feat: add MCP memory integration guide

Generic memory integration pattern using any MCP-compatible memory
server. Replaces vendor-specific PR #57 based on maintainer feedback.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

integrations/mcp-memory/setup.sh

@@ -0,0 +1,74 @@
+#!/usr/bin/env bash
+#
+# setup.sh -- Install an MCP-compatible memory server for persistent agent memory.
+#
+# Usage:
+#   ./integrations/mcp-memory/setup.sh
+
+set -euo pipefail
+
+echo "MCP Memory Integration Setup"
+echo "=============================="
+echo ""
+
+# Install your preferred MCP memory server.
+# The memory integration requires an MCP server that provides:
+#   - remember: store decisions, deliverables, context
+#   - recall: search memories by keyword or semantic similarity
+#   - rollback: revert to a previous state
+#
+# Example (replace with your chosen server):
+#   pip install <your-mcp-memory-server>
+#   npm install <your-mcp-memory-server>
+
+echo "This integration requires an MCP-compatible memory server."
+echo ""
+echo "Your MCP memory server must provide these tools:"
+echo "  - remember: store decisions, deliverables, and context"
+echo "  - recall: search memories by keyword or semantic similarity"
+echo "  - rollback: revert to a previous state"
+echo "  - search: find specific memories across sessions"
+echo ""
+echo "Install your preferred MCP memory server, then add it to your"
+echo "MCP client config. See integrations/mcp-memory/README.md for details."
+echo ""
+
+# Check if an MCP client config exists in common locations
+CONFIG_FOUND=false
+
+if [ -f "$HOME/.config/claude/mcp.json" ]; then
+  echo "Found MCP config at ~/.config/claude/mcp.json"
+  CONFIG_FOUND=true
+fi
+
+if [ -f "$HOME/.cursor/mcp.json" ]; then
+  echo "Found MCP config at ~/.cursor/mcp.json"
+  CONFIG_FOUND=true
+fi
+
+if [ -f ".mcp.json" ]; then
+  echo "Found MCP config at .mcp.json"
+  CONFIG_FOUND=true
+fi
+
+if [ "$CONFIG_FOUND" = false ]; then
+  echo "No MCP client config found."
+  echo ""
+  echo "Add your memory server to your MCP client config:"
+  echo ""
+  echo '  {'
+  echo '    "mcpServers": {'
+  echo '      "memory": {'
+  echo '        "command": "your-mcp-memory-server",'
+  echo '        "args": []'
+  echo '      }'
+  echo '    }'
+  echo '  }'
+fi
+
+echo ""
+echo "Next steps:"
+echo "  1. Install an MCP memory server (pip install or npm install)"
+echo "  2. Add it to your MCP client config"
+echo "  3. Add a Memory Integration section to any agent prompt"
+echo "     (see integrations/mcp-memory/README.md for the pattern)"