Atlas entry

`mcp.viafrei.de`

43 capabilities over MCP. First atlas observation.

Observed 4 Nov 2026, 21:05 UTC · passive: no tools called, no credentials sent · sha256:97a25d…5ffc

43 capabilities, 24 of them tools. 22 only read. 2 change records, and 1 of those deletes or cancels.

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 summary · beta

Of 24 capabilities, 22 are read as reading only, including find_nearby and get_departures.

1 capability, watch_situation, is read as creating records.

1 capability, stop_watch, is read as deleting or cancelling records.

Written by claude-haiku-5.5 from the tool names and the readings on this page, then checked against them. It can still be wrong; it never lowers or hides a fact.

What an agent can do here

AI readings, beta · Readings on 24 of 24 MCP tools. 1 reads as deleting or cancelling.

Moves money
0
No tool read this way.
Deletes or cancels records
1 tool
- stop_watch0.85
Sends messages to people
0
No tool read this way.
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.

What changed

First atlas observation. Atlas history

Look first

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

stop_watchDeletes or cancels records · 0.85

Surfaces

5 protocols checked

ARD	Not found	No document retrieved
A2A	Not found	0 skills
MCP	Valid	2025-11-25 · 24 tools · 10 resources · 9 prompts
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 2025-11-25 · 24 tools · 10 resources · 9 prompts
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

43 · inventory complete

Showing 43 of 43.

