FilingCheck
Look up SEC filings and calculate fair value, margins of safety, and key financial ratios for US stocks.
Pulls real SEC 10-K financials from XBRL-tagged filings to compute Graham fair value, margin of safety, P/E, P/B, ROE, current ratio, debt/equity, and dividend yield for US-listed companies. All numbers come directly from official SEC filings.
Try asking Muse: "What's the fair value and margin of safety for Apple stock based on its latest SEC filing?"
Source: Found in the official MCP Registry (app.vercel.filingcheck-bot/filingcheck) · 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://filingcheck-bot.vercel.app/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: 609ms. 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 · 1
check_filingLook up a US-listed company's real SEC 10-K financials and compute Graham fair value, margin of safety, P/E, P/B, ROE, current ratio, debt/equity, and dividend yield. Every number is pulled directly from the company's own XBRL-tagged filing -- there is no LLM in the numeric path,Recent checks
Link
https://filingcheck-bot.vercel.app/mcpQuestions about FilingCheck in Muse
How do I connect FilingCheck to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use FilingCheck to help me. It is a free service with an MCP server at https://filingcheck-bot.vercel.app/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 FilingCheck working right now?
At the last check (September 28, 2026, 07:01 UTC) the endpoint was working, answering in 609ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is FilingCheck 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 FilingCheck do in Muse?
It exposes 1 tools, including check_filing. For example, you could ask Muse: "What's the fair value and margin of safety for Apple stock based on its latest SEC filing?"
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This listing was added from public sources (Found in the official MCP Registry (app.vercel.filingcheck-bot/filingcheck)). If you build FilingCheck, claim it to correct the details and get your badge.
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