Agent-Skills.md

Agent Skills: cursor:setup - Cursor Backend Setup

Configure and verify the Cursor backend for Claude Code Harness. Use when user invokes cursor:setup, wants Cursor as the local default implementation backend, or asks to check Cursor plugin/agent readiness. Distribution default remains opt-in; only local env/user settings are changed when explicitly requested.

UncategorizedID: Chachamaru127/claude-code-harness/cursor-setup

Repository

Chachamaru127/claude-code-harness
Chachamaru127License: MIT
2,964286

Install this agent skill to your local

pnpm dlx add-skill https://github.com/Chachamaru127/claude-code-harness/tree/HEAD/skills/cursor-setup

Skill Files

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skills/cursor-setup/SKILL.md

Skill Metadata

Name
cursor-setup
Description
"Configure and verify the Cursor backend for Claude Code Harness. Use when user invokes cursor:setup, wants Cursor as the local default implementation backend, or asks to check Cursor plugin/agent readiness. Distribution default remains opt-in; only local env/user settings are changed when explicitly requested."

cursor:setup - Cursor Backend Setup

Cursor backend の setup / verification 用 skill。配布 plugin の fallback は claude のままにし、現在の repo / user 環境だけ cursor default にする時に使う。

Quick Reference

cursor:setup --check
cursor:setup --user-default
cursor:setup --project-default
cursor:setup --unset

Rules

  • Do not change distribution defaults or plugin manifests to make Cursor the shipped fallback.
  • Use scripts/resolve-impl-backend.sh / scripts/set-impl-backend.sh; do not infer from HARNESS_IMPL_BACKEND alone.
  • Treat ~/.cursor/permissions.json, .cursorignore, and Claude sandbox allowlists as manual/user-owned setup surfaces unless the user explicitly asks to edit a local file.

Flow

First resolve the Harness helper root. Keep the current working directory as the target project so project-scoped env.local writes still land in the user's repo:

HARNESS_PLUGIN_ROOT="${HARNESS_PLUGIN_ROOT:-${CLAUDE_PLUGIN_ROOT:-}}"
if [ -z "$HARNESS_PLUGIN_ROOT" ] && [ -n "${CLAUDE_SKILL_DIR:-}" ]; then
  probe="$(cd "${CLAUDE_SKILL_DIR}" && pwd)"
  while [ "$probe" != "/" ] && [ ! -d "$probe/scripts" ]; do
    probe="$(cd "$probe/.." && pwd)"
  done
  [ -d "$probe/scripts" ] && HARNESS_PLUGIN_ROOT="$probe"
fi
if [ -z "$HARNESS_PLUGIN_ROOT" ]; then
  echo "ERROR: HARNESS_PLUGIN_ROOT is not set and could not be derived from CLAUDE_PLUGIN_ROOT or CLAUDE_SKILL_DIR" >&2
  exit 2
fi

  1. For --check, run:

    bash "${HARNESS_PLUGIN_ROOT}/scripts/setup-cursor.sh" --check
bash "${HARNESS_PLUGIN_ROOT}/scripts/set-impl-backend.sh" --show
bash "${HARNESS_PLUGIN_ROOT}/scripts/resolve-impl-backend.sh" --role worker
CURSOR_AGENT_BIN="${CURSOR_AGENT_BIN:-}"
if [ -z "$CURSOR_AGENT_BIN" ]; then
  if command -v cursor-agent >/dev/null 2>&1; then
    CURSOR_AGENT_BIN="$(command -v cursor-agent)"
  elif [ -x "$HOME/.local/bin/cursor-agent" ]; then
    CURSOR_AGENT_BIN="$HOME/.local/bin/cursor-agent"
  fi
fi
if [ -z "$CURSOR_AGENT_BIN" ]; then
  echo "ERROR: cursor-agent not found in PATH or $HOME/.local/bin" >&2
  exit 3
fi
"$CURSOR_AGENT_BIN" --version

  2. For --user-default, run:

    bash "${HARNESS_PLUGIN_ROOT}/scripts/set-impl-backend.sh" --user cursor
bash "${HARNESS_PLUGIN_ROOT}/scripts/set-impl-backend.sh" --show

  3. For --project-default, run:

    bash "${HARNESS_PLUGIN_ROOT}/scripts/set-impl-backend.sh" cursor
bash "${HARNESS_PLUGIN_ROOT}/scripts/set-impl-backend.sh" --show

  4. For --unset, ask whether the target is user or project scope if not clear from the request, then run exactly one matching unset command:

    Project scope:

    bash "${HARNESS_PLUGIN_ROOT}/scripts/set-impl-backend.sh" --unset

    User scope:

    bash "${HARNESS_PLUGIN_ROOT}/scripts/set-impl-backend.sh" --unset --user

Output

Report three facts only:

  • resolved backend (claude / codex / cursor)
  • Cursor package readiness (setup-cursor.sh --check)
  • next manual step if Cursor is not ready