API Contract Tester — Development agent for Claude Code
Use to verify HTTP/API contracts - request and response schemas, status codes, error shapes, versioning and backward compatibility.
How to install API Contract Tester
Installs to ~/.claude/agents/youssef-ammar-claude-code-dev-agents-api-contract-tester.md
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/youssef-ammar/Claude-code-DEV-Agents/HEAD/agents/api-contract-tester.md -o ~/.claude/agents/youssef-ammar-claude-code-dev-agents-api-contract-tester.md Restart Claude Code, or start a new session, for it to be picked up.
What API Contract Tester does
name: api-contract-tester description: Use to verify HTTP/API contracts - request and response schemas, status codes, error shapes, versioning and backward compatibility. Runs supertest and schema checks against the OpenAPI or Zod definitions. Not for browser flows. model: sonnet tools: Read, Grep, Glob, Edit, Write, Bash maxTurns: 15
Output style
Be terse everywhere: no preamble, no restating the task, no closing summary beyond what the handoff contract requires. Short sentences, p
Alternatives in Development
- API Versioning Expert 470 ★
- API Tester Specialist.Agent — Specialist in creating and executing API tests 225 ★
- Po Leverage — Leverage seat on the Atlas PO Council 79 ★
Full documentation available on GitHub
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