How to Use the HUD Fair Market Rents MCP in Windsurf

Q: How does Windsurf use HUD Fair Market Rents to calculate local voucher standards?

Cascade calls getfmrdata to pull the latest baseline rents for any county you specify. It then compares these numbers against your local payment standards to flag any deviations over the 10% statutory limit.

Q: Can I pull statewide housing data in Windsurf using HUD Fair Market Rents?

Yes, you can. Cascade queries getstatefmrdata to grab the entire state's rent baseline in a single run. This is useful when you need to compare rural and metropolitan housing costs side by side.

Q: What happens if a county name is misspelled?

The agent runs listcounties for the target state first. This matches the correct geographic entity ID before calling the rent or income tools, preventing API errors.

Pull real-time HUD Fair Market Rents directly into Windsurf and let Cascade chain your housing market analyses.

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Connect HUD Fair Market Rents MCP to Windsurf

Create your Vinkius account to connect HUD Fair Market Rents to Windsurf and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup HUD Fair Market Rents with Windsurf

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Run Multi-County Market Analysis in Windsurf

Stop wasting time looking up rent baselines county by county. Cascade chains `list_states` and `list_counties` to map out target areas, then immediately pulls the numbers using `get_fmr_data` without you having to ask for each step. You give this MCP server a target region, and the agent does the rest. It grabs local housing rates and outputs clean tables directly inside your active workspace.

Automate Income Eligibility Checks

Developers building affordable housing apps need real-time limits. Cascade uses `get_il_data` and `get_state_il_data` to instantly verify compliance thresholds across different metropolitan zones. Instead of manually auditing spreadsheets, your agent reads your local codebase and inserts the correct HUD values directly into your validation logic. This keeps your compliance checks accurate without manual data entry.

Evaluate Multifamily Tax Subsidies

Tax credit projects have strict rules. This MCP Server lets Cascade query `get_mtsp_il_data` and cross-reference those figures with `list_metro_areas` to evaluate site eligibility on the fly. You get the exact income limits for tax-exempt bond projects. The agent handles the API calls and formats the raw JSON into a clean summary so you can make fast decisions.

Setup guide

Set up HUD Fair Market Rents MCP in Windsurf

Prerequisites

Windsurf IDE installed (macOS, Windows, or Linux)
Active Vinkius subscription with a valid endpoint token

1

Open MCP configuration

Click the Cascade assistant icon in the sidebar, then click the hammer icon (🔨) at the top of the panel. Select "Configure" to open ~/.codeium/windsurf/mcp_config.json.
2

Add the HUD Fair Market Rents MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Refresh MCPs

Go back to the hammer icon (🔨) in Cascade and click "Refresh". Windsurf will detect the new server. No full restart is needed — the connection is hot-reloaded.
4

Verify in Cascade

Start a new Cascade conversation and ask something like "Show my HUD Fair Market Rents payment history." If connected, Cascade will call the HUD Fair Market Rents tools directly. You will see a green dot next to the server name in the MCP panel.

mcp_config.json

{
  "mcpServers": {
    "hud-fair-market-rents-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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Common questions about HUD Fair Market Rents MCP in Windsurf

Cascade calls `get_fmr_data` to pull the latest baseline rents for any county you specify. It then compares these numbers against your local payment standards to flag any deviations over the 10% statutory limit.

Yes, you can. Cascade queries `get_state_fmr_data` to grab the entire state's rent baseline in a single run. This is useful when you need to compare rural and metropolitan housing costs side by side.

Ask Cascade to check a specific metro area. The agent will run `list_metro_areas` and `get_mtsp_il_data` to pull the exact income limits required for Multifamily Tax Subsidy Projects in that territory.

The agent runs `list_counties` for the target state first. This matches the correct geographic entity ID before calling the rent or income tools, preventing API errors.

All queries for HUD housing, rent, and income limits data run through an ephemeral Vinkius sandbox. Your API tokens and location queries are never logged or stored on external servers.

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