Tool and inputs		◇ AI reading, beta · confidence
Read as one of the six effects 1 AI only raises attention: these rows come first.
key, kind, language, uri and 1 more◇ AIDeletes or cancels records 0.85	Deletes or cancels records 0.85	Deletes or cancels records0.85
`stop_watch` inputs `key`, `kind`, `language`, `uri` and 1 more AI Deletes or cancels records 0.85
Read as none of the six 23 Not a clearance.
cursor, kinds, land, language and 6 more		Reads only0.90
`check_autobahn_traffic` inputs `cursor`, `kinds`, `land`, `language` and 6 more AI Reads only 0.90
horizon_days, language, lat, limit and 4 more		Reads only0.88
`check_road_status` inputs `horizon_days`, `language`, `lat`, `limit` and 4 more AI Reads only 0.88
eva_no, facility, language, limit and 1 more		Reads only0.87
`check_station_facilities` inputs `eva_no`, `facility`, `language`, `limit` and 1 more AI Reads only 0.87
language, lat, lon, region and 1 more		Reads only0.88
`check_transit_disruption` inputs `language`, `lat`, `lon`, `region` and 1 more AI Reads only 0.88
language, lat, lon, min_level and 1 more		Reads only0.90
`check_weather_warnings` inputs `language`, `lat`, `lon`, `min_level` and 1 more AI Reads only 0.90
language, lat, lon		Reads only0.85
`describe_location` inputs `language`, `lat` (required), `lon` (required) AI Reads only 0.85
departures, eva_no, language, station		Reads only0.85
`describe_station` inputs `departures`, `eva_no`, `language`, `station` AI Reads only 0.85
language, limit, query*		Reads only0.84
`find_address` inputs `language`, `limit`, `query` (required) AI Reads only 0.84
conditions, connector, language, lat and 8 more		Reads only0.88
`find_charging_station` inputs `conditions`, `connector`, `language`, `lat` and 8 more AI Reads only 0.88
fuel, language, lat, limit and 3 more		Reads only0.92
`find_cheapest_fuel` inputs `fuel`, `language`, `lat`, `limit` and 3 more AI Reads only 0.92
brand, fuel, language, lat and 9 more		Reads only0.85
`find_fuel_station` inputs `brand`, `fuel`, `language`, `lat` and 9 more AI Reads only 0.85
language, lat, limit, lon and 3 more		Reads only0.80
`find_hydrogen_station` inputs `language`, `lat`, `limit`, `lon` and 3 more AI Reads only 0.80
categories, language, lat, lon and 2 more		Reads only0.90
`find_nearby` inputs `categories`, `language`, `lat`, `lon` and 2 more AI Reads only 0.90
facilities, kind, language, lat and 6 more		Reads only0.90
`find_parking` inputs `facilities`, `kind`, `language`, `lat` and 6 more AI Reads only 0.90
kind, language, lat, limit and 4 more		Reads only0.88
`find_place` inputs `kind`, `language`, `lat`, `limit` and 4 more AI Reads only 0.88
category, cursor, in, language and 6 more		Reads only0.87
`find_poi` inputs `category`, `cursor`, `in`, `language` and 6 more AI Reads only 0.87
from, language, limit, place and 2 more		Reads only0.88
`find_roadworks_ahead` inputs `from`, `language`, `limit`, `place` and 2 more AI Reads only 0.88
language, lat, limit, lon and 3 more		Reads only0.88
`find_sharing` inputs `language`, `lat`, `limit`, `lon` and 3 more AI Reads only 0.88
language, lat, limit, lon and 2 more		Reads only0.85
`find_speed_cameras` inputs `language`, `lat`, `limit`, `lon` and 2 more AI Reads only 0.85
duration_min, language, lat, limit and 6 more		Reads only0.92
`get_departures` inputs `duration_min`, `language`, `lat`, `limit` and 6 more AI Reads only 0.92
city, language, lat, lon and 2 more		Reads only0.92
`get_driving_rules` inputs `city`, `language`, `lat`, `lon` and 2 more AI Reads only 0.92
categories, duration_min, eva_no, language and 3 more		Reads only0.90
`get_train_departures` inputs `categories`, `duration_min`, `eva_no`, `language` and 3 more AI Reads only 0.90
condition, hours, key, kind and 3 more		Creates records0.80
`watch_situation` inputs `condition`, `hours`, `key` (required), `kind` (required) and 3 more AI Creates records 0.80
MCP resources 10 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`
no inputs		Not read
`name not shown`
no inputs		Not read
`name not shown`
no inputs		Not read
`name not shown`
no inputs		Not read
`name not shown`
no inputs		Not read
`name not shown`
no inputs		Not read
`name not shown`
no inputs		Not read
`name not shown`
MCP prompts 9 Not read by AI.
no inputs		Not read
`compare_travel_options`
no inputs		Not read
`explain_this_coordinate`
no inputs		Not read
`find_a_place`
no inputs		Not read
`plan_arrival_parking`
no inputs		Not read
`plan_commute`
no inputs		Not read
`plan_departure`
no inputs		Not read
`plan_fuel_stop`
no inputs		Not read
`plan_local_errand`
no inputs		Not read
`prepare_car_trip`

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, 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

4 Nov 2026, 21:05 UTC43 capabilities · MCP 2025-11-25 · MCP endpoint validFirst observation
Fingerprint and versions
Fingerprint
97a25d695b91f0f21303d7206fda56f91a53bb9fa00140bb6e79d6f5b02b5ffc
Passport schema
0.5.0, passport-semantic-v4
Consistency
MCP_PROMPTS_ADVERTISEMENT_LIST: match · 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

stop_watch
Declared
The publisher declares it non-destructive.
Read
AI · beta The AI reading: deletes or cancels records (0.85).

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

About this entry

de.viafrei/mcp
Listed
Official MCP Registry · first listed 3 Nov 2026 · last listed 3 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: sha256:05f649968b5e55f126808fc07f4f733a53b0cab2c0b5703c1edd39c50075ab0e
Locator SHA-256: 79d184ace10e295e8a353b137d92862b702b6c7a264edb8eb16d6111a174c0e7
Snapshot generated: 5 Nov 2026, 00:16 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: 4 Nov 2026, 21:05 UTC
Signed: 4 Nov 2026, 22:54 UTC

Protocols: MCP
Tools: 24
Declared sign-in: None declared

Effects counted AI readings, beta

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

24 tools examined; 24 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: 1
Declared closed-world, read as reaching out: 0

Change since previous: First observation
Label status: Current