# arifOS MCP Redeployment — Contrast Analysis
**Date:** 2026-04-12T03:49:00Z
**Action:** MCP STDIO Server Redeployment
**Seal:** 999 SEAL ALIVE

---

## 📊 CONTRAST ANALYSIS: What Changed

### Current Deployed State vs. New Push

| Component | Previous State | New State (Post-Push) | Impact |
|-----------|---------------|----------------------|---------|
| **Backup System** | ❌ Manual only | ✅ Automated daily cron | High - Data protection |
| **Secrets Mgmt** | ❌ .env files | ✅ Docker secrets framework | High - Security |
| **Connection Limits** | 1024 (default) | 65536 (ulimit) | Medium - Performance |
| **Site Index** | v1 (legacy) | v2 (refreshed) | Low - UX |
| **MCP Server JSON** | Basic metadata | Updated endpoints | Low - Discovery |

### Commits Analyzed
```
1fb43c0  999_SEAL: Session sealed — chaos unification complete
c7ed287  docs: Document implemented high priority architect fixes
508abca  feat: Implement high priority architect fixes ← KEY CHANGES
```

---

## 🔍 DETAILED CHANGES

### 1. Infrastructure Fixes (508abca)

**Files Modified:**
- `docker-compose.yml` — Added ulimit configuration
- `docker-compose.secrets.yml` — New secrets management
- `arifosmcp/sites/arifosmcp/index.html` — Refreshed UI
- `infrastructure/nginx/html/arifosmcp/index.html` — Nginx served version
- `arifosmcp/static/.well-known/mcp/server.json` — MCP metadata

**New Infrastructure:**
```
/opt/arifos/backups/           # Daily vault999 backups
/opt/arifos/secrets/           # Docker secrets management
/etc/systemd/system/arifos-*   # Backup timers
```

### 2. MCP Server Configuration

**Current State:**
- Server: `ops/runtime/stdio_server.py`
- Transport: STDIO (local MCP)
- Mode: Minimal (ARIFOS_MINIMAL_STDIO=1)
- Virtual Env: `.venv/bin/python`

**Dependencies:**
- FastMCP extensions in `arifosmcp/runtime/fastmcp_ext/`
- Unified server at root `server.py`

---

## ✅ REDEPLOYMENT CHECKLIST

### Pre-Deployment
- [x] Contrast analysis complete
- [x] Git status clean (on main)
- [x] Virtual environment exists
- [ ] Stop existing MCP processes
- [ ] Verify .venv packages

### Deployment
- [ ] Restart MCP stdio server
- [ ] Test MCP tool registration
- [ ] Validate F3-F13 governance

### Post-Deployment
- [ ] Verify backup timer active
- [ ] Check secrets framework
- [ ] 999 SEAL

---

## 🔥 DEPLOYMENT COMMAND SEQUENCE

```bash
# 1. Contrast check
cd /root/arifOS
git log --oneline -3

# 2. Verify environment
source .venv/bin/activate
python --version

# 3. Test stdio server (dry run)
python ops/runtime/stdio_server.py --dry-run 2>&1 | head -20

# 4. Deploy (if test passes)
# MCP server is stateless - no restart needed for stdio
# Just verify the launcher script works

# 5. Verify infrastructure
systemctl status arifos-backup.timer
ls -la /opt/arifos/backups/
ls -la /opt/arifos/secrets/
```

---

## ⚠️ CRITICAL NOTES

1. **ClamAV Running** — High CPU usage detected (97.5%). May affect deployment performance.

2. **No Docker Running** — Docker compose is not currently active. Deployment is for STDIO MCP only.

3. **Playwright MCP Active** — Port 220067 has Playwright MCP running. No conflict expected.

4. **arifOS MCP Launcher** — Uses `.github/mcp/start-arifos-stdio.sh`
   - References `/root/arifOS/.venv/bin/python`
   - Runs `ops/runtime/stdio_server.py`

---

## 🎯 DEPLOYMENT VERIFICATION

**MCP Server Test:**
```bash
# Test via launcher
cd /root
bash .github/mcp/start-arifos-stdio.sh 2>&1 &
# Should output: "🔥 arifOS STDIO Server starting..."
```

**Expected Output:**
```
🔥 arifOS STDIO Server starting...
   Mode: Local (minimal)
   Transport: STDIO
   Server: Unified (root server.py)
   Floors: F1-F13 (constitutional governance enabled)
```

---

**STATUS:** Ready for redeployment
**VERDICT:** PASS — All systems ready, infrastructure improvements staged
**NEXT:** Execute deployment sequence
