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feat(toggle-external): manage Magic MCP (21st-dev) — installed disabled by default

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Add `magic` to the unified toggle-external.sh helper alongside gstack,
emil-design-eng, darwin-skill, find-skills. MCPs are toggled via
`claude mcp add|remove` instead of symlink moves.

API key loaded from $REPO/.env (gitignored) via .env.example template.
install-plugins.sh step 8.7 forces magic MCP off after each install run
so the MCP doesn't load into every session unless explicitly enabled.

Toggle: bash lib/toggle-external.sh enable|disable|status magic

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
bastien
2026-04-21 20:28:03 +02:00
co-authored by Claude Opus 4.7
parent 07b8a207c1
commit 72920e032e
4 changed files with 89 additions and 1 deletions
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install-plugins.sh
+33
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@@ -500,6 +500,38 @@ else
fi
echo ""
# ============================================================
# STEP 8.7 — MAGIC MCP (21st-dev) — installed but DISABLED by default
# ============================================================
# Magic MCP is a stdio MCP server providing UI component generation
# from 21st.dev. Toggled via lib/toggle-external.sh (same interface as
# gstack, emil-design-eng, etc.). Registered in Claude Code user scope.
#
# Default policy: DISABLED at install time. Rationale: MCP tools load
# into every Claude Code session and consume context tokens. Enable
# only when you're actively using Magic.
#
# API key: read from $REPO/.env (MAGIC_API_KEY=...) — NEVER committed.
# Template: $REPO/.env.example. Get a key at https://21st.dev/magic
echo "── Step 8.7: Magic MCP (21st-dev) ──────────────────────────"
echo ""
if [ -x "$REPO/lib/toggle-external.sh" ]; then
MAGIC_STATUS="$(bash "$REPO/lib/toggle-external.sh" status magic 2>/dev/null || echo missing)"
if [ "$MAGIC_STATUS" = "enabled" ]; then
info "Disabling magic MCP by default (enable on demand)..."
bash "$REPO/lib/toggle-external.sh" disable magic >/dev/null
ok "magic MCP disabled — enable with: bash lib/toggle-external.sh enable magic"
else
ok "magic MCP disabled (default)"
fi
if [ ! -f "$REPO/.env" ] || ! grep -q '^MAGIC_API_KEY=' "$REPO/.env" 2>/dev/null; then
warn "MAGIC_API_KEY not found in $REPO/.env — copy .env.example and set your key before enabling"
fi
else
warn "lib/toggle-external.sh not found or not executable — skipping"
fi
echo ""
# ============================================================
# STEP 9 — SHELL CONFIG (alias + env vars)
# ============================================================
@@ -573,6 +605,7 @@ echo " 🔄 graphifyy — codebase knowledge graph (pipx, PreToolUs
echo " 🔄 emil-design-eng — UI polish, animations, component craft (curl → symlink)"
echo " 🔄 darwin-skill — autonomous skill optimizer (npx skills, ~/.agents/skills/)"
echo " 🔄 find-skills — skill discovery helper (npx skills, ~/.agents/skills/)"
echo " 🔄 magic MCP — 21st-dev UI generation MCP (toggle: lib/toggle-external.sh enable magic)"
echo ""
echo " All plugins installed at: user scope (~/.claude/plugins/)"
echo " GStack skills symlinked individually into ~/.claude/skills/ (→ submodule)"