Atlas entry

`commontape.com`

20 capabilities over A2A and MCP. The inventory is incomplete. First atlas observation.

Observed 11 Nov 2026, 02:05 UTC · passive: no tools called, no credentials sent · sha256:eb8f29…3dd5

20 capabilities, 10 of them tools. 4 only read. 4 change records, and 1 of those deletes or cancels. 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.

cancel is read as deleting or cancelling records.

modify is read as changing records.

book and hold are read as creating records.

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 deleting or cancelling.

Moves money
0
No tool read this way.
Deletes or cancels records
1 tool
- cancel0.88
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.

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

What changed

First atlas observation. Atlas history

Look first

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

cancelDeletes or cancels records · 0.88

Surfaces

5 protocols checked

ARD	invalid	1 retrieved artifact
A2A	Valid	1.0 · 10 skills
MCP	Valid	2025-11-25 · 10 tools · resources not advertised · prompts not advertised
OpenAPI	Not detected	0 operations
WebMCP	Not detected	0 declarative form tools · experimental

Exact states and meaning

ARD
failed
Exact state: invalid · Revision 0.9 draft · 1 retrieved artifact
InterfaceDelta retained the machine state “invalid” without assigning an additional meaning.
Not observed / not fetched
A2A
observed
Exact state: valid · Revision 1.0 · 10 skills
A usable protocol document was retrieved and validated.
Directly observed
MCP
observed
Exact state: valid · Revision 2025-11-25 · 10 tools · resources not advertised · 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

20 · inventory incomplete

Showing 20 of 20.

Tool and inputs							◇ AI reading, beta · confidence
Read as one of the six effects 1 AI only raises attention: these rows come first.
idempotency_key, reason, transaction_id◇ AIDeletes or cancels records 0.88		Deletes or cancels records 0.88					Deletes or cancels records0.88
`cancel` inputs `idempotency_key` (required), `reason`, `transaction_id` (required) AI Deletes or cancels records 0.88
Read as none of the six 7 Not a clearance.
customer, idempotency_key, transaction_id*							Creates records0.82
`book` inputs `customer` (required), `idempotency_key` (required), `transaction_id` (required) AI Creates records 0.82
merchant_slug*							Reads only0.82
`discover` inputs `merchant_slug` (required) AI Reads only 0.82
accept_price_up_to, allocation_id, idempotency_key, quote_token*							Creates records0.84
`hold` inputs `accept_price_up_to`, `allocation_id` (required), `idempotency_key` (required), `quote_token` (required) AI Creates records 0.84
idempotency_key, new_allocation_id, quote_token, transaction_id*							Changes records0.80
`modify` inputs `idempotency_key` (required), `new_allocation_id`, `quote_token` (required), `transaction_id` (required) AI Changes records 0.80
arrive_by, customer_ref, finish_by, id_to_security_hours_before and 10 more							Reads only0.84
`search` inputs `arrive_by`, `customer_ref`, `finish_by`, `id_to_security_hours_before` and 10 more AI Reads only 0.84
transaction_id*							Reads only0.87
`status` inputs `transaction_id` (required) AI Reads only 0.87
vertical							Reads only0.90
`taxonomy` inputs `vertical` AI Reads only 0.90
No counted reading 2 No reading was counted, so any effect is possible.
customer_ref, idempotency_key, inputs, merchant_slug* and 5 more	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`quote` inputs `customer_ref`, `idempotency_key`, `inputs`, `merchant_slug` (required) and 5 more
agent_name, contact_email, notify_url, owner_label*	unknown	unknown	unknown	unknown	unknown	unknown	No reading
`register` inputs `agent_name` (required), `contact_email` (required), `notify_url`, `owner_label` (required)
A2A skills 10 Not read by AI.
no inputs							Not read
`book` agentKey declared
no inputs							Not read
`cancel` agentKey declared
no inputs							Not read
`discover` agentKey declared
no inputs							Not read
`hold` agentKey declared
no inputs							Not read
`modify` agentKey declared
no inputs							Not read
`quote` agentKey declared
no inputs							Not read
`register` agentKey declared
no inputs							Not read
`search` agentKey declared
no inputs							Not read
`status` agentKey declared
no inputs							Not read
`taxonomy` agentKey declared

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

MCP resources 0+ observed

Inventory incomplete. MCP resources could not be fully inventoried: the ARD document was not valid, so declarations made there were not read.

None recorded in this Passport.

MCP prompts 0+ observed

Inventory incomplete. MCP prompts could not be fully inventoried: the ARD document was not valid, so declarations made there were not read.

None recorded in this Passport.

OpenAPI operations 0+ observed

Inventory incomplete. OpenAPI operations could not be fully inventoried: the ARD document was not valid, so declarations made there were not read.

None recorded in this Passport.

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, 02:05 UTC20 capabilities · A2A and MCP 2025-11-25 · MCP endpoint validFirst observation
Fingerprint and versions
Fingerprint
eb8f295773888e69d31d88662829fff60c7dddb50303938ba26f5c3af3183dd5
Passport schema
0.5.0, passport-semantic-v4
Consistency
MCP_PROMPTS_ADVERTISEMENT_LIST: not applicable · MCP_RESOURCES_ADVERTISEMENT_LIST: not applicable · 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

No tools declare hints.

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

About this entry

com.commontape/booking
Listed
Official MCP Registry · first listed 2 Nov 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:cff0242b03a62656e722616d044a14114be2d2287409916621ee6f9ec28e40c0
Locator SHA-256: 7bdfd9738304c8aae7409b5b4183a3f5b4d9f55c75bbc9c5be4f6b5276a2bc94
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, 02:05 UTC
Signed: 11 Nov 2026, 04:05 UTC

Protocols: A2A, MCP
Tools: 20
Declared sign-in: Other

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

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

What an agent can do here

What changed

Look first

Surfaces

Capabilities

MCP resources 0+ observed

MCP prompts 0+ observed

OpenAPI operations 0+ observed

Atlas history

Declared and observed

About this entry