AI for Software developer

Last checked 2026-10-15

Useful tasks

Explain unfamiliar code

BeginnerBot with human review

Walk through what a function or file does, line by line.

Tools that support it: Claude (incl. Claude Code) — Claude Code can read the whole repo from the CLI or IDE extensions.; ChatGPT (incl. Work & Codex) — Codex works with local repos in the ChatGPT desktop app.; Cursor — Cursor's Agent searches your codebase in the editor.; GitHub Copilot — Copilot Chat works in VS Code, JetBrains and Visual Studio.

Write unit tests

IntermediateBot with human review

Generate tests for existing code and run them in an agent.

Tools that support it: Claude (incl. Claude Code) — Claude Code runs commands in your terminal with permission prompts.; ChatGPT (incl. Work & Codex) — Codex runs tests and commands locally or in cloud environments.; Cursor — Agent can run terminal commands to execute the tests.; GitHub Copilot — Agent mode in your IDE edits files locally; the cloud agent works in GitHub Actions.

Fix a failing build

AdvancedBot with human review

Agent reads errors, edits code and re-runs until green.

Tools that support it: Cursor — Cloud Agents run in isolated VMs and can attach logs/screenshots to the PR.; GitHub Copilot — Cloud agent runs in a GitHub Actions environment: one repo, one branch, one PR per task.; Claude (incl. Claude Code) — Claude Code also runs in GitHub Actions/GitLab CI.; ChatGPT (incl. Work & Codex) — Codex can work in cloud environments and review PRs.

Refactor across files

AdvancedBot with human review

Rename or restructure code across a repository with review.

Tools that support it: Cursor — Agent edits across files; Cloud Agents can work on larger tasks remotely.; GitHub Copilot — Cloud agent opens the change as a PR for review.; Claude (incl. Claude Code) — Claude Code Desktop supports parallel sessions with Git isolation and diff review.; ChatGPT (incl. Work & Codex) — Codex shows diffs and supports multi-repository work in the desktop app.

Issue to pull request

AdvancedBot with human review

Assign an issue to a cloud agent that branches, codes and opens a PR.

Tools that support it: GitHub Copilot — Native: assign the issue to Copilot; limited to one repo/branch/PR per task.; Cursor — Mention @cursor on a GitHub issue or PR, or start from Slack/Linear.; ChatGPT (incl. Work & Codex) — Codex Cloud tasks can be started from web, desktop or mobile.; Claude (incl. Claude Code) — Cloud sessions at claude.ai/code keep running when you disconnect.

MCP tool integration

AdvancedBot with human review

Connect an agent to tools/data via Model Context Protocol.

Tools that support it: Claude (incl. Claude Code) — Claude Code supports MCP servers; computer use is itself a built-in MCP server.; Cursor — Cloud Agents and Agent support team MCP servers.; GitHub Copilot — Cloud agent integrates with MCP servers.; n8n — Has MCP Client and MCP Server Trigger nodes.

Highest rubric scores for these tasks

Based on published features, pricing and documentation, checked 2026-10-15. No hands-on testing. Editorial rubric, not a benchmark. Methodology.