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Build Simulation

Agent skill
1 skill

Build a fully simulated API from an OpenAPI spec using Counterfact. Generate the initial scaffold, research the real API's behaviour, implement stateful context classes, write tests for those classes, and configure scenario scripts (including a startup scenario) so the mock server is immediately useful without manual setup.

Install with
Claude CodeCodexCursorGitHub CopilotGemini CLI

Supported by the Atlas install prompt. Skill-specific requirements vary.

Skill stats

Skills1CategoryScience & researchStars0

About this skill

Build a fully simulated API from an OpenAPI spec using Counterfact. Generate the initial scaffold, research the real API's behaviour, implement stateful context classes, write tests for those classes, and configure scenario scripts (including a startup scenario) so the mock server is immediately useful without manual setup.

Quick start

  1. Copy the install prompt. Use the green button above this README.
  2. Send it to your agent. Paste it into your coding agent’s chat and send.
  3. Review the setup. Your agent checks the skill’s instructions, requirements, and installation scope.
Review, license & listing details
Review the source before using this skill

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Automated security scan: Partial

Only SKILL.md was scanned. Supporting files and scripts were not checked. No safety grade has been assigned.

0 potential findings · Scanned 11/4/2026 · Scanner 0.2.1

Content SHA-256: 0299820b1a93d11518fe55efa3e52676036582b13fa56ee13107ceac4f76a317

About scan coverage and limitations

About this listing

Category
Science & research
Reported license
MIT
Listing language (estimated)
English
Review status
Not individually reviewed
Agent compatibility
Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.
Build Simulation | Agent Skills Atlas