add-mcp registry

Olutely's widget service, operated by Spheric Admin Ltd, provides interactive widgets and basic app behavior inside ChatGPT. Its terms describe widget requests being handled by the company's own MCP servers without storing conversation content persistently.

Primitive provides programmatic email infrastructure for developers and AI agents, including sending outbound mail, receiving inbound mail, managed inboxes and domains, and hosted functions triggered by email. It also offers durable agent state storage and agent-facing integration surfaces such as REST, MCP, and CLI tools.

Prismic is a headless CMS and landing page builder for managing structured content and website pages. It supports developer integrations for reading content, managing content models and assets, migrations, and connecting AI assistants to repositories.

Ramp is a financial operations platform for corporate cards, expense management, bill pay, procurement, travel, treasury, and related business finance workflows. It also publishes developer tooling for integrating with Ramp data and actions from applications, terminals, and AI assistants.

RealEstateAPI provides real-estate data services for developers, including property, owner, tax, mortgage, boundary, valuation, and related datasets. Its product is aimed at integrating property intelligence into software, lending, mapping, and other proptech workflows.

Replit is a cloud development platform for creating and deploying applications. Its MCP server lets external AI clients create, update, and manage Replit apps through the Model Context Protocol.

Resend is an email delivery service for developers focused on transactional and marketing email sending, inbound email handling, and related audience, template, webhook, and automation features. It also provides tooling for terminal and AI-agent workflows.

Listo builds AI visibility and booking infrastructure for hotels and other businesses, including MCP connections that let AI assistants access live business data. Its public site describes services around GEO/SEO, AI-channel distribution, and MCP-based booking integrations.

SecureLend provides AI-driven loan comparison and underwriting infrastructure for lenders, financial institutions, and AI assistants. Its products cover a borrower marketplace for comparing loans and agentic underwriting workflows such as pitch-deck precheck, memo drafting, and document intelligence.

Sentry is an application monitoring and observability platform used to track errors, performance, traces, releases, and related developer workflow data. It provides hosted services on sentry.io for managing organizations, projects, issues, and integrations.

Setu provides fintech infrastructure in India for payments, bill payments, identity and signature workflows, and consented financial-data access. Its products let businesses embed UPI, BBPS, account-aggregator, insights, and eSign capabilities into their applications.

Symbol is a knowledge base for AI context that lets users save structured capsules and types, then reuse them across AI tools. It provides hosted MCP access and a web app for storing, organizing, and sharing that context.

tldraw provides an SDK for building collaborative infinite-canvas and whiteboard applications. It also offers an MCP App that lets AI agents draw and edit a tldraw canvas inside MCP-enabled clients.

Agentic Hotel Distribution provides an MCP-based interface for hotel availability, room rates, and property information backed by Synxis. Its site presents these endpoints for use by AI assistants such as ChatGPT, Claude Desktop, Cursor, and VS Code.

Tripwire appears to provide an MCP-related service at tripwire.sh. Publicly discoverable metadata shows an OAuth 2.0 authorization server with dynamic client registration and scopes for identity/profile access.

Mastering the Zodiac is an astrology service focused on true sidereal astrology, offering chart calculators, reports, readings, courses, and online astrology software called True Sky. Its website is consumer-focused rather than developer-focused.

U.S. Gold Bureau is a precious-metals dealer. The usgb.io domain appears to host an MCP endpoint related to metal spot pricing.

Waldo is a brand intelligence platform for marketers that aggregates brand, category, and audience data across social, ads, news, and related sources. It offers AI-assisted research, monitoring, and a build surface for integrating that data into custom apps and agent workflows.

WalletWhistle is a product-price tracking site that aggregates merchant listings, records timestamped price observations, and lets users browse products, price history, and biggest drops. It also offers read-only MCP access to that catalog data for AI clients.

Windmill is a performance management platform for reviews, 1:1s, pulse surveys, analytics, and feedback workflows. It uses AI and connected workplace tools to help teams gather context and run people-management processes.