Development

US Safety Recalls

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NHTSA vehicle recalls and FDA food/drug recalls.

US Spot Bitcoin & Ethereum ETF Flows

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Daily net flows for US spot Bitcoin & Ethereum ETFs (IBIT, FBTC, GBTC, ETHA) with per-fund history

US State DMV

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US state DMV data: vehicle and EV registrations, office locators, live wait times

us-tariff-ledger

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US tariff & trade truth: duty actually paid by origin/HS 2017+, HTS rulebook, CBP rulings.

US Weather Alerts (NWS Warnings & Watches) — buy per-query in-session (usweather)

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US weather alerts (NWS): warnings, watches.

usa-logistics

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Let AI agents ship in the USA — buy USPS and multi-carrier labels via EasyPost, track packages, refund unused labels.

• Create Shipment: Create a US shipping label via EasyPost — pass a to_address, from_address and parcel (dimensions in INCHES, weight in OUNCES); the server fetches carrier rates (USPS / UPS / FedEx etc
• Query Tracking: Track a US shipment by its tracking_code (the one create_shipment returned, or any USPS/UPS/FedEx tracking number). Returns the current status plus a plain-English hint. Status values
• Refund Label: Request a refund for a US shipping label bought via create_shipment, by shipment_id (preferred) or by tracking_code. Refund is only possible for UNUSED labels — e.g. USPS labels can be r

USA Logistics (buy USPS/UPS/FedEx labels + tracking via EasyPost)

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US shipping labels for AI agents: buy USPS/UPS/FedEx, track and refund via EasyPost.

UsageMax public observability

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Read-only MCP for AI usage profiles, leaderboards, stats, and docs; no writes or private data.

Usajobs

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USAJOBS.gov MCP — US federal job postings

Usaspending

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USAspending MCP — Federal spending data from USAspending.gov API

usaspending-mcp-server

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Access US federal award, recipient, agency, and spending analytics data from USAspending.gov.

usdi-mcp-server

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Live tools for USDi: CPI-indexed exchange rate, contract/pool addresses, and mint/redeem mechanics.

USDV Capital — Your Real Estate CFO

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Real estate market intelligence, calculators, and capital advisory for US investors.

Useful Utilities

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63 tools an LLM can't do alone, in focused subsets: file edits, live data, real checksums.

uselessfacts

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Uselessfacts MCP — wraps uselessfacts.jsph.pl API (free, no auth)

UseMyContext.ai

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Personal context for AI, written by you and never scraped: your profile and files, any MCP client.

useqr-mcp

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Static QR PNG/SVG for agents.

User Agent Parser API

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Parse user agents — browser, OS, device, bot detection.

UserGuiding

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Manage users, track events, companies, and knowledge base articles in UserGuiding.

Usero

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Usero is a user feedback tool for startup teams.

• Start Signup: Get a Usero API key without leaving the agent. Emails the user a sign-in link; clicking it creates their Usero account if needed and issues an API key for this MCP client. Returns a poll
• Check Signup: Poll after start_signup. Returns { status: "pending" } until the user confirms on the emailed page, then { status: "ready", apiKey } exactly once; the pollToken is dead after that. Poll

UserTapes

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Query real user session replay data: tapes, transcripts, error/rage-click filters, alerts.

UserTold

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Design in-product voice interviews, review source-linked evidence and push work to GitHub or Linear.

• Evidence.Get: Get one bounded Evidence record with its quote, observed behavior, source interview reference, seek timestamp, page context, review state, and linked Work references. Use after evidence.
• Evidence.List: List bounded Evidence summaries and source references captured from interviews. Use when selecting evidence to inspect, group into Work, or pass to another analysis tool. Defaults to th
• Interviews.Get Context: Get a bounded transcript and synchronized navigation/click window around an evidence timestamp. Behavior events expose only controlled route vocabulary and element kinds, never

UserTold.ai: Real user research for coding agents

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UserTold runs AI-led interviews and usability tests on your website, while people are using your product.

• Evidence.Get: Use when verifying one observation from evidence.list or study results. Returns the quote, observed behavior, interpretation, source interview and timestamp, page context, review state,
• Evidence.List: Use when searching interview evidence for user problems, needs, workarounds, or successful experiences. Returns paginated quotes, observations, and source references for review or group
• Evidence.Update: Use when reviewing an interview observation. Replaces or clears its annotation, dismisses it with a reason, or restores it with dismissed=false; returns the updated evidence. Changes

Usertour MCP Server

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Official Usertour MCP Server for in-app onboarding: flows, checklists, surveys, and analytics.

Usgs Earthquakes

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USGS Earthquake Catalog MCP (FDSNWS event API).

Usgs Volcano

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USGS Volcano MCP — Volcano Hazards Program HANS-public feed (no auth)

usgs-water-mcp-server

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Query real-time and historical USGS water data from ~8,000 stream gages and groundwater wells.

usgswater

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USGS Water MCP — wraps USGS National Water Information System (NWIS) REST services (free, no auth)

Usno Astronomy

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Next solar eclipse, eclipse times by location, Moon phases and seasons from the US Naval…

USPTO Patents

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US patent search, assignee portfolios, and citation graph via PatentsView.