Bring Property Data
to Vercel AI SDK
Learn how to connect RentCast to Vercel AI SDK and start using 8 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.
What is the RentCast MCP Server?
Connect your RentCast account to any AI agent and simplify your real estate investment analysis and property data orchestration through natural conversation.
What you can do
- Property Intelligence — Fetch complete records for any US address, including owner info, tax history, and structural details
- Rent & Sale AVMs — Generate real-time rental price estimates and property valuations using advanced market models
- Market Trends — Query aggregate trends for any ZIP code, including average rents, occupancy rates, and occupancy levels
- Rental Listings — Access current active rental listings to understand local competition and inventory
- Investment Tracking — Monitor your portfolio values and local market conditions directly from your agent
How it works
1. Subscribe to this server
2. Enter your RentCast API Key from your developer dashboard
3. Start managing your real estate data from Claude, Cursor, or any MCP-compatible client
Built-in capabilities (8)
Get property details by ID
Get property data by address
Get comparable rental properties
Get rental price estimate (AVM)
Get comparable sale properties
Get property sale valuation
List active rental listings
Get market trends by ZIP code
Why Vercel AI SDK?
The Vercel AI SDK gives every RentCast tool full TypeScript type inference, IDE autocomplete, and compile-time error checking. Connect 8 tools through Vinkius and stream results progressively to React, Svelte, or Vue components. works on Edge Functions, Cloudflare Workers, and any Node.js runtime.
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TypeScript-first: every MCP tool gets full type inference, IDE autocomplete, and compile-time error checking out of the box
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Framework-agnostic core works with Next.js, Nuxt, SvelteKit, or any Node.js runtime. same RentCast integration everywhere
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Built-in streaming UI primitives let you display RentCast tool results progressively in React, Svelte, or Vue components
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Edge-compatible: the AI SDK runs on Vercel Edge Functions, Cloudflare Workers, and other edge runtimes for minimal latency
RentCast in Vercel AI SDK
RentCast and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect RentCast to Vercel AI SDK through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 3,400+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for RentCast in Vercel AI SDK
The RentCast MCP Server runs on Vinkius-managed infrastructure inside AWS — a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts. All 8 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in Vercel AI SDK only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
How Vinkius secures
RentCast for Vercel AI SDK
Every tool call from Vercel AI SDK to the RentCast MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
Can I get a rental price estimate for a property using my AI agent?
Yes! Use the get_rental_valuation tool. Provide the full property address to retrieve an automated estimate based on local comps.
How does the Vercel AI SDK connect to MCP servers?
Import createMCPClient from @ai-sdk/mcp and pass the server URL. The SDK discovers all tools and provides typed TypeScript interfaces for each one.
Can I use MCP tools in Edge Functions?
Yes. The AI SDK is fully edge-compatible. MCP connections work on Vercel Edge Functions, Cloudflare Workers, and similar runtimes.
Does it support streaming tool results?
Yes. The SDK provides streaming primitives like useChat and streamText that handle tool calls and display results progressively in the UI.
createMCPClient is not a function
Install: npm install @ai-sdk/mcp