# mcp-memory-service | Henry | Knowledge Base | Instagit

Open-source persistent memory for AI agent pipelines (LangGraph, CrewAI, AutoGen) and Claude. REST API + knowledge graph + autonomous consolidation.

GitHub Stars: 1.4k

Repository: https://github.com/doobidoo/mcp-memory-service

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## Articles

### [How to Implement Custom Memory Types Beyond the Built-in Ontology in MCP Memory Service](/doobidoo/mcp-memory-service/how-do-i-implement-custom-memory-types-beyond-built-in-ontology)

Learn how to implement custom memory types in MCP Memory Service by extending the ontology at runtime. Set the MCP_CUSTOM_MEMORY_TYPES variable with a JSON payload to add new types without code changes.

- Tags: how-to-guide
- Published: 2026-02-28

### [Security Implications of MCP_ALLOW_ANONYMOUS_ACCESS=true in MCP Memory Service](/doobidoo/mcp-memory-service/security-implications-of-mcp-allow-anonymous-access-true)

Discover the significant security implications of MCP_ALLOW_ANONYMOUS_ACCESS=true. Learn why this setting grants unauthenticated read-only access and should be avoided in production.

- Tags: security-implications
- Published: 2026-02-28

### [How the Sync Importer Handles Bulk Memory Imports in MCP Memory Service](/doobidoo/mcp-memory-service/how-does-sync-importer-handle-bulk-memory-imports-from-external-sources)

Learn how the sync importer handles bulk memory imports in MCP Memory Service. Discover efficient JSON import with deduplication and dry-run features.

- Tags: how-to-guide
- Published: 2026-02-28

### [How the MCP Memory Service Implements Tag Taxonomy with Soft Validation](/doobidoo/mcp-memory-service/what-is-tag-taxonomy-system-and-how-does-soft-validation-work)

Discover how the MCP Memory Service uses a namespace-based tag taxonomy and soft validation to enforce standards and ensure backward compatibility. Learn about prefixes and legacy data handling.

- Tags: deep-dive
- Published: 2026-02-28

### [How to Debug Memory Storage Issues Using Health Check Endpoints in MCP Memory Service](/doobidoo/mcp-memory-service/how-to-debug-memory-storage-issues-using-health-check-endpoints)

Debug memory storage issues in MCP Memory Service using health check endpoints. Query /api/health/detailed and /api/health/sync-status to quickly pinpoint failures.

- Tags: how-to-guide
- Published: 2026-02-28

### [X-Agent-ID Scoping Strategy Performance Implications in MCP Memory Service](/doobidoo/mcp-memory-service/performance-implications-of-x-agent-id-scoping-strategy)

Understand X-Agent-ID scoping strategy performance in MCP Memory Service. Discover how comma-separated tags impact retrieval speed and learn about its negligible write-time overhead.

- Tags: performance
- Published: 2026-02-28

### [How to Migrate from Mem0 or Zep to MCP Memory Service: A Complete 4-Phase Guide](/doobidoo/mcp-memory-service/how-do-i-migrate-from-mem0-or-zep-to-mcp-memory-service)

Migrate from Mem0 or Zep to MCP Memory Service with our 4 phase guide. Learn to provision, swap SDK calls, bulk import data, and validate integrity for a seamless transition.

- Tags: migration-guide
- Published: 2026-02-28

### [MCP Memory Service Docker Deployment Modes: Slim, Glama, and Standalone Explained](/doobidoo/mcp-memory-service/differences-between-docker-deployment-modes-mcp-memory-service)

Understand MCP Memory Service Docker deployment modes: Slim, Glama, and Standalone. Learn which mode suits your needs for efficient cloud or server operation. Explore key differences and choose the best fit.

- Tags: deep-dive
- Published: 2026-02-28

### [How Does the Quality Scoring System Evaluate Memory Relevance in MCP Memory Service?](/doobidoo/mcp-memory-service/how-does-quality-scoring-system-evaluate-memory-relevance)

Discover how MCP Memory Service quality scoring evaluates memory relevance using a composite score combining heuristic analysis, AI signals, time decay, tag matching, and project filters. Learn more.

- Tags: deep-dive
- Published: 2026-02-28

### [How to Configure MCP Memory Service Startup and HTTP Mode: Complete Environment Variable Guide](/doobidoo/mcp-memory-service/what-configuration-options-exist-for-mcp-server-startup-and-http-mode)

Configure MCP Memory Service startup and HTTP mode using environment variables. This guide details essential settings for server activation, port binding, and authentication.

- Tags: how-to-guide
- Published: 2026-02-28

### [How Hybrid Search in MCP Memory Service Combines BM25 and Vector Search for Better Recall](/doobidoo/mcp-memory-service/how-does-hybrid-search-combine-bm25-and-vector-search-for-better-recall)

Discover how hybrid search in MCP Memory Service unites BM25 and vector search to boost recall. Learn how parallel searches, score normalization, and weighted fusion deliver superior results for term and semantic matches.

