US rent limits by ZIP. HUD Fair Market Rent free, no key; paid layers need a key.
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Which data layers (federal, tax-credit, local agency) exist for a US ZIP code. Free, no key needed.
5-digit US ZIP code
Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.
Run in a terminal
claude mcp add --transport http rent-limits-mcp https://mcp.glazeddata.com/mcp
Headers
x-api-key (optional, not in the config above): Optional. Your Glazed Data API key (gd_live_...). Free tools work without it; paid tools need it. Get one at https://glazeddata.com/rent-limits/pricing/Which data layers (federal, tax-credit, local agency) exist for a US ZIP code. Free, no key needed.
| Argument | Type | Description |
|---|---|---|
| zip_code* | string | 5-digit US ZIP code |
{
"type": "object",
"required": [
"zip_code"
],
"properties": {
"zip_code": {
"type": "string",
"pattern": "^[0-9]{5}$",
"description": "5-digit US ZIP code"
}
},
"additionalProperties": false
}HUD Fair Market Rent and Small Area FMR for a US ZIP code, by bedroom count, with effective dates and source links. Free, no key needed.
| Argument | Type | Description |
|---|---|---|
| fips | string | Optional HUD area or county code, when a ZIP spans several areas |
| zip_code* | string | 5-digit US ZIP code |
| bedroom_count | any | Bedroom count 0-4, or "all" (default) |
{
"type": "object",
"required": [
"zip_code"
],
"properties": {
"fips": {
"type": "string",
"description": "Optional HUD area or county code, when a ZIP spans several areas"
},
"zip_code": {
"type": "string",
"pattern": "^[0-9]{5}$",
"description": "5-digit US ZIP code"
},
"bedroom_count": {
"oneOf": [
{
"enum": [
"all"
],
"type": "string"
},
{
"type": "integer",
"maximum": 4,
"minimum": 0
}
],
"description": "Bedroom count 0-4, or \"all\" (default)"
}
},
"additionalProperties": false
}The local housing agency's own voucher payment standard for a ZIP, with its effective date and source document. Available on: ULTRA ($99/month, 50,000 calls), MEGA ($299/month, 250,000 calls). Needs your own Glazed Data API key in the x-api-key header (create one at https://glazeddata.com/rent-limits/pricing/).
| Argument | Type | Description |
|---|---|---|
| fips | string | Optional HUD area or county code, when a ZIP spans several areas |
| zip_code* | string | 5-digit US ZIP code |
| bedroom_count | any | Bedroom count 0-5, or "all" (default) |
{
"type": "object",
"required": [
"zip_code"
],
"properties": {
"fips": {
"type": "string",
"description": "Optional HUD area or county code, when a ZIP spans several areas"
},
"zip_code": {
"type": "string",
"pattern": "^[0-9]{5}$",
"description": "5-digit US ZIP code"
},
"bedroom_count": {
"oneOf": [
{
"enum": [
"all"
],
"type": "string"
},
{
"type": "integer",
"maximum": 5,
"minimum": 0
}
],
"description": "Bedroom count 0-5, or \"all\" (default)"
}
},
"additionalProperties": false
}Every rent ceiling for one unit: HUD FMR (free), plus tax-credit rent limits and the local agency payment standard where your plan includes them. Uses up to 2 calls of your plan. Paid parts are available on: PRO ($29/month, 5,000 calls), ULTRA ($99/month, 50,000 calls), MEGA ($299/month, 250,000 calls). Needs your own Glazed Data API key in the x-api-key header (create one at https://glazeddata.com/rent-limits/pricing/).
