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Mock everything your AI app talks to — LLM APIs, MCP, A2A, AG-UI, vector DBs, search. One package, one port, zero dependencies.

625 starsTypeScript

AIMock – One Mock Server for Your AI Stack

by nathan_tarbert·Apr 9, 2026·7 points·0 comments
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AI Analysis

●●●BangerSolve My ProblemSlickBig Brain

Drift detection validates mocks against real APIs daily — MSW and Nock don't do this.

Strengths
  • •Drift detection runs daily CI validation against real APIs to catch mock staleness
  • •Mocks 11 LLM providers plus MCP, A2A, vector DBs, and search in single package
  • •Record and replay proxies real API calls into deterministic fixtures forever
Weaknesses
  • •From CopilotKit company — may push users toward their commercial products eventually
  • •Node.js only — no Python or Go bindings for non-JS AI stacks
Target Audience

Developers building AI applications who need deterministic testing

Similar To

MSW · Nock · WireMock

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