MCP connectors for ChatGPT

Unmarkdown

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Convert markdown to beautifully formatted documents for Google Docs, Word, Slack, OneNote, Email, and Plain Text.

• Convert Markdown: Convert markdown to destination-specific HTML and plain text. Returns JSON with 'html' and 'plain_text' fields. For Slack, present the plain_text to the user. For Google Docs/Word/On
• Create Document: Create a new markdown document in Unmarkdown
• List Documents: List your saved documents with pagination. Optionally filter by folder name or ID.

Inspect and remove C2PA content credentials from AI-generated images, video and audio.

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

Unpaywall

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Unpaywall MCP — open-access lookup for scholarly papers (free, no key)

Unphurl

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URL intelligence for AI agents and developers.

Unphurl

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URL intelligence for AI agents.

• Signup: Create a new Unphurl account. Returns an API key (shown once, store it securely). After signup, the user must check their email and click the verification link. The API key won't work for URL
• Resend Verification: Resend the email verification link for an existing Unphurl account. Use this when a user signed up but their verification link expired (links are valid for 24 hours) and they need
• Check Url: Check a single URL for security and data quality signals. Returns a risk score (0-100), detailed signal breakdown, and metadata. Unphurl analyses URLs across seven dimensions: redirect beha

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

UnrealUGC

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Generate and manage AI UGC video ads through eleven typed MCP tools

Unreasonable Eco

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

Create high-quality videos directly from natural language scripts and text descriptions.

• Generate Video: Start video generation from a natural language script. Returns job_id to poll for completion.
• Get Job Status: Get the status of a video generation job
• List Jobs Mcp: List all video generation jobs

UnRemind.me

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Context-aware reminders that surface when your situation matches, not at a fixed time.

UnRemind.me

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Context-aware reminders that surface when your situation matches, not at a fixed time.

• List Context Tags: Lists every context tag UnRemind understands, grouped (time, energy, type, device, connectivity, movement, people, payment, paymentAmount). Tags describe what a task REQUIRES to be
• List Unreminders: Lists the signed-in user's own Unreminders (tasks), soonest due first. Does not include ones assigned to other people unless this user is the owner.
• Create Unreminder: Submits a new Unreminder to the user for approval. It does NOT appear in their list immediately: like anything arriving from outside the account, it lands in their "Submitted to you

UnRemind.me Submit

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Send a reminder to anyone with a public UnRemind.me page.

UnRemind.me Submit

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Send a reminder to anyone with a public UnRemind.me page — no account, no token.

• Submit Unreminder: Sends a reminder to someone who has a public UnRemind.me page, on behalf of the person you are helping. It does NOT appear in the recipient's list immediately: it lands in their 'Su
• Get Submission Guidance: Explains what happens to a submitted Unreminder, what makes one likely to be accepted, sending limits, and what else UnRemind.me offers agents. Call this if you are unsure whe

Unshift

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Turn Claude or ChatGPT into a website builder that ships a real site to a live URL you own.

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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

Bioprocess design: generate purification routes, simulate fermentation and separations, run TEA.

Untap

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UK refunds inside your AI assistant: train delays, flights, TfL, parking.

Unulu

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Create and manage custom link-in-bio sites instantly with personalized bios and social links.

• Unulu Create Site: Create a link-in-bio site with a name, bio, and links. Returns a live URL on unu.lu that expires in 1 hour unless claimed. Do NOT call until you have at least a name and one link fr
• Unulu Get State: Returns the current state of a site including its name, bio, links, and URL. No authentication required. If expires_at is absent, the site has been claimed and is permanent. Accepts a
• Unulu Update Site: Update an existing site. All fields are optional — only provided fields are changed. Links replace the entire array (omit to keep existing). Before updating, always call unulu_get_s

Unwrangle

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Unwrangle MCP — cross-retailer product + reviews data (unwrangle.com)

uooks

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Books MCP — wraps Open Library API (free, no auth)

uored

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Bored MCP — wraps Bored API (free, no auth)

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.

Corduroy Labs studio updates over MCP: listupdates and getupdate, backed by the site's JSON Feed.

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

upgrade-agent

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Travel-upgrade Q&A, live booking eligibility, and operator lookups for airline, cruise, rail.

UpgradeLens

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npm/PyPI/Django dependency upgrades: security, runtime compatibility, migration, package ranking.