Cross-venue Polymarket+Kalshi arbitrage: resolution mismatch, void risk & settlement divergence. Connect the official Crosswire — Polymarket & Kalshi Arbitrage MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.
claude mcp add --transport http crosswire-polymarket-kalshi-arbitrage https://api.crosswire-api.com/mcpRun in your terminal, then restart Claude Code.
Crosswire — Polymarket & Kalshi Arbitrage · https://api.crosswire-api.com/mcp
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “check_resolution_risk”: Pre-trade safety check for cross-venue event markets (crypto oracle-divergence pairs, metered; World Cup football, free). Flags resolution m.”
“Use “list_covered_events”: Free discovery of everything check_resolution_risk can audit across both inventories — the free World Cup football pairs and the metered cry.”
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Crosswire — Polymarket & Kalshi Arbitrage holds up.
Operated by Crosswire — Polymarket & Kalshi Arbitrage (crosswire-api.com) at its documented MCP endpoint — not a third-party mirror or community re-host.
This server only exposes public data — no account and no credentials are involved when you connect.
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
If Crosswire — Polymarket & Kalshi Arbitrage adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Choose Crosswire — Polymarket & Kalshi Arbitrage in the gate directory. No sign-in needed.
Crosswire — Polymarket & Kalshi Arbitrage's tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
check_resolution_risk — Pre-trade safety check for cross-venue event markets (crypto oracle-divergence pairs, metered; World Cup football, free). Flags resolution m
list_covered_events — Free discovery of everything check_resolution_risk can audit across both inventories — the free World Cup football pairs and the metered cry
https://api.crosswire-api.com/mcpYes — Crosswire — Polymarket & Kalshi Arbitrage operates its own remote MCP server at api.crosswire-api.com. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
Add gate's gateway URL to your AI client once, then pick Crosswire — Polymarket & Kalshi Arbitrage in the directory. No account or sign-in is needed. From then on, Crosswire — Polymarket & Kalshi Arbitrage's tools are available in every client you've connected to gate.
No. Crosswire — Polymarket & Kalshi Arbitrage runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Yes — you can get started with gate for free and connect Crosswire — Polymarket & Kalshi Arbitrage in minutes. No credit card required.
Every server below works through the same gateway URL — connect once, add tools anytime.
Set up Crosswire — Polymarket & Kalshi Arbitrage in: Claude · Claude Code · ChatGPT · Cursor · VS Code
One URL. All MCPs. Full control. Free to start.
Get started free