AI skills and agents for developers

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upstash · MCP server

Upstash’s hosted MCP server that hands your coding assistant current docs and code examples for the library and version you ask about.

A CLAUDE.md to fill in, a settings file with careful permissions and two slash commands, /plan-task and /review-changes, for any repository you open in Claude…

Reviews a code diff for bugs, edge cases, security and missing tests, the worst first, each with a fix.

Turns a rough request into a precise task for Claude Code or any coding agent: goal, files, checks and limits.

Brief Claude Code or Codex on a coding job in a folder you shared, then check what it built in the browser

What the selected code does, step by step, and its edge cases

Bugs, security and performance issues in the selected code, with fixes