MCP server directory
58869 public MCP servers from the official MCP Registry (25190 from verified domains, 33679 community). Search, filter, copy a setup snippet. Nothing here is installed by cosmic-mcp.
Community listing. Not installed or verified by cosmic-mcp. Check the source before you run anything.
Showing 391 to 420 of 613
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Reconstitution Calculator
io.peptaralabs/reconstitution-calculator
Lab math: reconstitution, unit conversion, C1V1, molarity, percent w/v, serial dilution.
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Resale Margin Calculator
io.github.weromon/resale-margin-mcp
Paid MCP tool for resale fees, net profit, ROI, and break-even price.
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Reseller True-Profit & Fee Calculator
io.github.tylerscomic-lab/reseller-fees-mcp
True net profit and breakeven price for eBay, Etsy, Poshmark, Mercari, Depop, Whatnot, TikTok Shop.
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Rystic
ai.rystic/rystic
Start, seed, clock, inspect and diff Rystic API simulators from your agent.
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S+ Money CIS Refund Calculator
uk.co.splusmoney/cis-refund-calculator
Estimate a UK CIS construction subcontractor's tax refund for 2025-26 to 2027-28. Free, no sign-in.
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Schengen 90/180 Calculator
io.github.al157/schengen-mcp
Schengen 90/180 rolling-window calculator MCP server: stay math, trip checks, rule explainer.
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Schengen Counter
com.schengencounter/schengen-counter
Schengen 90/180-day calculator, earliest re-entry date and ETIAS check. Stateless, no data stored.
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Scientific Calculator
ai.saifs/scientific-calculator
Exact arithmetic, algebra, calculus, physics, chemistry and finance with a checkable formula.
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Scientific Math Calculator MCP
net.nexlab/scientific-math-calculator
Safe scientific calculator MCP for numeric expressions
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Section 179 Deduction Calculator
io.github.theluckystrike/section-179-deduction-calculator-mcp
Section 179 limits, 100% bonus depreciation, heavy SUV caps and asset loan cost (2025-2026, IRS).
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Seller Fees Calculator
io.github.NarwhalThePong/seller-fees-mcp
Gumroad, Stripe, PayPal and Etsy seller fees, payouts and break-even prices. Local, no API key.
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ShiftSum Time Card
io.github.theluckystrike/time-card
A time card calculator for hours worked.
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Shipping Rates & Postage Calculator
com.onlineshippingcalculator/shipping-rates
Live USPS, UPS & FedEx shipping rates plus USPS postage and stamp prices. Free, no API key.
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Smoover Moving Cost Calculator
de.smoover-moving/smoover
Live moving price estimates (EUR incl. VAT) for Germany, the EU, Switzerland and the UK.
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StateTakeHome
io.github.tresor4k/statetakehome-mcp
US take-home pay calculator by state: federal and state tax, FICA, deductions.
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Stayspan Schengen Days
io.github.theluckystrike/schengen-days
Plan Schengen short stays with a rolling 90/180 rule calculator and a daily CSV download.
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Store Starter Tools for Shopify
io.github.maggat/store-starter-tools
Shopify store starter tools: store names, niche ideas, launch checklist and profit calculator.
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Student Loan RAP Calculator
io.github.theluckystrike/student-loan-repayment-assistance-plan-calculator-mcp
Student loan RAP payment calculator, 2026 federal loan limits, SAVE/PAYE/ICR end dates (OBBBA).
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StudentLoan.help: federal repayment plan calculator
help.studentloan/studentloan-help
Federal student loan repayment estimates: RAP, IBR, Standard, Tiered Standard, PSLF, refinance.
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StudioTV LLM VRAM Calculator
com.studiotvai/llm-vram
Does an LLM fit on your GPU? VRAM, KV cache and GPU count for any Hugging Face model.
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Subnet Calculator MCP
io.github.zekerutledge/subnet-calculator-mcp
Calculates IPv4 subnet information from an IP address and CIDR prefix or dotted decimal subnet mask
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TILLA - market data on one clock
io.github.TillaCrypto/tilla-mcp
Aligned market data for AI agents: crypto, stocks, FX and macro on one clock. Local or hosted.
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Tax Reclaim calculator
eu.taxreclaim/calculator
Estimate dividend and interest withholding-tax refunds, treaty rates and filing deadlines.
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Tempo Cron Explorer
io.github.theluckystrike/cron-explorer
Cron runs across timezones
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Tick
com.clawhard/tick
Next cron run times in any IANA timezone, with DST gap and fold warnings.
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TidyData Tools
io.github.tidydata-dev/tidydata
Holidays, business days, currency, time zones, DNS/WHOIS, web page checks, geodata and text tools.
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Time
ai.b77/time
A live clock for your assistant.
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Time & Astronomy
org.memoryapi/time
Current time by timezone, astronomy events, and moon phases
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Time of Meeting
com.timeofmeeting/time-of-meeting
Fair meeting times across time zones. Separate business-day and bank-day calculations.
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Timebutler MCP by usefulapi
io.usefulapi/timebutler
Read absences, time entries and balances; run the time clock and request absences in Timebutler.
Source: the official MCP Registry (registry.modelcontextprotocol.io), refreshed daily, plus public GitHub data. "Verified domain" means the publisher proved the namespace's domain to the registry; it is not a review. Machine-readable: /v1/directory/servers.