
An open-source MCP client and server for learning the Model Context Protocol, with live JSON-RPC wire visualization, guided tutorials, tool exploration, and Claude, GPT, and Gemini agent modes.
Prices and medians update for the tier you select. Caution: thin market — treat statistics as indicative.
Ranked by how closely each one matches MCP Playground's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Thin market — few comparable priced products; treat statistics as indicative.