MemoryMesh
MemoryMesh is a local knowledge-graph MCP server for persisting structured “memory” (nodes and edges) for AI models. It loads schema files to dynamically generate add/update/delete tools for each entity type, stores data in a local JSON memory file, and optionally provides a separate Memory Viewer web app for visualization.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Likely no auth/authorization controls are implemented or documented (local server). TLS is not applicable from the README (MCP server appears started locally via node). Security posture depends on how users deploy/expose the server; running locally reduces network risk but does not address tool-level constraints or access control. Dependency list is minimal in manifest but specific audit/CVE status is not provided.
⚡ Reliability
Best When
You want local, schema-driven structured memory for an AI client via MCP (e.g., Claude Desktop) and can manage data persistence on disk.
Avoid When
You need remote access across untrusted networks or fine-grained access control, or you require strong durability/concurrency guarantees beyond a single JSON file.
Use Cases
- • Text-based RPGs and interactive storytelling with persistent world state
- • Structured memory for agents that need nodes/relationships (e.g., NPCs, locations, artifacts)
- • Simulations such as social-network or organizational planning graphs
- • Building custom entity/relationship schemas and letting an MCP client call generated tools
Not For
- • Multi-tenant cloud deployments requiring managed hosting
- • High-security environments needing authentication/authorization controls in the server
- • Workloads needing relational database features, concurrency control, or large-scale storage beyond a JSON file
Interface
Authentication
No authentication or authorization mechanisms are described in the provided README/manifest; access appears to be controlled implicitly by local process/network exposure.
Pricing
Open-source (MIT) and appears local/self-hosted; no pricing details provided.
Agent Metadata
Known Gotchas
- ⚠ Schema recognition depends on filenames and naming conventions (schema name must start with add_).
- ⚠ Default schema/memory file locations are version-dependent (e.g., dist/data/schemas since v0.2.7).
- ⚠ Local persistence via JSON file implies concurrent writes could be problematic; no concurrency guarantees are stated.
Alternatives
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Scores are editorial opinions as of 2026-03-30.