A row of cartoony Ann Arbor houses telling their permit-history stories

🏠 A2 Property 411

Every Ann Arbor parcel has a story.

Type any address — we'll pull its full dossier in seconds. Permit history, ownership timeline, era-by-era renovation chronicle, all woven into one shareable page.

Tip: just street number + name is enough. We'll handle the rest.

Don't know the exact address? Open the map →

How was this built?

Combines deterministic permit lookups (Ann Arbor's A2Trak legacy system + the STREAM portal) with Anthropic's Haiku 4.5 to weave the narrative. Every permit number above links to the original city record.

Use this in your AI chat

The same data is exposed as MCP tools. Connect any MCP-compatible chat client and ask questions in plain language.

Claude.ai (Custom Connectors)

Settings → Custom Connectors → Add custom connector
URL: https://streamscape.rightspeed.workers.dev/sse
Try: "Find precedents for a 3 ft side-yard variance" or "Look up permit BLDG22-0572"

ChatGPT Plus (Dev Mode)

Settings → Connectors → Add MCP server
URL: https://streamscape.rightspeed.workers.dev/sse

Other MCP clients (Cursor, Cline, Continue, etc.)

SSE endpoint: https://streamscape.rightspeed.workers.dev/sse — no authentication.

What else can it do?

find_precedents — "Has the city ever approved a 3-ft side-yard variance?" Searches both STREAM (post-2023) and A2Trak (pre-2023) and groups results by disposition.
search_records — Plain keyword/address search over current STREAM records.
search_legacy_records — Same but for pre-2023 A2Trak records (5 record types: permit / project / property / contractor / license).
get_legacy_record — Full detail of a specific A2Trak record (contacts, fees, inspections, attachments).