Car Handshake

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Search and compare live vehicles from participating US and Canadian dealers outside Quebec.

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "Car Handshake": {
      "url": "https://mcp.carhandshake.com/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (10)

• shop_vehicles read-only

  Use for live US/CA cars/SUVs/trucks/EVs/motorcycles/RVs/trailers by place (near me), budget, mileage, make/model, condition, body, fuel, features, named dealer, or live-listing recommendation. Quebec excluded. Call once; never retry/refine/broaden. Fallback stays in-country; filters exact. Facts only; web only if asked. Named-dealer stock: find_dealerships then shop. Not repair/reliability/facts/MSRP/out-of-market, named-source, web-only, or no-app. Verbatim request; never ask for ZIP/postal.

  Parameters:

  • request (required) — string — Verbatim shopper request.
  • fuels — array
  • limit — integer
  • makes — array
  • trims — array
  • bodies — array
  • cursor — string
  • models — array
  • country — string — US default; CA supported outside Quebec.
  • sort_by — string — Default: relevance.
  • features — array — Classes: third_row, awd_4wd, tow_package, apple_carplay, android_auto, adaptive_cruise, leather, heated_seats, ev_range_200_plus.
  • statuses — array — Omit unless status is explicit; omission searches both available and intransit.
  • year_max — integer
  • year_min — integer
  • price_max — integer
  • price_min — integer
  • conditions — array
  • dealer_ids — array
  • drivelines — array
  • nationwide — boolean
  • mileage_max — integer
  • charge_ports — array
  • radius_miles — number — US miles; CA kilometres. Fallback widens geography only; filters remain exact.
  • location_text — string — Free-text city/place/state/postal exactly as the shopper supplied; never ask for a ZIP code.
  • transmissions — array
  • vehicle_types — array
  • dc_fast_charge — boolean
  • sort_direction — string
  • exterior_colors — array
  • interior_colors — array
  • electric_range_max — number
  • electric_range_min — number
  • displacement_cc_max — integer
  • displacement_cc_min — integer

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• get_vehicle read-only

  For full detail, pass exact shop_vehicles listing_id; returns dealer.dealer_id.

  Parameters:

  • listing_id (required) — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• search read-only

  Citation only; never shopping/detail/compare. Search once, then fetch exact IDs.

  Parameters:

  • query (required) — string — Vehicle-shopping query, verbatim.

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• fetch read-only

  Citation only after search; never shopping/detail. Fetch one exact ID.

  Parameters:

  • id (required) — string — Exact listing ID returned by search.

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• compare_vehicles read-only

  Only for explicit comparison: after exactly one shop_vehicles call, pass 2-4 distinct returned listing IDs. Never search or shop again.

  Parameters:

  • listing_ids (required) — array — 2-4 exact IDs returned by shop_vehicles.
  • priorities — array — Shopper priorities, up to eight.

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• find_dealerships read-only

  Use this once to find dealerships by name/place with IDs, addresses, and listing counts. Named stock: one shop_vehicles call with a returned dealer_id. For contacts or sales/service hours: get_dealership once.

  Parameters:

  • limit — integer
  • query — string
  • country — string — US default; CA for Canada. Quebec excluded.
  • location — string — Place or postal text exactly as supplied.

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• get_dealership read-only

  Use this with an exact dealer_id to return every public rooftop, contact, site, capability, and named sales/service schedule.

  Parameters:

  • dealer_id (required) — string

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• schedule_test_drive destructive

  After explicit consent and confirmation, request a test drive for this listing.

  Parameters:

  • listing_id (required) — string — Exact listing_id from prior results.
  • first_name (required) — string — First name.
  • last_name (required) — string — Last name.
  • consent_text (required) — string — Accepted consent words; never fabricate consent.
  • allowed_channels (required) — array — Consent channels.
  • consent_granted_at (required) — string — Consent timestamp (RFC 3339).
  • idempotency_key (required) — string — Unique retry key.
  • email — string — Email (or phone required).
  • phone — string — E.164 phone (or email required).
  • dry_run — boolean — Validate with no dealer contact.
  • message — string — Dealer note.
  • appointment_at — string
  • preferred_contact — string

  Hints: read-only no · destructive yes · idempotent yes · open-world yes

• request_trade_in_appraisal destructive

  After explicit consent and confirmation, request a trade-in appraisal for this listing.

  Parameters:

  • listing_id (required) — string — Exact listing_id from prior results.
  • first_name (required) — string — First name.
  • last_name (required) — string — Last name.
  • trade_in_year (required) — integer
  • trade_in_make (required) — string
  • trade_in_model (required) — string
  • consent_text (required) — string — Accepted consent words; never fabricate consent.
  • allowed_channels (required) — array — Consent channels.
  • consent_granted_at (required) — string — Consent timestamp (RFC 3339).
  • idempotency_key (required) — string — Unique retry key.
  • email — string — Email (or phone required).
  • phone — string — E.164 phone (or email required).
  • dry_run — boolean — Validate with no dealer contact.
  • message — string — Dealer note.
  • trade_in_trim — string
  • trade_in_mileage — integer
  • preferred_contact — string
  • trade_in_condition — string

  Hints: read-only no · destructive yes · idempotent yes · open-world yes

• submit_vehicle_inquiry destructive

  After explicit consent and confirmation, send this listing's dealer a question.

  Parameters:

  • listing_id (required) — string — Exact listing_id from prior results.
  • first_name (required) — string — First name.
  • last_name (required) — string — Last name.
  • message (required) — string — Dealer note.
  • consent_text (required) — string — Accepted consent words; never fabricate consent.
  • allowed_channels (required) — array — Consent channels.
  • consent_granted_at (required) — string — Consent timestamp (RFC 3339).
  • idempotency_key (required) — string — Unique retry key.
  • email — string — Email (or phone required).
  • phone — string — E.164 phone (or email required).
  • dry_run — boolean — Validate with no dealer contact.
  • preferred_contact — string

  Hints: read-only no · destructive yes · idempotent yes · open-world yes

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Measured by MCPYP probing. Untested fields are omitted, never estimated. Listing is always free; MCPYP never proxies calls or stores user tokens.