MCP Marketplace

100ms provides a full-featured API for integrating real-time audio and video streaming into applications, ideal for use cases such as video conferencing, live streaming, and online education platforms.

DocuSign is the industry-leading e-signature and digital transaction management platform. Professionals use DocuSign daily to send contracts, NDAs, agreements, and documents for legally binding electronic signatures. Track signature status, manage templates, and automate approval workflows.

Klaus API is a developer tool providing access to KlausApp's conversation review and customer service quality metrics, allowing businesses to enhance their customer support operations. Use it to automate data retrieval and integrate quality insights into existing systems.

Clockodo is a time tracking software designed for businesses to monitor employee work hours, project durations, and generate related reports. Utilize it to track time efficiently and bill clients accurately.

Chameleon provides an API to gather data on user onboarding and behavior for products, enabling insights into user experience and engagement. It facilitates the collection of user analytics to inform product improvements and optimizations.

Cal.com is an open-source scheduling platform for managing appointments, availability, and calendar integrations. Create bookings, check available slots, manage event types and schedules.

College Scorecard API providing institution-level data on tuition, admissions rates, SAT/ACT scores, graduation rates, post-graduation earnings, student demographics, and financial aid for 6000+ US colleges.

Deck of Cards API providing virtual playing card deck operations including shuffling, drawing cards, and deck management.

Bulk batch endpoints for high-volume data retrieval

Access real measured weather observations from the Met Office's UK ground station network. Get hourly actual readings (temperature, wind, humidity, pressure, visibility, weather type) from ~150 stations across the UK, covering the past 48 hours. Complements forecast data with ground-truth measurements.

News API provides a RESTful API to access hundreds of worldwide news sources and blogs in real-time for news aggregation purposes. Use it to retrieve breaking news, headlines, and article content by topic or publication date.

RentCast provides rental market data and property analytics, enabling users to access insights on rental prices, trends, and forecasts. Use it to analyze real estate markets for investment and leasing decisions.

Twilio Taskrouter is a task distribution service that enables businesses to manage and route tasks to the most qualified agents in real-time. Use it to optimize workflow and improve customer service efficiency.

Shortcut is a project management tool that enables teams to organize tasks, track project progress, and collaborate efficiently. It is used primarily for managing software development workflows and enhancing team productivity.

Statsig is a platform that provides analytics and experimentation tools to help teams make data-driven decisions. Use it to run A/B tests and analyze feature performance for product optimization.

OSSInsight provides deep analytics and insights for open source projects on GitHub, powered by TiDB Cloud. Track trending repos, explore collections, analyze issue creators, pull request contributors, and stargazer demographics across countries and organizations.

RD Station CRM is a sales CRM for pipeline management, contact tracking, and deal execution. Connect to read and write deals, contacts, organizations, tasks, products, pipeline stages, and deal notes.

Opsgenie is an incident management tool that provides reliable alerts, on-call scheduling, and escalation management to ensure timely incident response and resolution. Use it to manage on-call teams and orchestrate incident response processes.

Supplemental People Data Labs tools — check account credits, enrich IP addresses, autocomplete field values, classify job titles, and normalize location/school data.

Time tracking and invoicing software for teams and businesses. Track billable hours, manage projects, analyze profitability, and generate invoices.

Environment Agency catchment and water body discovery for England. Search rivers and water bodies by name, find monitoring stations near a location, and explore river networks with flow, level, and groundwater data across catchment areas.

Semantic Scholar Academic Graph, Recommendations, and Datasets APIs — search papers, explore citations, discover authors, get paper recommendations, and search text snippets across 214M+ academic papers. Most endpoints work without authentication; an optional API key provides dedicated rate limits (sent as x-api-key header, case-sensitive per the OpenAPI spec).

Access UK government services and information for countries worldwide via the GOV.UK Content API. Find embassies, travel advice, living abroad guides, and trade information for any country.

Calculate exact age in years, months, and days from a birthdate. Includes day of the week born, zodiac sign, next birthday countdown, and total days/weeks alive. Pure computation.