Repository
counterfact/api-simulator agent skills
- skills
- 12
- GitHub stars
- 170
GitHub description: “Turn an OpenAPI spec into a local API in one command. Build and test your frontend with custom responses, shared state, and simulated failures, without waiting for the backend.”
- Stars
- 170 (20 forks)
- Licence
- MIT
- Last push
- Oct 2026
- Created
- Apr 2022
- Homepage
- counterfact.dev
- front-end-development
- mock-server
- openapi
- openapi3
- swagger
- typescript
- openapi-generator
- openapi31
Install all skills
npx skills add counterfact/api-simulatorAdd --skill <name> for a single skill and -a <agent> to choose the agent (see the agent guides).
Skills in counterfact/api-simulator, ranked
Ranked by score. Sort bymost stars,trending,newest,recently updated
| # | Skill | Repository | Stars | Used in | Tokens | Auto-check | Licence | Updated |
|---|---|---|---|---|---|---|---|---|
| 1 | Create Counterfact pull requests with the required agent-authored acceptance and repository-learning notes; do not use to review another PR. | counterfact/ | 170 | — | ~918 | Automated safety check: Pass | MIT | today |
| 2 | Interact with Counterfact mock API server programmatically. An agent skill from counterfact/api-simulator. | counterfact/ | 170 | — | ~3.2k | Automated safety check: Pass | MIT | today |
| 3 | Build a fully simulated API from an OpenAPI spec using Counterfact. | counterfact/ | 170 | — | ~2.9k | Automated safety check: Pass | MIT | today |
| 4 | Keep contributor changes aligned with repository test patterns, diagnostics, black-box test boundaries, release/versioning workflow, documentation requirements, and compatibility. | counterfact/ | 170 | — | ~3.1k | Automated safety check: Pass | MIT | today |
| 5 | Provide Counterfact repository orientation, high-level architecture, and the canonical command reference for install/build/test/lint workflows. | counterfact/ | 170 | — | ~868 | Automated safety check: Pass | MIT | today |
| 6 | 6.Route Edit Counterfact route files to add endpoint behavior while keeping handlers thin and delegating business logic to context classes. | counterfact/ | 170 | — | ~341 | Automated safety check: Pass | MIT | today |
| 7 | 7.Scenario Create and update Counterfact scenario modules that seed or mutate context state through reusable scenario functions. | counterfact/ | 170 | — | ~356 | Automated safety check: Pass | MIT | today |
| 8 | Update Counterfact CLI option behavior, config resolution, telemetry-safe startup handling, and bootstrap/runtime entrypoint flow. | counterfact/ | 170 | — | ~584 | Automated safety check: Pass | MIT | today |
| 9 | Modify TypeScript generator internals, OpenAPI parsing/schema handling, and generated file writing behavior without regressing regeneration guarantees. | counterfact/ | 170 | — | ~648 | Automated safety check: Pass | MIT | today |
| 10 | Safely change Counterfact runtime/server internals while preserving module boundaries, hot reload behavior, and backward compatibility guarantees. | counterfact/ | 170 | — | ~578 | Automated safety check: Pass | MIT | today |
| 11 | 11.Context Add and evolve Counterfact context classes in .context.ts files, including required unit test coverage for context behavior. | counterfact/ | 170 | — | ~384 | Automated safety check: Pass | MIT | today |
| 12 | 12.Counterfact Understand Counterfact architecture and generated project structure before editing generated API simulation code. | counterfact/ | 170 | — | ~299 | Automated safety check: Pass | MIT | today |
Questions, answered from the data.
What is the best skill in counterfact/api-simulator?
Counterfact PR Creation from counterfact/api-simulator ranks first of the 12 skills in counterfact/api-simulator listed here, with the highest score: its repository has 170 GitHub stars, its SKILL.md loads about 918 tokens and it passes the automated safety check with no findings. Next come Counterfact Repl and Build Simulation.
Are the skills in counterfact/api-simulator official?
None yet. All 12 skills in counterfact/api-simulator listed here come from community repositories; a skill counts as official when the product's own GitHub organization publishes it.
How do I install all skills from counterfact/api-simulator?
Run npx skills add counterfact/api-simulator in your project: the open-source skills CLI installs the repository's skills into your coding agent's skills folder. To install a single skill, open its page here for the exact command.
How are these skills ranked?
By Skill Navigator score, which combines the GitHub stars of the skill's repository (shared across that repo's skills and discounted for large collections), how many other GitHub owners carry a copy of the skill, and automated SKILL.md quality checks, minus penalties for safety-check warnings and for each further skill from the same repository. Skills that fail the safety check are not listed.