
A local MCP server that lets coding agents run simulators of real APIs such as Stripe, GitHub, and Slack. Agents can load scenarios, seed records, control time, inspect state, review calls and webhooks, and save regression test cases.
Prices and medians update for the tier you select.
Ranked by how closely each one matches rystic's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.