| Argument | Type | Description |
|---|---|---|
| fips | string | Optional HUD area or county code, when a ZIP spans several areas |
| zip_code* | string | 5-digit US ZIP code |
| bedroom_count* | integer |
{
"type": "object",
"required": [
"zip_code",
"bedroom_count"
],
"properties": {
"fips": {
"type": "string",
"description": "Optional HUD area or county code, when a ZIP spans several areas"
},
"zip_code": {
"type": "string",
"pattern": "^[0-9]{5}$",
"description": "5-digit US ZIP code"
},
"bedroom_count": {
"type": "integer",
"maximum": 5,
"minimum": 0
}
},
"additionalProperties": false
}HUD Section 8 income limits (30%, 50%, 80%) by household size for a US ZIP code. Available on: PRO ($29/month, 5,000 calls), ULTRA ($99/month, 50,000 calls), MEGA ($299/month, 250,000 calls). Needs your own Glazed Data API key in the x-api-key header (create one at https://glazeddata.com/rent-limits/pricing/).
| Argument | Type | Description |
|---|---|---|
| fips | string | Optional HUD area or county code, when a ZIP spans several areas |
| zip_code* | string | 5-digit US ZIP code |
{
"type": "object",
"required": [
"zip_code"
],
"properties": {
"fips": {
"type": "string",
"description": "Optional HUD area or county code, when a ZIP spans several areas"
},
"zip_code": {
"type": "string",
"pattern": "^[0-9]{5}$",
"description": "5-digit US ZIP code"
}
},
"additionalProperties": false
}Tax-credit (LIHTC/MTSP) rent and income limits for a US ZIP code, all income tiers, with held-harmless limits by placed-in-service date. Available on: PRO ($29/month, 5,000 calls), ULTRA ($99/month, 50,000 calls), MEGA ($299/month, 250,000 calls). Needs your own Glazed Data API key in the x-api-key header (create one at https://glazeddata.com/rent-limits/pricing/).
| Argument | Type | Description |
|---|---|---|
| fips | string | Optional HUD area or county code, when a ZIP spans several areas |
| zip_code* | string | 5-digit US ZIP code |
| bedroom_count | any | Bedroom count 0-5, or "all" (default) |
| placed_in_service | string | YYYY-MM-DD or all |
{
"type": "object",
"required": [
"zip_code"
],
"properties": {
"fips": {
"type": "string",
"description": "Optional HUD area or county code, when a ZIP spans several areas"
},
"zip_code": {
"type": "string",
"pattern": "^[0-9]{5}$",
"description": "5-digit US ZIP code"
},
"bedroom_count": {
"oneOf": [
{
"enum": [
"all"
],
"type": "string"
},
{
"type": "integer",
"maximum": 5,
"minimum": 0
}
],
"description": "Bedroom count 0-5, or \"all\" (default)"
},
"placed_in_service": {
"type": "string",
"description": "YYYY-MM-DD or all"
}
},
"additionalProperties": false
}Voucher headroom against tax-credit rents and renter-household counts (HUD CHAS) for a ZIP. Available on: ULTRA ($99/month, 50,000 calls), MEGA ($299/month, 250,000 calls). Needs your own Glazed Data API key in the x-api-key header (create one at https://glazeddata.com/rent-limits/pricing/).
| Argument | Type | Description |
|---|---|---|
| fips | string | Optional HUD area or county code, when a ZIP spans several areas |
| tier | string | |
| zip_code* | string | 5-digit US ZIP code |
| bedroom_count | any | Bedroom count 0-5, or "all" (default) |
| placed_in_service | string |
{
"type": "object",
"required": [
"zip_code"
],
"properties": {
"fips": {
"type": "string",
"description": "Optional HUD area or county code, when a ZIP spans several areas"
},
"tier": {
"type": "string"
},
"zip_code": {
"type": "string",
"pattern": "^[0-9]{5}$",
"description": "5-digit US ZIP code"
},
"bedroom_count": {
"oneOf": [
{
"enum": [
"all"
],
"type": "string"
},
{
"type": "integer",
"maximum": 5,
"minimum": 0
}
],
"description": "Bedroom count 0-5, or \"all\" (default)"
},
"placed_in_service": {
"type": "string"
}
},
"additionalProperties": false
}We read every tool's name, description and inputs the way the model will, looking for instructions hidden from you. A clean result means no warning signs, not a guarantee. Scanned Nov 10, 2026.