Atlas entry

`mcp.deducepuzzles.com`

4 capabilities over MCP. First atlas observation.

Observed 3 Nov 2026, 04:01 UTC · passive: no tools called, no credentials sent · sha256:127548…9dd3

Capability facts

As observed from outside, at the time below

Observed: 3 Nov 2026, 04:01 UTC
Signed: 3 Nov 2026, 21:05 UTC

Protocols: MCP
Tools: 3
Declared sign-in: None declared

Effects counted AI readings, beta

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

3 tools examined; 1 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

Surfaces

5 protocols checked

ARD	Not found	No document retrieved
A2A	Not found	0 skills
MCP	Valid	2025-11-25 · 3 tools · 1 resource · 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 2025-11-25 · 3 tools · 1 resource · 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

Capabilities

4 · inventory complete

Summary of the AI readings · beta

The service lists 3 capabilities, and 1 has AI readings.

get_daily_puzzle is read as creating records.

Rows named: get_daily_puzzle

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

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.

MCP tools 3

get_daily_puzzle
inputs attemptId, kind, playerToken
AI Creates records 0.80
get_hint
inputs attemptId (required), playerToken
submit_attempt
inputs arrangement (required), attemptId (required), playerToken

MCP resources 1

name not shown

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

Declared and observed

3 tools declare hints; the AI readings agree with all 1 that have a reading.

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

Atlas history

1 observation

3 Nov 2026, 04:01 UTC4 capabilities · MCP 2025-11-25 · MCP endpoint validFirst observation
Fingerprint and versions
Fingerprint
127548d8dab6806d04dc0e4e58a25c7eae3a09b7f2c6ad99e4cf07d53f439dd3
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.

About this entry

com.deducepuzzles/daily-puzzle
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: sha256:57d45b28e65ff12376afff863555caf5e6cf12912eedeec1fda0ee90a36a08c2
Locator SHA-256: 19861d877f8e3389cbc55f7d4995a022e601024590ec6c087e49812a17a18174
Snapshot generated: 4 Nov 2026, 00:59 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.