add-mcp registry

Carbon Arc provides a data platform focused on carbon and market data products. Its public site was in maintenance during review, but the domain publishes an admin API specification and an MCP endpoint.

CardChain AI is a trading card platform focused on card pricing, grading analysis, portfolio tracking, and marketplace listings. It provides AI-assisted tools and live sports card market data for collectors and investors.

Carrefour France operates an online retail and grocery shopping site for store pickup and home delivery. The site presents consumer shopping, promotions, and store services for Carrefour in France.

CARS24 is an Indian automotive marketplace and services platform for buying and selling used cars, checking vehicle history and challans, financing, inspections, and related car services. Its public website also references mobile apps and other digital touchpoints for these consumer services.

Carta provides equity management, cap table, investor, and related financial workflow software. It also offers a CRM product for managing investment relationships, deals, fundraising, contacts, and notes.

ListAlpha is a deal and relationship management platform for private capital teams. Its CRM product, branded in the docs as Carta CRM, helps users manage companies, contacts, deals, fundraising workflows, notes, and reports.

CarWale is an Indian automotive marketplace and pricing platform for new and used cars. It provides car listings, verified pricing information, reviews, and comparison content.

Cashback Hive is a cashback shopping service focused on deals and coupons. Its publicly discoverable developer integration surface is an MCP server for accessing Cashback Hive deals and coupon functionality.

CB Insights provides private-market and technology market intelligence, including company, investor, financial transaction, relationship, and predictive scoring data. Its platform is used for market research, sales intelligence, strategy, investment, and AI-assisted analysis.

CData provides connectivity software and cloud services that let users access, virtualize, and integrate data from many SaaS applications, databases, and APIs. Its Connect AI product offers a managed layer for querying and acting on connected data through REST, OData, OpenAPI, and MCP.

Cdiscount is a French e-commerce marketplace. Its marketplace seller integrations are delivered through Octopia, which provides programmatic access for sellers to manage products, offers, orders, customer discussions, fulfillment, and financial data.

Channel3 provides product search and agentic commerce infrastructure, including product discovery, pricing, availability, and affiliate-link data for shopping apps and AI agents. It also offers an MCP interface for agent integrations.

Channel99 provides B2B marketing attribution and campaign measurement software. Its platform combines ad, site, CRM, and audience data to help marketing teams analyze performance and optimize pipeline impact.

Chargebee exposes tenant-scoped REST APIs at `/api/v1` and `/api/v2` authenticated with a site API key via HTTP Basic Auth, plus MCP servers for Knowledge Base (public), Data Lookup, Onboarding, and Custom tools authenticated either by per-server Bearer API keys or Chargebee-issued OAuth clients.

Chargebee exposes tenant-scoped REST APIs at `/api/v1` and `/api/v2` authenticated with a site API key via HTTP Basic Auth, plus MCP servers for Knowledge Base (public), Data Lookup, Onboarding, and Custom tools authenticated either by per-server Bearer API keys or Chargebee-issued OAuth clients.

Checkly is a synthetic monitoring and testing platform for monitoring APIs, websites, and user workflows, plus related incident communication and investigation features. It provides checks, status pages, dashboards, traces, and AI-assisted root cause analysis for engineering teams.

Checkr provides background screening and related hiring workflow services. Its products include APIs, embeddable application components, and MCP servers for customers and candidate-facing AI agents.

Chessvia is an AI chess coaching service centered on "Chessy," a voice- and text-enabled chess tutor for playing, analysis, and personalized instruction. Its public site markets gameplay, analysis, and coaching features for chess learners.

Circleback is an AI meeting productivity platform that records or transcribes meetings, generates notes and action items, and lets users search meeting, calendar, and email context. It also supports automations and exposes that context to AI tools and the terminal.

ondata.github.io is a GitHub Pages site for onData projects. It presents tools for working with open data and Italian legal texts, including a CKAN-focused MCP server project and a Normattiva-to-Markdown converter.