Crosswire — Polymarket & Kalshi Arbitrage

Cross-venue Polymarket+Kalshi arbitrage: resolution mismatch, void risk & settlement divergence.

Connector by crosswire-api.com · Domain verified by the MCP Registry

IndexedMITRemote (HTTP)★ 1

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Install

Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/crosswire-api-com-crosswire-polymarket-kalshi-arbitrage

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

https://api.crosswire-api.com/mcp Remote (HTTP)

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About

Cross-venue Polymarket+Kalshi arbitrage: resolution mismatch, void risk & settlement divergence.

Reviews

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Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools: 2 read · 0 write · 0 deleteRead-only
Secrets: None asked for
Install scripts: Nothing to install (hosted)
Runs as: Hosted (remote endpoint)

Tools by what they do 2

From the running server's own tool list (tools/list) on Oct 25, 2026.

Read 2 · Look things up without changing anything.

check_resolution_risk
list_covered_events

Network hosts it talks to 1

api.crosswire-api.com · found in remote endpoint, install command

Tools (2)

As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].

check_resolution_riskread-only
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 extra-time; matched vs differing strike), settlement-source and -timing gaps, stale data, and thin liquidity between the two Polymarket and Kalshi legs BEFORE you execute both. Returns a machine-readable verdict — execution_verdict: safe / caution / block — inside a full Fungibility & Settlement Audit Object (FSAO) with structured findings, top-level divergence flags, venue rule override…
list_covered_eventsread-only
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 USDC per call after 3 free calls/day). Returns the covered canonical events, their per-outcome pair ids (…#home / #draw / #away for football), the Polymarket conditionIds and Kalshi tickers with outcome labels for each pair, match dates, the frozen ruleset_sha pinning the identity graph, the coverage kickoff cutoff, and snapshot freshness. Use a returned pair_id (or a pair's tw…

Signals

Stars: 1
Forks: 0
Open issues: 0
Last commit: Jun 21, 2026 (4 months ago)
Last release: Jun 21, 2026 (4 months ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name: com.crosswire-api/crosswire-polymarket-kalshi-arbitrage
Version: 0.6.2
Auth: Auth not stated
License: MIT
Repository: github.com/NicolasDuarte04/crosswire-mcp
Website: crosswire-api.com
First seen: Oct 24, 2026
Last checked: Oct 25, 2026
Source: Official MCP Registry github-graphql

Rank

of 44,833 in Connectors

Score

0.437

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Grades

Freshness

Active in the last 6 months. Last activity 4 months ago.

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Security

Security scan: in progress. Grades from our dependency, secret, code and prompt-injection checks appear here once they launch. Until then, check the code before you install.

Indexed

Found automatically from a public source. Not yet claimed by its publisher.

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Availability

100% uptime, last 30 days (1 check)

Last check: 6 days ago
Status: Up
Median response: 417 ms

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Crosswire — Polymarket & Kalshi Arbitrage MCP server. Agent Mart. https://agentmart.dev/connectors/crosswire-api-com-crosswire-polymarket-kalshi-arbitrage (last updated 2026-10-25)