Atlas entry

`twentyonemillion.art`

2 capabilities over MCP. The inventory is incomplete. First atlas observation.

Observed 4 Nov 2026, 01:01 UTC · passive: no tools called, no credentials sent · sha256:abe93a…652a

Surfaces

5 protocols checked

ARD	Not found	No document retrieved
A2A	invalid	0 skills
MCP	Valid	2025-11-25 · 2 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
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
failed
Exact state: invalid · 0 skills
InterfaceDelta retained the machine state “invalid” without assigning an additional meaning.
Not observed / not fetched
MCP
observed
Exact state: valid · Revision 2025-11-25 · 2 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

Capabilities

2 · inventory incomplete

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.

A2A skills 0+ observed

Inventory incomplete. The displayed count is a lower bound; missing items do not prove removal.

None recorded in this Passport.

MCP tools 2

claim_square
inputs handle, message
wall_status

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

Declared and observed

2 tools declare hints; the AI readings agree with all 0 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

4 Nov 2026, 01:01 UTC2 capabilities · MCP 2025-11-25 · MCP endpoint validFirst observation
Fingerprint and versions
Fingerprint
abe93a8262f80fb2663971871af92ec938ac8ccf43f6c314d076be28d7fd652a
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.

About this entry

io.github.21-million-wall/twentyone-million
Listed
Official MCP Registry · first listed 4 Nov 2026 · last listed 4 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: sha256:68c16c1d090f21664344e1034087c010b33ca9d08bef23d7c8480d82f08bc7aa
Locator SHA-256: 11d804061bcc2833bc73783a090951c44ae42ec48b1ab5f6d70f4d2bcb895c9e
Snapshot generated: 4 Nov 2026, 07:02 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.