PermitStack
Search U.S. building permits, property histories, and contractor records from public city and county data.
Access building permits, permit histories by address, and contractor information from U.S. city and county records. Search by location, category, status, date range, estimated value, or contractor name. Look up individual permits or full property permit timelines.
Try asking Muse: "Show me all roofing permits issued in Austin, Texas in the last year and which contractors pulled them."
See the most upvoted connectors
Source: Found in the official MCP Registry (com.permit-stack/permits) · First listed October 29, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 2 h ago.
Is it safe to connect?
What Muse can see: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
musedirectory.ai is not part of Meta. More about how Muse handles your information
How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://mcp.permit-stack.com/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Also use it in ChatGPT or Claude
PermitStack is a remote MCP server, so any assistant that can add a custom connector by link can use it. Same link, same tools.
Add it to ChatGPT
- 1
Open ChatGPT settings
In ChatGPT, open Settings, then Connectors (called Apps & Connectors on some accounts).
- 2
Turn on developer mode
Under Advanced settings, switch on Developer mode. That is what lets you add a connector by link.
- 3
Create the connector
Choose Create, give it a name, paste the link as the MCP server URL, and save. If it needs a sign-in, ChatGPT asks for it here.
- 4
Use it in a chat
Start a chat, open the tools menu, pick the connector, and ask. ChatGPT asks before it runs a tool the first time.
Custom connectors need a paid ChatGPT plan, and on Team, Enterprise and Edu accounts only an admin can add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in ChatGPT
Add it to Claude
- 1
Open Claude settings
In Claude, open Settings, then Connectors.
- 2
Add a custom connector
Choose Add custom connector, give it a name, and paste the link.
- 3
Connect and use it
If it needs a sign-in, Claude sends you to it. Then turn the connector on in a chat from the tools menu and ask.
Custom connectors are available on paid Claude plans; on Team and Enterprise accounts an admin may need to add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in Claude
https://mcp.permit-stack.com/mcpWhat people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 1281ms. Worked in n/a of checks over 30 days.
Screening · October 29, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 6
search_permitsSearch U.S. building permits by location (city, state, ZIP code, or a lat/lng radius), category, status, property type, filing or issue date range, estimated project value, contractor name, or free text. Returns up to 25 permits per call with address, dates, category, status, estget_permitLook up a permit by the permit number assigned by the issuing jurisdiction, optionally narrowed by city and state. The number is matched exactly (ignoring case), and the same number can exist in several jurisdictions, so up to 5 matching permits are returned; give the city or staget_property_historyPermit history for one property, looked up by street address (house number and street name, e.g. '123 Main St'). Optional city, state and ZIP narrow the match when the same street address exists in several places. Returns a property profile (permit timeline, category breakdown, csearch_contractorsSearch contractors by name, city, state or specialty. Returns up to 25 contractors per call with the contractor UUID, name, licence number and licence state, home city and state, total permit count, first and last permit dates, specialties and activity score (0-100), sorted by acget_contractor_permitsList the permits pulled by one contractor, identified by the contractor UUID from search_contractors. Returns up to 25 permits per page with the contractor's work history fields (dates, categories, values). Results carry no property owner name, owner mailing address or permit appget_coverageDescribe PermitStack's coverage: total permits, jurisdictions (active, archive, frozen) and states. On a signed-in connection it also lists covered jurisdictions with their permit counts, county and `data_through` (the date of the newest permit held), filterable by state and by nLink
https://mcp.permit-stack.com/mcpQuestions about PermitStack in Muse
How do I connect PermitStack to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use PermitStack to help me. It is a free service with an MCP server at https://mcp.permit-stack.com/mcp. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is PermitStack working right now?
At the last check (October 29, 2026, 21:26 UTC) the endpoint was working, answering in 1281ms. It is checked every 15 minutes.
Is PermitStack safe to connect to Muse?
It was screened on October 29, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can PermitStack do in Muse?
It exposes 6 tools, including search_permits, get_permit, get_property_history, search_contractors. For example, you could ask Muse: "Show me all roofing permits issued in Austin, Texas in the last year and which contractors pulled them."
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Is this yours?
This listing was added from public sources (Found in the official MCP Registry (com.permit-stack/permits)). If you build PermitStack, claim it to correct the details and get your badge.
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<a href="https://musedirectory.ai/connector/permitstack"><img src="https://musedirectory.ai/badge/permitstack.svg" alt="PermitStack on musedirectory.ai" width="236" height="40"></a>