Atlas entry

`mcp.carhandshake.com`

13 capabilities over MCP. First atlas observation.

Observed 11 Nov 2026, 01:02 UTC · passive: no tools called, no credentials sent · sha256:55abfb…149d

13 capabilities, 10 of them tools. 7 only read. 1 sends messages. 2 have no reading.

AI reading, beta. side-effects v1 on claude-haiku-5.5, calibrated on MCP (golden-3). Only readings above a measured precision count. Counts are tools, not calls: no tool was called.

AI readings summary · beta

The service lists 10 tools, and 8 have AI readings.

submit_vehicle_inquiry is read as sending messages to people.

7 tools are read as read-only, including compare_vehicles, fetch and get_dealership.

Written by code from the AI readings on this page: it groups them and says nothing they do not.

What an agent can do here

AI readings, beta · Readings on 8 of 10 MCP tools. 1 reads as sending messages.

Moves money
0
No tool read this way.
Deletes or cancels records
0
No tool read this way.
Sends messages to people
1 tool
- submit_vehicle_inquiry0.85
Changes permissions
0
No tool read this way.
Runs code
0
No tool read this way.
Should ask a person first
0
No tool read this way.

No counted reading 2 tools No reading was counted, so any effect above is possible for them: request_trade_in_appraisal, schedule_test_drive.

What changed

First atlas observation. Atlas history

Look first

AI reading, beta: AI adds items here; it never removes one.

submit_vehicle_inquirySends messages to people · 0.85

Surfaces

5 protocols checked

ARD	Not found	No document retrieved
A2A	Not found	0 skills
MCP	Valid	2026-07-28 · 10 tools · 3 resources · prompts not advertised
OpenAPI	Not detected	0 operations
WebMCP	Not detected	0 declarative form tools · experimental

Exact states and meaning

ARD
absent
Exact state: not found · No document retrieved
The supported discovery location returned no matching document.
Not found does not prove the service exposes no such interface elsewhere.
Not observed / not fetched
A2A
absent
Exact state: not found · 0 skills
The supported discovery location returned no matching document.
Not found does not prove the service exposes no such interface elsewhere.
Not observed / not fetched
MCP
observed
Exact state: valid · Revision 2026-07-28 · 10 tools · 3 resources · prompts not advertised
A usable protocol document was retrieved and validated.
Directly observed
OpenAPI
absent
Exact state: not detected · 0 operations
No endpoint was established from the evidence and scope that InterfaceDelta inspected.
Not detected does not prove that no endpoint exists.
Not observed / not fetched
WebMCP
absent
Exact state: not detected · 0 declarative form tools · experimental
No named declarative WebMCP form tools were observed in the origin root HTML.
Script-registered tools and other pages are not observed, so this does not mean the site has no WebMCP tools.
Not observed / not fetched

13 · inventory complete

Showing 13 of 13.

Tool and inputs							◇ AI reading, beta · confidence
Read as one of the six effects 1 AI only raises attention: these rows come first.
allowed_channels, consent_granted_at, consent_text*, dry_run and 8 more◇ AISends messages to people 0.85			Sends messages to people 0.85				Sends messages to people0.85
`submit_vehicle_inquiry` inputs `allowed_channels` (required), `consent_granted_at` (required), `consent_text` (required), `dry_run` and 8 more AI Sends messages to people 0.85
Read as none of the six 7 Not a clearance.
listing_ids*, priorities							Reads only0.84
`compare_vehicles` inputs `listing_ids` (required), `priorities` AI Reads only 0.84
id*							Reads only0.85
`fetch` inputs `id` (required) AI Reads only 0.85
country, limit, location, query							Reads only0.87
`find_dealerships` inputs `country`, `limit`, `location`, `query` AI Reads only 0.87
dealer_id*							Reads only0.91
`get_dealership` inputs `dealer_id` (required) AI Reads only 0.91
listing_id*							Reads only0.90
`get_vehicle` inputs `listing_id` (required) AI Reads only 0.90
query*							Reads only0.86
`search` inputs `query` (required) AI Reads only 0.86
bodies, charge_ports, conditions, country and 30 more							Reads only0.90
`shop_vehicles` inputs `bodies`, `charge_ports`, `conditions`, `country` and 30 more AI Reads only 0.90
No counted reading 2 No reading was counted, so any effect is possible.
allowed_channels, consent_granted_at, consent_text*, dry_run and 14 more	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`request_trade_in_appraisal` inputs `allowed_channels` (required), `consent_granted_at` (required), `consent_text` (required), `dry_run` and 14 more
allowed_channels, appointment_at, consent_granted_at, consent_text* and 9 more	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`schedule_test_drive` inputs `allowed_channels` (required), `appointment_at`, `consent_granted_at` (required), `consent_text` (required) and 9 more
MCP resources 3 Not read by AI.
no inputs							Not read
`name not shown`
no inputs							Not read
`name not shown`
no inputs							Not read
`name not shown`

