Best data tools you can connect to AI over MCP
Independent reviews. IonBin has no partnerships with the tools on this page and was not paid for these listings. Our evaluations are our own, based on public documentation and our research. Product names are trademarks of their owners and are used for identification only. How disclosure works.
15 tools in Business data & reporting publish an official MCP server, linked to the vendor’s docs. Tools whose listing is still in review are left out. They are listed alphabetically: IonBin hasn’t ranked them yet, and inclusion is based on documented access, not testing or payment.
| Tool | What it is | MCP source | API |
|---|---|---|---|
| Brex | Corporate cards, expense management, bill pay and business banking. Brex MCP (beta) lets AI assistants look up expenses, users, cards, banking transactions and bills under each user's Brex permissions; approvals and card management are not available via MCP yet. | Vendor docs ↗ | Yes |
| FactSet | Institutional financial data (fundamentals, estimates, prices, ownership, M&A, transcripts) with an official MCP server for AI agents. Built for finance teams with a FactSet subscription. | Vendor docs ↗ | Yes |
| FreshBooks | Invoicing, expenses and accounting for service businesses and freelancers. Its Claude connector gives read-only answers on profit, cash, invoices and clients, limited by your FreshBooks role; a public API is also documented. | Vendor docs ↗ | Yes |
| Google Workspace (Gmail, Drive, Sheets) | Gmail, Drive, Docs, Sheets, Calendar and Meet on your own domain. Google's remote MCP servers (Developer Preview) let AI agents search mail and files, draft emails, upload files and schedule meetings with the user's own permissions. | Vendor docs ↗ | Yes |
| HubSpot (free CRM) | CRM with free tools for up to two users: create contacts, keep records up to date, log sales activities and see communication history. An official MCP server gives AI agents read and write access to CRM records. | Vendor docs ↗ | Yes |
| Make | Visual builder for multi-step automation scenarios across apps, billed in credits. A hosted MCP server lets AI clients such as Claude and ChatGPT run scenarios, and scenarios can be exported and imported as JSON blueprints. | Vendor docs ↗ | Yes |
| Mercury | Business banking for startups. Mercury MCP (in beta) connects AI tools over OAuth to read accounts and transactions and to request payments or transfers, which still need approval in Mercury; an API is also documented. | Vendor docs ↗ | Yes |
| n8n | Workflow automation you can self-host free (Community Edition) or use as n8n Cloud, with AI-agent building blocks. It can act as an MCP server via the MCP Server Trigger node. | Vendor docs ↗ | Yes |
| Notion | Docs, wikis and databases in one workspace. Notion AI is a trial on Free and Plus; Business adds Notion Agent, AI meeting notes and Enterprise Search. A hosted MCP server lets AI clients read and update your pages. | Vendor docs ↗ | Yes |
| PostHog | Product analytics, session replay, feature flags, experiments and a data warehouse in one place, with an official MCP server so agents can query product data directly. | Vendor docs ↗ | Yes |
| QuickBooks | Small-business accounting from Intuit. Intuit publishes an official local QuickBooks Online MCP server (145 tools, including create, update and delete, which can be switched off) that needs your own Intuit Developer app. A hosted server is an invitation-only pilot. | Vendor docs ↗ | Yes |
| Ramp | Corporate cards, expenses and bill pay with spend controls. Ramp MCP (marked subject to change) lets AI assistants query spend and act on approvals, reimbursements and cards within each user's permissions; a developer API is also documented. | Vendor docs ↗ | Yes |
| Stripe | Payments infrastructure with pay-as-you-go pricing. Payment Links let you sell without writing code, and Stripe's MCP server lets agents work with the Stripe API and docs. | Vendor docs ↗ | Yes |
| Windsor.ai | Connects ad, analytics and CRM data sources into one feed. Its MCP server, included on all plans, lets Claude, ChatGPT and other clients query connected marketing data after OAuth sign-in. | Vendor docs ↗ | Yes |
| Xero | Cloud accounting for small businesses. Xero's developer Remote MCP reads and writes Xero data with user consent and is included on developer plans Core and above; an open-source local MCP server is also published. Not financial advice. | Vendor docs ↗ | Yes |
Pages like this are generated only where at least five tools have sourced MCP servers. Check plan requirements in each vendor’s docs. How access levels are assigned.