FinFam Financial Calculators
Run financial calculators for rent vs. buy, mortgages, retirement and get daily money news.
Access FinFam's free financial calculators for major decisions like renting vs. buying a home, mortgage planning, and retirement. Also includes FinFam Pulse, a twice-daily money news digest covering markets, rates, housing, jobs and spending.
Try asking Muse: "Should I rent or buy a house given my income and savings?"
Source: Found in the official MCP Registry (app.finfam/calculators) · First listed September 24, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 2 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://ff-api.finfam.app/mcp/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 304ms. Worked in 100% of checks over 30 days.
Screening · September 24, 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 · 6
search_viewsSearch for financial calculators matching a question or topic. Args: query: Natural language search query (e.g. "should I rent or buy a house") limit: Maximum number of results to return (default 5, max 20) get_view_signatureGet the full input/output contract for a financial calculator. Returns field names, types, defaults, and hints so you know exactly what inputs to collect from the user before running a calculation. Args: owner_username: The view owner's username (from search results) viewname: Thcalculate_viewRun a financial calculation with the provided input values. Pass field values as a dict mapping field names to values. Use the types from get_view_signature: amount fields take numbers (e.g. 300000), percent fields take decimals (0.05 = 5%), count fields take integers, yesno fielget_view_sourceGet the source code/formulas of an open-source financial calculator. Only available for views that have been published as open-source. Returns the calculation logic as a readable TSV showing fields, types, defaults, and formulas. Args: owner_username: The view owner's username viget_pulseGet the current FinFam Pulse — FinFam's twice-daily money-news digest. Use this for "what's happening in finance / markets / the economy right now" questions instead of answering from memory. Returns a dated headline and paragraph, the overall mood, a finfam.app permalink, the exsearch_pulseSearch past FinFam Pulse editions by topic (e.g. "Fed", "mortgage rates", "layoffs"). Matches both the editions' prose and their individual story cards. Each result is one dated edition with its headline, paragraph, permalink, sources, and the story cards that matched. Best matchRecent checks
Link
https://ff-api.finfam.app/mcp/mcpQuestions about FinFam Financial Calculators in Muse
How do I connect FinFam Financial Calculators to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use FinFam Financial Calculators to help me. It is a free service with an MCP server at https://ff-api.finfam.app/mcp/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 FinFam Financial Calculators working right now?
At the last check (September 28, 2026, 07:01 UTC) the endpoint was working, answering in 304ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is FinFam Financial Calculators safe to connect to Muse?
It was screened on September 24, 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 FinFam Financial Calculators do in Muse?
It exposes 6 tools, including search_views, get_view_signature, calculate_view, get_view_source. For example, you could ask Muse: "Should I rent or buy a house given my income and savings?"
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