v8.21.0 - Amp PR Automator & Memory Hook Fix

Highlights

🤖 Amp PR Automator - OAuth-free PR automation with Amp CLI
🔧 Memory Hook Fix - Tag+time filtering bug resolved (Issue #214, PR #215)

What's New

Amp PR Automator Agent (1,240+ lines)

Lightweight PR automation using Amp CLI as an alternative to Gemini PR Automator, eliminating OAuth browser authentication interruptions.

Key Components:

• .claude/agents/amp-pr-automator.md - Complete agent definition with file-based workflow
• scripts/pr/amp_quality_gate.sh - Parallel complexity, security, type hint checks
• scripts/pr/amp_collect_results.sh - Aggregate Amp analysis results
• scripts/pr/amp_suggest_fixes.sh - Generate fix suggestions from review feedback
• scripts/pr/amp_generate_tests.sh - Create pytest tests for new code
• scripts/pr/amp_detect_breaking_changes.sh - Identify API breaking changes
• scripts/pr/amp_pr_review.sh - Complete review workflow orchestration

Benefits:

• ⚡ Fast parallel processing with multiple Amp instances
• 🔐 No OAuth browser flow interruptions
• 💰 Credit conservation through focused, non-interactive tasks
• 📁 UUID-based prompt/response tracking for async execution

Memory Hook Tag+Time Filtering Fix

Fixed semantic over-filtering bug in memory hooks (Issue #214, PR #215).

Changes:

• Enhanced search_by_tag() with optional time_start parameter across all storage backends
• Replaced limited parse_time_query with robust parse_time_expression from utils.time_parser
• Fixed HTTP client time filter format (ISO date instead of custom string)
• Improved SQL construction clarity in Cloudflare backend
• Removed unused match_all parameter from hybrid backend (regression fix)

Quality:

• Quality gate: 9.2/10 (Gemini Code Assist review)
• 4 critical issues identified and fixed
• Time parser tests: 14/14 PASS (100%)
• Integration tests: 46/73 PASS (pre-existing failures tracked in #217)

Related Issues

• Fixes #214 - Memory hook semantic over-filtering bug
• PR #215 - Tag+time filtering implementation

Installation

# Update existing installation
pip install --upgrade mcp-memory-service

# Or with uv
uv pip install --upgrade mcp-memory-service

Full Changelog

See CHANGELOG.md for complete details.

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