Read as this effect No reading: unknown Not read as this effect◇ AI readings, beta. A zero is a count, not a clearance.

Not observed in this Passport: A2A skills, MCP prompts, OpenAPI operations.

The atlas shows each capability by its plain identifier, inputs and declared sign-in. Publisher descriptions, paths, links and source evidence are not published here.

The comparison with the previous observation is shown only to the account that recorded it.

Atlas history

1 observation

11 Nov 2026, 01:02 UTC13 capabilities · MCP 2026-07-28 · MCP endpoint validFirst observation
Fingerprint and versions
Fingerprint
55abfb3f5f0678412c23a4e439e9367b1b2ce2a193bf7b4560750121aa25149d
Passport schema
0.5.0, passport-semantic-v4
Consistency
MCP_PROMPTS_ADVERTISEMENT_LIST: not applicable · MCP_RESOURCES_ADVERTISEMENT_LIST: match · MCP_TOOLS_ADVERTISEMENT_LIST: match · OPENAPI_MCP_EXPLICIT_MAPPING: not applicable

Each class compares an observation with the previous atlas observation. Runs of unchanged observations are grouped. Struck values are what the previous observation recorded; inserted values are what this one recorded.

Declared and observed

10 tools declare hints; the AI readings agree with all 8 that have a reading.

A disagreement is not a finding about the service: either side can be wrong. How we compare declarations and readings.

About this entry

com.carhandshake/inventory
Listed
Official MCP Registry · first listed 18 Sep 2026 · last listed 2 Nov 2026

Passive observations of a public interface listed in the Official MCP Registry. An observation does not verify security, ownership or compliance, and InterfaceDelta assigns no scores or rankings. Methodology · Report an inaccuracy · Ask for removal

Identity and snapshot

Target key: sha256:8e2479cafa6b94d4c317477aa641f9ec12fc6e18da18eafbba31c9186509cd0f
Locator SHA-256: 5f3676384c1debe8833323a003e3cfe9cc4fcd9541f754024c861f6f7b938301
Snapshot generated: 11 Nov 2026, 22:36 UTC

The entry is one exact observed target, not a real-world service identity, and implies no ownership. Endpoint paths are not published; the locator hash lets an operator confirm their own URL.

Capability facts

As observed from outside, at the time below

Observed: 11 Nov 2026, 01:02 UTC
Signed: 11 Nov 2026, 01:21 UTC

Protocols: MCP
Tools: 10
Declared sign-in: None declared

Effects counted AI readings, beta

Moves money: 0
Deletes or cancels records: 0
Sends messages to people: 1
Changes permissions: 0
Runs code: 0
Asks a person: 0

10 tools examined; 8 counted above a measured threshold.

Declared vs read disagreements

Declared read-only, read as writing: 0
Declared destructive, read as not writing: 0
Declared non-destructive, read as deleting: 0
Declared closed-world, read as reaching out: 0

Change since previous: First observation
Label status: Current