API Mocker for OpenClaw — Review, Trust Score & Install Guide

Short answer: API Mocker is a verified OpenClaw skill for web & frontend dev. Trust Score 90/100 based on source transparency, permission scope, install safety, update recency, community signal, and documentation quality.

Trust Score: 90/100

Security tier: Verified
Risk level: Low
Last reviewed: 2026-02-14
Reviewer: OpenClaw Skills Hub editorial team
Version: 1.9.0
Author: frontend-tools
Install command: npx clawhub@latest install api-mocker

How we calculate Trust Scores →

What API Mocker does

API Mocker creates realistic mock API endpoints for frontend development. Define your API schema and it generates endpoints with realistic fake data, configurable delays, pagination, error scenarios, and authentication simulation. Works with MSW (Mock Service Worker) for seamless integration.

How to install API Mocker

Install the OpenClaw CLI: npm install -g clawhub@latest
Install this skill: npx clawhub@latest install api-mocker
Verify the install: openclaw skills list

Security review

This skill is currently classified as Verified with a low risk profile. Our reviewers inspected the SKILL.md manifest, dependency tree, declared permissions, network calls, and shell commands before publishing this score. See our editorial policy and Trust Score methodology for the full rubric.

Best for

Develop frontend features before the backend is ready
Test error handling with configurable failure scenarios
Generate realistic test data for demos and prototypes
Simulate slow networks and edge cases

Avoid if

You need a fully air-gapped install with no network calls.
Your environment forbids skills with third-party dependencies.
You require a formally audited SBOM that this version does not yet provide.

Alternatives & related skills

React Scaffolder — Generate production-ready React components, hooks, and pages with TypeScript, tests, and Storybook stories.
Test Generator — Generate comprehensive test suites from code — unit tests, integration tests, and edge case detection.
Docs Generator — Generate API documentation, README files, and code comments from your codebase automatically.

Frequently asked questions

Does it work with TypeScript?

Yes — it generates type-safe mock handlers from your API types or OpenAPI specs.

Can it simulate authentication?

Yes — it supports JWT, OAuth, and API key authentication simulation.

How do I install API Mocker?

Run `npx clawhub@latest install api-mocker` from any directory with Claude Code or OpenClaw installed. The skill is added to your local SKILL.md registry and is available to your agent immediately — no restart required.