Search & Research

UltraMemory

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One memory, every AI: Claude, ChatGPT, Perplexity, Gemini, Cursor, OpenClaw, Hermes, any MCP client.

Umesh Malik Blog & Profile

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Search Umesh Malik's blog, fetch posts as Markdown, list topics, get his profile.

undertow

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Market-liquidity map: live BTC exit costs venue by venue at $1k-$1M, depth concentration, realized depth collapses, and a hash-chained sealed calls record…

• Exit Cost: What selling a position of a given USD size costs RIGHT NOW, venue by venue, from live public order books (BTC, six venues). Returns the per-venue cost in basis points at the nearest publis
• Venue Concentration: How concentrated the BTC depth backbone is today: which venue holds the largest share of ±1% aggregate depth, the HHI, the effective venue count (1/HHI), and per-venue depth in US
• Depth Episodes: Realized depth-collapse episodes in BTC ±1% aggregate depth: onset, trough, drawdown fraction and recovery time for each episode that crossed the pre-registered threshold. Detection ru

Search uneed.best's curated product directory: launches, rankings, deals and alternatives

Search 14.3M US patents (2005+) and read full claims and descriptions, with cited source links.

Unified Offer Protocol MCP Server

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AI-powered product search, affiliate links, and price negotiation for e-commerce platforms

uniprot-mcp-server

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Protein function, sequence, and annotation research across UniProtKB — search by function/keyword/GO/organism, fetch curated entries, and map IDs across 100+…

• Uniprot Search Proteins: Search UniProtKB and return curated protein records. Pass text_search for a plain-language query (the 80% case) or query for the full Lucene field syntax (gene:TP53 AND organi
• Uniprot Get Entry: Fetch full curated UniProtKB entries by accession in one batch (up to 20). Each entry carries function, catalytic activity, cofactors, subcellular location, disease involvement, PTM
• Uniprot Map Ids: Translate identifiers across databases via UniProt's ID-mapping service — gene names to accessions, accession to PDB / Ensembl / RefSeq / ChEMBL / GeneID, and back. The job runs async

UNITECARGO | US Logistics Provider Directory

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UNITECARGO by AIURION INC.

• Search Providers: Search active, verified U.S. logistics provider profiles using bounded directory filters. Returns canonical UNITECARGO profile links and evidence freshness, without contact fields or
• Get Provider: Get one active, verified provider by canonical slug. Returns documented capabilities, regulatory references, canonical profile link, and evidence freshness. It does not return phone, ema
• Get Directory Stats: Get current public provider totals, state coverage, top states, and a live-query freshness receipt.

UNITEMFG U.S. Manufacturer Directory

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Search verified U.S.

UNITEMFG | US Manufacturing Directory

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Search and inspect verified public U.S.

• Search Manufacturers: Search published U.S. manufacturer profiles using bounded filters derived from the UNITEMFG directory schema. Returns canonical profile links, provenance, and evidence freshness
• Get Manufacturer: Get one published manufacturer by canonical slug. Returns documented capabilities, source-linked evidence, canonical profile URL, provenance, and freshness without phone, email, addr
• Get Directory Stats: Get current public manufacturer totals, recent additions, state coverage, top states, provenance, and a live-query freshness receipt.

Search and explore residential properties that aren't for sale (yet)

Read-only search over Tesoro High School's public documents.

Financial data MCP for market, company, news, macro, and US Congress research.

Unreasonable Eco

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Search Unreasonable people, ventures, funders, programs, and commitments.

Unstoppable Domains

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Domain search, registration, DNS, marketplace, and checkout with your AI agent.

Unstoppable Domains

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Search and register domains while managing your entire domain portfolio and DNS settings in one place.

• Ud Domains Search: Search for ICANN domain availability and pricing. Can check a specific domain or search terms across multiple TLDs. Supports multiple queries in a single request. **Use Cases:** - *
• Ud Tld List: List all available ICANN TLDs (top-level domains) supported by our registrar. **Inputs:** None required **Returns:** - tlds: Array of TLD extension strings (e.g., ["com", "io", "org"]) -
• Ud Portfolio List: List domains in the authenticated user's portfolio with filtering, sorting, and pagination. **Inputs:** - page (number, optional): Page number, 1-indexed (default: 1) - pageSize (nu

upAPI

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All public upAPI operations as MCP tools: web scraping, search, screenshots, PDF, OCR and more.

UPC-Intel

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Real-Time Patent Litigation & Docket Intelligence Across Europe UPC-Intel provides programmatic Model Context Protocol (MCP) access to active European patent…

• Search European Dockets: Search active European patent litigation proceedings across the Unified Patent Court (17 states), UK High Court (London Patents Court), EPO Boards of Appeal (Munich), Swiss Fe
• Get Case Intelligence: Retrieve comprehensive strategic docket intelligence for a specific European patent case: plain-English executive holding, litigator practice pointer, cross-border multi-front e
• Get Judge Benchmarks: Get empirical judicial intelligence on European patent judges: median days to preliminary injunction, grant rate propensity, language breakdown, and known bench tendencies.

