In-depth architectural comparison of the NDI MCP Server and Compass MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
NDI MCP Server
Real Estate · Local stdio
Quality: 35/100 (Fair) | Auth: No auth required
Compass MCP
Real Estate · Local stdio
Quality: 56/100 (Good) | Auth: No auth required
Verdict Summary: Choose NDI MCP Server if you need specialized Real Estate tools running via a local process. Choose Compass MCP if your workspace requires Real Estate integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose NDI MCP Server when:
You need dedicated capabilities in the Real Estate domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
NDI MCP Server is categorized under Real Estate and uses a local stdio subprocess. In contrast, Compass MCP belongs to Real Estate using local stdio subprocess. Select NDI MCP Server when you need capabilities focused on real estate and Compass MCP when you require tools for real estate.
Submarket profile: cap rates, comp velocity, score dist
get_oz_deals
Opportunity Zone deals + OZ+1031 crossover flags
batch_score_deals
Score up to 10 deals in one call
+1 more tools listed on main page
Compass MCP Tools (10)
compass_search_properties
Search listings by location, price band, beds, home type. Slugifies free-text into Compass's URL routing and extracts the SSR listings array.
compass_get_property
Full record for a property by URL or `listing_id_sha`. Address, neighborhood, beds/baths, sqft, lot, price + $/sqft, monthly charges, MLS status, amenities, schools, parcel number.
compass_get_property_photos
Full photo gallery — every image in `listing.media[]` with original + thumbnail URLs and pixel dimensions. Floorplans/other media gated behind `include_all_categories`.
compass_get_price_history
Full listing-history events (Listed / Sold / Pending / Price Change / Delisted) with date, price, status, and MLS attribution. Returns both this-listing and prior-listing aggregates.
compass_compare_properties
Side-by-side comparison of up to 25 properties with an opt-in aligned summary table. Per-target errors captured per-row. Concurrent fetches.
compass_calculate_affordability
Local affordability calculator — max purchase price from income + DTI + rates. No network.
compass_get_by_address
Resolve a free-text street address to the canonical Compass URL, `listing_id_sha`, and `pid` in one call. Returns `{ resolved: false, error: "no listing found" }` rather than throwing when there is no match.
compass_calculate_mortgage
Local PITI calculator — principal+interest, taxes, insurance, HOA, PMI. No network.
compass_get_saved_homes
Not yet supported** — Compass renders /overview/favorites via auth-scoped GraphQL we have not yet identified. Throws a clear "not yet wire" error.
compass_get_saved_searches
Not yet supported** — same constraint as saved homes.