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WeatherMCP serverFirst audited Nov 13, 2026

com.arcaneforecasting/world-sense

Read-only live geopolitical-risk sensing for agents. ARCANE notices; never forecasts or advises.The vendor's description, from its MCP Registry listing.

Passed, with 1 warningAudited Nov 13, 2026
  • Warning: 10 of 10 tools do not say whether they can change things.

Nothing failed, but there is something to know or fix. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?
YesConnected in 270 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
Doesn't sayIts tools do not say whether they only read, so treat them as able to change things.
Endpointhttps://mcp.arcaneforecasting.com/mcp

Source code Website Streamable HTTP · protocol 2025-06-18 · server version 0.1.0

What we checked, the evidence, and the tools it offers.

What we checked

Security

  • Passed: Connections are encrypted (HTTPS).

  • Passed: No hidden instructions found in tool text.

Safety labels

  • Warning: 10 of 10 tools do not say whether they can change things.

    MCP lets a server label each tool as read-only or destructive, so clients can ask the user before risky calls. Unlabelled tools are treated as able to change things.

    • arcane_overview
    • arcane_deltas
    • arcane_domain
    • arcane_bilateral
    • arcane_data_streams
    • arcane_score_tree
    • arcane_trigger_chains
    • arcane_tracker
    • and 2 more

Tools

  • Passed: 10 tools listed.

  • Passed: Every tool describes its inputs with a valid schema.

Protocol

  • Note: Protocol version 2025-06-18.

  • Passed: The MCP handshake works (Streamable HTTP).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (10)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

  • arcane_overviewCurrent ARCANE overview: Combined Threat Score, per-domain risk rows, cascade state, and cross-domain gauges as observed now. ARCANE NOTICES the present; it does not predict or advise. Check as_of/st…Doesn't say
  • arcane_deltasWhat changed since yesterday across ARCANE's domains and primary-source senses (observed diffs only). Grounding-sense items fire once at onset then go quiet, so absence of an item is not calm. Check…Doesn't say
  • arcane_domainDrill-down for one domain: observed risk/momentum series, current-state regime posterior, and news-coverage theme cards (coverage unusualness, not truth or importance). ARCANE NOTICES the present; it…Doesn't say
  • arcane_bilateralObserved bilateral signal-intensity across seven tracked country pairs (volume and tone indices, plus an observed escalation stage). An index of observed intensity between the pair, not a prediction…Doesn't say
  • arcane_data_streamsLatest observations from ARCANE's primary-source physical senses (energy stocks, fires, sanctions, GPS interference, outages, and more) with provider, cadence, and attribution. Observed levels only;…Doesn't say
  • arcane_score_treeHow the Combined Threat Score is composed: per-domain roll-ups, applied premiums, and the design weights behind them, each carrying a live/config provenance tag. Weights are design configuration, not…Doesn't say
  • arcane_trigger_chainsObserved multi-stage trigger-chain state for five domains (stage activation, z-scores, and chain health). Descriptive state only, not a forecast; the chains were repaired 2026-07-02 and not yet exerc…Doesn't say
  • arcane_trackerARCANE's live scenario tracker: for each pre-registered scenario, where the world is on its branching map — checkpoint COMPLETION as N/M (confirming signals fired of total), a direction of resemblanc…Doesn't say
  • arcane_system_statusFreshness of every public ARCANE key: push time, source as_of, and stale flag. Call this before treating any reading as current.Doesn't say
  • arcane_capabilitiesWhat ARCANE's public World-Sense serves and what it explicitly does NOT serve, plus per-stream validation notes. ARCANE NOTICES present-state geopolitical risk from primary-source senses; it does not…Doesn't say

Audit history

  1. Nov 13Warnings

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

RequestAnswerTime
initializeHTTP 200270 ms
initializedHTTP 20236 ms
tools/listHTTP 200197 ms
unknown-methodHTTP 20040 ms

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