{
  lib,
  pkgs,
  ...
}:

let
  jcode = pkgs.callPackage ./nix-bin/jcode.nix { };
  pi = pkgs.callPackage ./nix-bin/pi.nix { };
  devenvSummary = pkgs.callPackage ./devenv.custom-code.nix { };
in
{
  packages = [
    pkgs.asciinema    # terminal session recorder
    pkgs.claude-code  # Claude Code CLI
    pkgs.gh           # GitHub CLI tool
    pkgs.herdr        # supervises multiple coding agents in one terminal
    jcode             # jcode coding agent
    pkgs.jq           # JSON wrangling for agent scripts
    pi                # pi coding agent
    pkgs.rtk          # used by coding agent
    pkgs.skills       # used to manage .agents/skills
  ];

  # Playwright MCP is registered per-project in .mcp.json (via `npx @playwright/mcp`).
  # Run `npx playwright install` once for the browser binaries.

  # mkAfter so this block prints below devenv.nix's own summary.
  enterShell = lib.mkAfter (devenvSummary {
    title = "\nCoding agents:";
    rows = [
      { pkg = pkgs.asciinema; }
      { pkg = pkgs.claude-code; }
      { pkg = pkgs.herdr; }
      { pkg = jcode; }
      { pkg = pkgs.jq; }
      { pkg = pi; }
      { pkg = pkgs.rtk; }
      { pkg = pkgs.skills; }
    ];
  });

  env.RTK_TELEMETRY_DISABLED = 1;
  env.JCODE_NO_TELEMETRY = 1; # jcode phones home with usage stats by default.
  env.PI_SKIP_VERSION_CHECK = 1; # pi is pinned by nix-bin/pi.nix, so its startup update check is noise.
}