund, and how much more would I earn after taxes?"
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Source: Found in the official MCP Registry (com.movablecapital.www/cash-rates) · First listed November 7, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 1 h ago.
Is it safe to connect?
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
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How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://www.movablecapital.com/api/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Also use it in ChatGPT or Claude
Movable Capital is a remote MCP server, so any assistant that can add a custom connector by link can use it. Same link, same tools.
Add it to ChatGPT
- 1
Open ChatGPT settings
In ChatGPT, open Settings, then Connectors (called Apps & Connectors on some accounts).
- 2
Turn on developer mode
Under Advanced settings, switch on Developer mode. That is what lets you add a connector by link.
- 3
Create the connector
Choose Create, give it a name, paste the link as the MCP server URL, and save. If it needs a sign-in, ChatGPT asks for it here.
- 4
Use it in a chat
Start a chat, open the tools menu, pick the connector, and ask. ChatGPT asks before it runs a tool the first time.
Custom connectors need a paid ChatGPT plan, and on Team, Enterprise and Edu accounts only an admin can add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in ChatGPT
Add it to Claude
- 1
Open Claude settings
In Claude, open Settings, then Connectors.
- 2
Add a custom connector
Choose Add custom connector, give it a name, and paste the link.
- 3
Connect and use it
If it needs a sign-in, Claude sends you to it. Then turn the connector on in a chat from the tools menu and ask.
Custom connectors are available on paid Claude plans; on Team and Enterprise accounts an admin may need to add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in Claude
https://www.movablecapital.com/api/mcpWhat people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 378ms. Worked in n/a of checks over 30 days.
Screening · November 7, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 4
get_cash_ratesThe highest verified U.S. cash rates right now, by kind: high-yield savings, money market funds, CDs, Treasury bills, or default brokerage sweeps. Each rate was read from the provider's own page on the date returned. Use for "best savings rate", "best money market fund", "where sget_sweep_rateWhat a brokerage pays on uninvested cash by default (the cash sweep), by account type, with the date verified, how it compares with Treasury bills, and a step-by-step guide to moving the cash. Brokers include Schwab, Fidelity, Vanguard, Merrill, E*TRADE, Morgan Stanley, Wells Farcompare_after_taxFor a cash balance and the person's tax rates, estimate what each kind of cash option keeps per year after federal and state income tax (Treasury interest is state-tax-free; money funds pass through their government share), and how much more than where the cash sits now. Returns get_treasury_yieldsThe latest U.S. Treasury daily par yield curve (1 month to 10 years), with its date. Treasury bill interest is exempt from state income tax.Link
https://www.movablecapital.com/api/mcpQuestions about Movable Capital in Muse
How do I connect Movable Capital to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Movable Capital to help me. It is a free service with an MCP server at https://www.movablecapital.com/api/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is Movable Capital working right now?
At the last check (November 7, 2026, 02:46 UTC) the endpoint was working, answering in 378ms. It is checked every 15 minutes.
Is Movable Capital safe to connect to Muse?
It was screened on November 7, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can Movable Capital do in Muse?
It exposes 4 tools, including get_cash_rates, get_sweep_rate, compare_after_tax, get_treasury_yields. For example, you could ask Muse: "Where should I keep my $20,000 emergency fund, and how much more would I earn after taxes?"
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