Upside Down Research, LLC · Est. MMXXIII A little different look at the world
Housecarl Arbiter
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Housecarl Arbiter · Formal reasoning engine

Decisions you can defend.

Analyst upgrades collide with insider sells. Earnings beat, guidance drops. Arbiter weighs every source by reliability and recency, fuses contradictory claims into a single scored verdict, and shows you exactly where the uncertainty lives.

No gut calls. No vibes. The reasoning is on the record.

0.72
Fused confidence
23→4
Claims fused
100%
Decisions audited
The capability set

Source-weighted fusion

Every source carries a reliability score. A filing outweighs an anonymous tweet; conflicts of interest are discounted automatically.

Contradiction detection

See where analysts actually disagree — every coherent interpretation, who supports it, and how confident you should be.

Temporal decay

Claims lose weight as they age. Stale rumors don't pollute a live thesis.

A full audit trail

Every claim has a source, a score, and a timestamp. Retrace the reasoning after the decision.

Available via API and MCP — connect from Claude, ChatGPT, or any agent. No CLI required.