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Go development guidance for creating, modifying, reviewing, testing, and debugging Go services, libraries, CLIs, and tooling. Use when tasks involve .go files, go.mod, go.work, goroutines, channels, contexts, HTTP handlers, database code, table tests, gofmt, go test, or Go module management.
| name | go-programming |
| description | Go development guidance for creating, modifying, reviewing, testing, and debugging Go services, libraries, CLIs, and tooling. Use when tasks involve .go files, go.mod, go.work, goroutines, channels, contexts, HTTP handlers, database code, table tests, gofmt, go test, or Go module management. |
Make idiomatic Go changes with small APIs, explicit errors, and verification through the standard toolchain.
go.mod, go.work, build tags, Makefiles, CI, and package layout before
choosing commands or dependencies.context.Context through request, database, network, and long-running
operations.gofmt on changed Go files.go test ./path/... first, then broader go test ./... when the
change affects shared packages.go test -race for concurrency changes and go vet or configured
linters when the project already uses them.Elixir development guidance for creating, modifying, reviewing, testing, and debugging Elixir and Phoenix applications. Use when tasks involve .ex or .exs files, mix.exs, Phoenix, LiveView, Ecto, OTP supervision trees, GenServer, ExUnit, mix format, mix test, migrations, schemas, contexts, or Elixir dependency management.
Node.js and JavaScript/TypeScript development guidance for creating, modifying, reviewing, testing, packaging, and debugging backend, CLI, tooling, and full-stack code. Use when tasks involve package.json, npm, pnpm, yarn, bun, .js, .mjs, .cjs, .ts, tsconfig, Express, NestJS, Next.js API routes, Vitest, Jest, ESLint, or Node dependency management.
Python development guidance for creating, modifying, reviewing, testing, packaging, and debugging Python code. Use when tasks involve .py files, pyproject.toml, requirements files, pytest, ruff, mypy, FastAPI, Django, Flask, CLIs, scripts, type hints, virtual environments, or Python dependency management.
Rust development guidance for creating, modifying, reviewing, testing, packaging, and debugging Rust crates, CLIs, services, and libraries. Use when tasks involve .rs files, Cargo.toml, Cargo.lock, workspaces, ownership, lifetimes, traits, async Rust, tokio, serde, cargo fmt, cargo test, cargo clippy, or Rust dependency management.
Analyze a codebase before changing it, infer local patterns, and choose focused implementation and verification steps.
Planning discipline for long-running Deep Agent tasks with delegation, task tracking, validation, and concise delivery.