add-mcp registry

Avalara provides tax calculation, compliance, returns, e-invoicing, and related tax-data products for businesses. Its developer portal covers APIs and AI integration endpoints for multiple Avalara product lines.

Avo is an analytics tracking-plan and data-governance platform for defining events, properties, metrics, and branches, then generating implementation code and monitoring analytics quality. It helps product, data, and engineering teams keep analytics definitions consistent and publish or import tracking-plan data across tools.

B12 is an AI-powered website builder and business platform for creating, editing, hosting, and publishing websites. Its product includes AI-assisted website generation and related business tools such as forms, marketing, and commerce features.

Backstage is an online marketplace for performers, creators, and production teams to find auditions, jobs, and talent. It also provides tools for casting and talent discovery on its platform.

Bankrate is a consumer financial information and comparison platform that publishes rates, reviews, calculators, and guidance for products like mortgages, savings accounts, credit cards, and home equity loans. It connects consumers with financial product providers but is not itself a bank or lender.

BASBAS is a Shopify-powered ecommerce site for a herbal liqueur brand. The site offers public product and store discovery endpoints and advertises agent-driven commerce support for shopping workflows.

Base44 is an AI-powered platform for building and hosting web apps with generated frontend, backend, data models, authentication, and integrations. It also provides a managed backend and tooling for developers and AI agents to create, manage, and monitor apps.

Bed-and-Breakfast.it is an accommodation search and booking platform focused on properties across Italy. It lets travelers browse listings, availability, pricing, and booking information for bed and breakfasts and other lodging types.

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.

MessageBird/Bird provides communications infrastructure for sending and managing email, SMS, voice, WhatsApp, and related messaging workflows. Its newer Bird platform also includes agent-oriented access via a CLI and MCP server.

BizCover is an Australian business insurance platform that lets small businesses compare and buy insurance policies online. Its public website focuses on quoting, purchasing, and account access for insurance products.

Blackbaud provides software and cloud services for nonprofits, education, fundraising, grantmaking, finance, and related social-good operations. Its SKY Developer program offers APIs and related developer tooling for integrating with Blackbaud customer environments.

Flower Diary, branded on its website as Blossom Diary, is an AI-assisted diary writing service with related language-learning and proofreading features. Its public site describes consumer apps and products centered on writing diaries in multiple languages.

Bluente provides document and text translation services, including format-preserving file translation, OCR, glossary support, and language metadata APIs. It also offers an MCP-based integration for AI agents to access document translation tools.

Book Direct is a lodging discovery platform that connects property owners directly with travelers and AI assistants, surfacing accommodations with direct booking links and contact details. It focuses on helping hotels and vacation-rental owners receive direct bookings outside traditional OTA marketplaces.

Booking.com is an online travel platform for accommodations and other travel services. Its developer offerings let partners access travel inventory, metasearch connectivity, and user-authorized data portability exports.

Botpress is a platform for building and operating AI agents and chatbots. It provides cloud-hosted tooling for agent development, deployment, conversations, integrations, and related runtime/admin capabilities.

Box is a cloud content management and collaboration platform for storing, sharing, and governing files and enterprise content. It also provides AI and workflow features that operate on content stored in Box.

Box is a cloud content management and collaboration platform for files, folders, search, workflows, signatures, and AI features. Its developer platform lets applications and agents work with Box content and enterprise features programmatically.

Braintrust is an AI observability and evaluation platform for tracing production AI behavior, curating datasets, running evaluations, and managing prompts and related workflows. Teams use it to measure quality, investigate failures, and improve AI systems over time.