Atlas entry

`arena-predictions.com`

62 capabilities over MCP 2025-11-25. First atlas observation.

Observed 11 Nov 2026, 09:05 UTC · passive: no tools called, no credentials sent

Capability facts

As observed from outside, at the time below

Observed: 11 Nov 2026, 09:05 UTC
Signed: 11 Nov 2026, 12:05 UTC

Protocols: MCP
Tools: 30
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

30 tools examined; 26 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

Atlas history

1 observation

11 Nov 2026, 09:05 UTC62 capabilities · MCP 2025-11-25 · MCP endpoint truncated · 1 incomplete inventory groupFirst observation
Fingerprint and versions
Fingerprint
6e65caa46b967c51f9f87001bf356059fe5d5ceb3316d19f4750911cb630e4f2 (incomplete)
Passport schema
0.5.0, passport-semantic-v4
Consistency
MCP_PROMPTS_ADVERTISEMENT_LIST: indeterminate · 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

Tool declarations are unavailable for this entry.

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

About this entry

com.arena-predictions/arena
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:d9231a3a14699850a2874edbe16915bc063eafeedffc9cecfc4d4dba147dd5a1
Locator SHA-256: b72623a88a7cd2e2b7b664b45ee790cf961c49ee194a0b3337996fa5ba9df595
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.