- Tags: deep-dive
- Published: 2026-02-28

### [MCP Memory Service Backup Scheduler Architecture and Configuration Guide](/doobidoo/mcp-memory-service/what-is-backup-scheduler-architecture-and-how-to-configure-automated-backups)

Explore the four-layer asyncio backup scheduler architecture for MCP Memory Service. Learn how to configure automated SQLite snapshots and manual controls.

- Tags: architecture
- Published: 2026-02-28

### [How the Claude Desktop Hook Automatically Captures Conversation Context for MCP Memory Service](/doobidoo/mcp-memory-service/how-does-claude-desktop-hook-automatically-capture-conversation-context)

Learn how the Claude Desktop hook automatically captures conversation context by using a Node.js script to parse transcripts and store structured memories in the MCP Memory Service.

- Tags: how-to-guide
- Published: 2026-02-28

### [MemoryTypeOntology in MCP Memory Service: Complete Guide to 12 Base Types and 75 Sub-Types](/doobidoo/mcp-memory-service/what-memory-types-are-available-in-memorytypeontology-and-when-to-use-each)

Explore the MemoryTypeOntology in MCP Memory Service. Understand 12 base types and 75 sub-types for precise semantic retrieval and analytics. Learn when to use each memory type.

- Tags: deep-dive
- Published: 2026-02-28

### [How to Integrate MCP Memory Service with LangGraph for Persistent Agent State](/doobidoo/mcp-memory-service/how-do-i-integrate-mcp-memory-service-with-langgraph-for-agent-state-persistence)

Integrate MCP Memory Service with LangGraph for persistent agent state. Wire REST endpoints into agents as LangChain tools or StateGraph nodes, replacing ephemeral memory with durable storage.

- Tags: how-to-guide
- Published: 2026-02-28

### [How SSE Events Provide Real-Time Notifications for Memory Operations in MCP Memory Service](/doobidoo/mcp-memory-service/how-do-sse-events-provide-real-time-notifications-for-memory-operations)

Discover how MCP Memory Service uses SSE events to deliver real-time notifications for memory operations. Learn about live updates, persistent connections, and automatic heartbeats.

- Tags: how-to-guide
- Published: 2026-02-28

### [How the ONNX Embeddings Model Runs Locally and Keeps Data Private in MCP Memory Service](/doobidoo/mcp-memory-service/how-does-onnx-embeddings-model-run-locally-and-keep-data-private)

Learn how the ONNX embeddings model runs locally in MCP Memory Service using cached models for private, on-device inference. No network calls, just secure data processing.

- Tags: internals
- Published: 2026-02-28

### [Architecture of Memory Consolidation with Decay and Compression in MCP Memory Service](/doobidoo/mcp-memory-service/what-is-the-architecture-of-memory-consolidation-with-decay-and-compression)

Explore the MCP Memory Service architecture for memory consolidation using exponential decay and semantic compression. Learn how DreamInspiredConsolidator orchestrates relevance scoring and knowledge distillation.

- Tags: architecture
- Published: 2026-02-28

### [How to Configure OAuth Authentication with Dynamic Client Registration in MCP Memory Service](/doobidoo/mcp-memory-service/how-do-i-configure-oauth-authentication-with-dynamic-client-registration)

Configure OAuth authentication with dynamic client registration in MCP Memory Service. Use the POST /oauth/register endpoint for client registration and automatic credential generation.

- Tags: how-to-guide
- Published: 2026-02-28

### [Typed Edges in the Knowledge Graph: How Agents Share Causal Chains in MCP-Memory-Service](/doobidoo/mcp-memory-service/what-are-typed-edges-in-knowledge-graph-and-how-do-agents-share-causal-chains)

Discover typed edges in knowledge graphs for agent causal chain sharing via semantic relationships like causes, fixes, and supports in the MCP-Memory-Service.

- Tags: deep-dive
- Published: 2026-02-28

### [How the conversation_id Parameter Bypasses Semantic Deduplication for Incremental Storage in MCP Memory Service](/doobidoo/mcp-memory-service/how-does-conversation-id-parameter-bypass-semantic-deduplication-for-incremental-storage)

Learn how the conversation_id parameter bypasses semantic deduplication for incremental storage in MCP Memory Service. Discover how to store related memories efficiently.

- Tags: internals
- Published: 2026-02-28

### [MCP Protocol vs REST API in MCP Memory Service: When to Use Each Interface](/doobidoo/mcp-memory-service/what-is-the-difference-between-mcp-protocol-and-rest-api-endpoints-and-when-should-i-use-each)

Understand the MCP protocol vs REST API in MCP Memory Service. Learn when to use each interface for Claude Desktop or generic HTTP clients benefiting from shared auth and differing transport styles.

- Tags: deep-dive
- Published: 2026-02-28

### [How the X-Agent-ID Header Enables Agent-Scoped Memory Retrieval in MCP Memory Service](/doobidoo/mcp-memory-service/how-does-x-agent-id-header-enable-agent-scoped-memory-retrieval-in-mcp-memory-service)

Discover how the X-Agent-ID header in MCP Memory Service creates agent-scoped memory retrieval automatically injecting a namespace tag for isolated data access.

- Tags: how-to-guide
- Published: 2026-02-28