Crosswire — Polymarket & Kalshi Arbitrage by crosswire-api.com
MCP server · indexed, not reviewed
Hostedvendor's own
Not reviewed
No score, grade or rank. This listing is facts from the official MCP registry and our own checks, and it stays out of the rankings until the panel reviews it.
Cross-venue Polymarket+Kalshi arbitrage: resolution mismatch, void risk & settlement divergence.
Facts
- MCP registry
com.crosswire-api/crosswire-polymarket-kalshi-arbitrage· 0.6.2- Endpoint
https://api.crosswire-api.com/mcp- Website
- crosswire-api.com
- GitHub stars
- 1
- Registry entry
- updated 21 Jun 2026
From the official MCP registry, the package registries and our own checks. JSON · Markdown
Why it's listed
- It's published in the registry under crosswire-api.com, a namespace the registry only gives to whoever proves they control that domain.
Being indexed says nothing about quality, and nobody can pay for it. Is this yours? Ask for a review.
Tools it lists 2 · about 1,430 tokens of context · checked 29 minutes ago
| Tool | What it does | Hint |
|---|---|---|
check_resolution_risk | Pre-trade safety check for cross-venue event markets (crypto oracle-divergence pairs, metered; World Cup football, free). Flags resolution mismatches, void-rule divergence, scope differences (e.g. 90-minute vs… | read-only |
list_covered_events | Free discovery of everything check_resolution_risk can audit across both inventories — the free World Cup football pairs and the metered crypto oracle-divergence pairs (the 'crypto:' namespace is the paid surface: $0.02… | read-only |
What https://api.crosswire-api.com/mcp answered to tools/list, asked without credentials over MCP 2025-11-25. The token figure is the size of the list as sent, divided by four; a model sees about that much before it calls anything. Full definitions, input schemas included, are in the listing's JSON under mcpTools.
How its tools read to an agent 0 errors · 0 warnings · 0 notes
Nothing to flag: every tool reads cleanly to an agent.
The checks from /check and anchor check, run each day on the list above: about 1,430 tokens of definitions. Not part of the score yet. Check your own server.