Bring Property Data
to Mastra AI
Learn how to connect RentCast to Mastra AI 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 Mastra AI?
Mastra's agent abstraction provides a clean separation between LLM logic and RentCast tool infrastructure. Connect 8 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
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Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add RentCast without touching business code
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Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
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TypeScript-native: full type inference for every RentCast tool response with IDE autocomplete and compile-time checks
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One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
RentCast in Mastra AI
RentCast and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect RentCast to Mastra AI 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 Mastra AI
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 Mastra AI 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 Mastra AI
Every tool call from Mastra AI 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 Mastra AI connect to MCP servers?
Create an MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.
Can Mastra agents use tools from multiple servers?
Yes. Pass multiple MCP clients to the agent constructor. Mastra merges all tool schemas and the agent can call any tool from any server.
Does Mastra support workflow orchestration?
Yes. Mastra has a built-in workflow engine that lets you chain MCP tool calls with branching logic, error handling, and parallel execution.
createMCPClient not exported
Install: npm install @mastra/mcp