head to head/Developer Tools

KalshiSpy vs Vector

Neck and neck on boosts. Profiles, pricing and deals below.

KalshiSpy

Kalshi API & MCP Server for ChatGPT, Claude and Agents

community boosts

⚡ 0

pricing

Paid

what it is

Kalshi market data for agents: a public REST API of settled results, a keyed live feed of verified trader positions, OpenAPI 3.1 and a hosted MCP server.

Vector

An integrated engineering environment

community boosts

⚡ 0

pricing

Freemium

what it is

Agents write the code. You engineer. Vector is a Mac app for directing Claude and Codex, free while in beta.