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claw-code/.guardrails/docs/RELEASE_v1.9.5.md

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Release v1.9.5 - Production Ready

Release Date: 2026-02-08 Branch: mcpserver-impl Tag: v1.9.5

Summary

Final 3rd cycle review - the MCP Server is now production ready. This release includes final polish, production readiness verification, integration testing, and complete documentation.

What's Been Accomplished

Three Complete Review Cycles

Cycle Focus Result
1st Security & Infrastructure v1.9.3 - CORS, secure sessions, transactions, K8s
2nd Performance & Reliability v1.9.4 - SSE optimizations, error handling, config fixes
3rd Production Readiness v1.9.5 - Final polish, testing, documentation

Production Readiness Checklist

✅ Security

  • CORS origin validation
  • Secure session ID generation (crypto/rand)
  • Security headers on all responses
  • API key authentication
  • Rate limiting
  • Path traversal protection
  • SQL injection prevention
  • Secrets management

✅ Reliability

  • Graceful shutdown handling
  • Panic recovery with metrics
  • Health checks (liveness/readiness)
  • Database connection pooling
  • Redis connection management
  • Circuit breaker patterns
  • Timeout handling

✅ Observability

  • Structured logging (slog)
  • Prometheus metrics
  • Request tracing (correlation ID)
  • Panic metrics
  • Database metrics
  • SLO/error budget tracking
  • Audit logging

✅ Configuration

  • Environment variable validation
  • Sensible defaults
  • Feature flags
  • Hot-reloadable config
  • Secrets masking in logs

✅ Deployment

  • Dockerfile optimized
  • Kubernetes manifests
  • Podman Compose configuration
  • Health check endpoints
  • Resource limits

✅ Documentation

  • Comprehensive README
  • API documentation (API.md)
  • Deployment guides
  • Troubleshooting guides
  • Complete changelog

Files Added/Modified

New Files

  • mcp-server/API.md - Complete REST API reference
  • mcp-server/internal/metrics/metrics.go - Prometheus metrics
  • mcp-server/internal/middleware/logging.go - Request logging
  • mcp-server/internal/database/metrics.go - DB metrics collection
  • mcp-server/internal/models/*_test.go - Unit tests
  • deploy/k8s-deployment.yaml - Kubernetes deployment

Key Modifications

  • internal/mcp/server.go - SSE optimizations, protocol compliance
  • internal/web/handlers.go - Error handling improvements
  • internal/web/middleware.go - Security enhancements
  • internal/config/config.go - Configuration management
  • internal/database/*.go - Transaction support, validation

Deployment

Quick Start

# Clone and build
git clone https://github.com/TheArchitectit/agent-guardrails-template.git
cd agent-guardrails-template/mcp-server
make build

# Deploy with Podman Compose
export DB_PASSWORD=your_secure_password
export MCP_API_KEY=your_mcp_api_key
export IDE_API_KEY=your_ide_api_key
podman-compose -f deploy/podman-compose.yml up -d

Kubernetes

# Apply Kubernetes manifests
kubectl apply -f deploy/k8s-deployment.yaml

Verification

Health Checks

# Liveness
curl http://localhost:8081/health/live

# Readiness
curl http://localhost:8081/health/ready

# Metrics
curl http://localhost:8081/metrics

MCP Protocol

# SSE endpoint
curl -N http://localhost:8080/mcp/v1/sse

# Initialize session
curl -X POST http://localhost:8080/mcp/v1/message \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2024-11-05","capabilities":{},"clientInfo":{"name":"test","version":"1.0"}}}'

Version History

  • v1.9.5 - Production ready (final polish)
  • v1.9.4 - Performance & reliability improvements
  • v1.9.3 - Security & infrastructure hardening
  • v1.9.2 - Web UI authentication fix
  • v1.9.1 - SSE compatibility & PostgreSQL fixes
  • v1.9.0 - Initial MCP Server release

Credits

Three complete review cycles by specialized teams:

1st Cycle (v1.9.3):

  • Security Engineer
  • Go Developer
  • Technical Writer
  • MCP Developer
  • PostgreSQL Expert
  • DevOps Engineer

2nd Cycle (v1.9.4):

  • Performance Engineer
  • SRE Engineer
  • Test Automator
  • API Designer
  • Observability Engineer
  • Platform Engineer

3rd Cycle (v1.9.5):

  • Code Reviewer
  • SRE Engineer
  • Test Automator
  • Technical Writer
  • Refactoring Specialist

Co-Authored-By: Claude Opus 4.5 noreply@anthropic.com

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