Coding prompts

Browse 6 coding prompts shared by the PromptVan community. practical, ready-to-use prompts for coding work. Each one is written and refined by a real practitioner, with the full prompt text, the variables to fill in, and the AI models it works best with. Copy a prompt straight into ChatGPT, Claude, Gemini or your own tooling via the PromptVan CLI and MCP. Open any prompt to see how to use it, who made it, and related coding prompts. New coding prompts are added as the community publishes them, so check back or follow the authors whose work fits your workflow.

• Bug Triage & Root-Cause Assistant

  Paste a stack trace and the relevant code; get ranked hypotheses, the most likely root cause, and a minimal repro plan. Built to avoid confident guessing.

  @eva_legal

• Test Suite Generator

  Writes unit tests for a function including edge cases and failure modes. Names tests by behavior, not implementation.

  @maya_builds

• Friendly API Error Messages

  Rewrites raw error codes into messages a user understands, with a next step. Keeps the technical detail in a separate log line.

  @mr_mbeki_chem

• Regex Builder & Tester

  Builds a regex from a plain-language spec, explains each part, and lists test strings that should and should not match.

  @marco_sales

• Conventional Commit Writer

  Turns a diff into a clean Conventional Commits message: type, scope, subject, and a concise body. Describes only real changes.

  @lena_shopkeep

• PR Description Writer

  Generates a clear pull-request description from a diff: what changed, why, risk, and test notes.

  @david_automates