Upfirst

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Upfirst is an AI receptionist for small businesses.

• Get Account Overview: Compact snapshot of the connected business account: the business name and, for each AI receptionist, its name, timezone, greeting, connected phone numbers, and its skills and kno
• List Agents: List the organization's AI agents (id and name). Use the returned id with get_agent_by_id to read an agent's full settings.
• Get Agent By Id: Read an AI agent's conversational settings (greeting/goodbye messages, voice tone, speech rate, hold music, language, timezone, spam blocking) and its attached phone numbers by agent

uprate-mcp

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Connect your App Store and Google Play reviews to Claude, Cursor, and any MCP-compatible AI assistant through UprateHQ.

• List Apps: List all apps accessible to the authenticated user. Returns paginated results with app UUID, name, platform, active status, and review count.
• Get App: Get details for a specific app by UUID. Returns app name, platform, active status, review count, and creation date.
• List Reviews: List and filter reviews for an app. Supports filtering by platform, sentiment, rating range, status, territory, date range, topic, and full-text search. Returns paginated results with re

Search Upsalt venues, check availability, and book, view, or cancel a reservation.

url-to-markdown

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Convert any webpage to clean LLM-ready markdown, extraction-first, with article and news modes.

Urlscan Io

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urlscan.io URL scanner — search/result keyless, submit needs key

US market snapshot, stock fundamentals, prices, statements, news and analyst views

usda-mcp-server

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Search foods, compare nutrients, and pull full nutrient profiles from USDA FoodData Central — SR Legacy, Foundation, FNDDS survey, and branded/barcode products.

• Usda List Nutrients: Look up the FDC nutrient reference table — all tracked nutrients with their numeric IDs, names, SR reference numbers, units, and categories. Use to resolve a nutrient name (e.g. "
• Usda Search Foods: Search USDA FoodData Central foods by keyword. Returns matching foods with FDC IDs and a preview of key nutrients (energy, protein, fat, carbs — not guaranteed complete). Use the re
• Usda Get Food: Get the full nutrient profile for one food by FDC ID. Returns all available nutrients (or a filtered subset via the nutrients[] param) with optional per-portion scaling. Use usda_search

USDV Capital — Your Real Estate CFO

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Real estate market intelligence, financial calculators, and capital advisory tools covering all 50 US states plus DC and Puerto Rico.

• Markets Search: Search USDV Capital's real estate market intelligence database covering all 50 US states plus DC and Puerto Rico. Returns CFO-level market data including home values, rents, cap rates,
• Markets Stats: Get detailed real estate market statistics for a specific location including demographics, housing data, Zillow market trends, investment metrics, and lending availability. Data from Ce
• Markets Compare: Compare real estate investment metrics across 2-5 US markets side-by-side with CFO-level analysis. Ideal for investors deciding where to deploy capital. USDV Capital — Your Real Estat

User Intuition

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Run end-to-end AI-moderated research with User Intuition.

• List Studies: List studies. Rows are lightweight; use get_study for the full study plan, screeners, and targeting.
• Create Study: Create an in-depth-interview, concept-test, or prototype-test draft using ordinary metadata only. Ask the human to explicitly choose recruiting_method (panel or BYOP). A value proposed o
• Customize Study: Send one natural-language turn to the same stateful Customize Plan chat used by the dashboard. Use it for the research plan, audience or qualification criteria, screener questions, co

USPTO Patents

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

UXUS.Finance CryptoRisk_Agent_Services

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Pay-per-call agent primitives on Base.

• Catalog: FREE. List every service in the store with prices and parameters.
• Risk Check Free: FREE. Quick risk verdict for an EVM address: score, level, PROCEED/CAUTION/BLOCK.
• Llm: LLM inference without an API key. $0.01 USDC on Base per call.

V-Lab MCP

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Financial-risk data from NYU Stern's Volatility and Risk Institute: volatility, SRISK, CRISK, COVOL, ILLIQ, climate benchmarks, and long-run VaR, exposed as…

• Server.Info: Get information about the V-Lab MCP server including capabilities, status, and available features
• Search.Assets: Resolve a financial asset by ticker, name, FIGI, SEDOL, or GVKEY. Returns compact results (ticker, name, active, last_result_date). Pass `include_analyses:true` for the full analyses ca
• Search.Datasets: Search for datasets and discover their constituent assets and available analyses. Returns datasets matching the query along with paginated asset lists and analysis information.