SDK Feature Matrix

This matrix shows which features are available in each Memvid interface. Use it to choose the right tool for your use case.

Quick Comparison

Interface	Best For	Language	Async
CLI	Scripts, automation, exploration	Rust	N/A
Python SDK	Data science, ML pipelines, notebooks	Python	Optional
Node.js SDK	Web apps, APIs, serverless	TypeScript/JS	Yes

Core Operations

Feature	CLI	Python	Node.js
Create memory	✅	✅	✅
Open existing	✅	✅	✅
Put content	✅	✅	✅
Put with metadata	✅	✅	✅
Put from file	✅	✅	✅
Put from folder	✅	✅	✅
Put from URL	✅	✅	✅
Delete frame	✅	✅	✅
Update frame	✅	✅	✅

Search & Retrieval

Feature	CLI	Python	Node.js
Lexical search	✅	✅	✅
Semantic search	✅	✅	✅
Hybrid search	✅	✅	✅
CLIP visual search	✅	✅	❌
Adaptive retrieval	✅	✅	✅
Graph-filtered search	✅	✅	❌
Scope filtering	✅	✅	✅
Permission-aware retrieval (ACL)	⚠️	✅	✅
Date filtering	✅	✅	✅
Pagination (cursor)	✅	✅	✅
Raw vector search	✅	✅	❌

acl_context is required for ACL enforcement. SDKs support passing it to find()/ask(); the CLI currently runs in audit mode by default.

Ask (RAG)

Feature	CLI	Python	Node.js
Basic ask	✅	✅	✅
Context-only mode	✅	✅	✅
Source citations	✅	✅	✅
PII masking	✅	✅	❌
Memory cards in context	✅	✅	❌
Custom LLM model	✅	✅	✅
Local LLM (TinyLlama)	✅	❌	❌
OpenAI synthesis	✅	✅	✅
Claude synthesis	✅	✅	✅
Groq synthesis	✅	✅	✅
Gemini synthesis	✅	✅	✅

Enrichment & Memory Cards

Feature	CLI	Python	Node.js
Enrich with rules	✅	✅	❌
Enrich with Candle (local)	✅	❌	❌
Enrich with Groq	✅	✅	❌
Enrich with OpenAI	✅	✅	❌
Enrich with Claude	✅	✅	❌
View memory cards	✅	✅	❌
Entity state lookup	✅	✅	❌
Fact history/provenance	✅	✅	❌
Export facts (RDF/JSON/CSV)	✅	❌	❌
Schema management	✅	❌	❌

Graph & Logic Mesh

Feature	CLI	Python	Node.js
Enable Logic Mesh	✅	✅	❌
List entities	✅	✅	❌
Traverse relationships	✅	✅	❌
Graph statistics	✅	❌	❌
Triple pattern queries	✅	✅	❌
Hybrid graph+text search	✅	✅	❌

Tables

Feature	CLI	Python	Node.js
Import tables from PDF	✅	❌	❌
List tables	✅	❌	❌
View table	✅	❌	❌
Export table (CSV/JSON)	✅	❌	❌
Search table rows	✅	❌	❌

Timeline & History

Feature	CLI	Python	Node.js
Timeline browsing	✅	✅	✅
View single frame	✅	✅	✅
Time-travel queries	✅	✅	❌
Replay sessions	✅	❌	❌
Temporal phrase parsing	✅	❌	❌

Embedding Models

Feature	CLI	Python	Node.js
BGE-small (local)	✅	✅	✅
BGE-base (local)	✅	✅	✅
Nomic (local)	✅	✅	✅
GTE-large (local)	✅	✅	✅
OpenAI embeddings	✅	✅	✅
Custom model selection	✅	✅	✅
No-vec mode	✅	✅	✅

Maintenance & Administration

Feature	CLI	Python	Node.js
Verify integrity	✅	❌	❌
Doctor/repair	✅	❌	❌
Rebuild lexical index	✅	❌	❌
Rebuild vector index	✅	❌	❌
Rebuild time index	✅	❌	❌
Vacuum/compact	✅	❌	❌
Build sketch index	✅	❌	❌
Check lock status	✅	❌	❌
Statistics	✅	✅	✅

Encryption

Feature	CLI	Python	Node.js
Encrypt (lock)	✅	❌	❌
Decrypt (unlock)	✅	❌	❌
Password from stdin	✅	❌	❌

Configuration & Plans

Feature	CLI	Python	Node.js
Set API key	✅	✅	✅
View plan/usage	✅	✅	✅
Sync plan	✅	❌	❌
Query tracking	✅	✅	✅
Quota error handling	✅	✅	✅
Named memories	✅	❌	❌

Tickets & Capacity

Feature	CLI	Python	Node.js
List tickets	✅	❌	❌
Sync from dashboard	✅	❌	❌
Apply ticket	✅	❌	❌
Bind to memory ID	✅	✅	✅

Media Processing

Feature	CLI	Python	Node.js
PDF extraction	✅	✅	✅
DOCX extraction	✅	✅	✅
XLSX extraction	✅	✅	❌
PPTX extraction	✅	✅	❌
Audio transcription	✅	❌	❌
Video processing	✅	❌	❌
Image EXIF parsing	✅	✅	❌
CLIP visual embeddings	✅	✅	❌
Audio playback	✅	❌	❌
Video preview	✅	❌	❌

Output Formats

Feature	CLI	Python	Node.js
Human-readable	✅	N/A	N/A
JSON output	✅	✅	✅
Streaming	❌	❌	✅

Choosing the Right Interface

Use CLI When:

Automating with shell scripts
One-off exploration and debugging
Running maintenance operations
Processing audio/video
Using encryption
Managing tables

Use Python SDK When:

Building ML/data pipelines
Working in Jupyter notebooks
Need enrichment features
Integrating with Python apps
Using graph search

Use Node.js SDK When:

Building web applications
Creating REST APIs
Serverless functions
TypeScript projects
Need async/streaming

Feature Availability Legend

Symbol	Meaning
✅	Fully supported
⚠️	Partial support
❌	Not available
N/A	Not applicable

Requesting Features

Missing a feature in your preferred SDK?

Check if CLI has it (most complete)
Use CLI via subprocess as workaround
Request on GitHub Issues
Contact support@memvid.com

Next Steps

Python SDK

Get started with Python

Node.js SDK

Get started with Node.js

​Quick Comparison

​Core Operations

​Search & Retrieval

​Ask (RAG)

​Enrichment & Memory Cards

​Graph & Logic Mesh

​Tables

​Timeline & History

​Embedding Models

​Maintenance & Administration

​Encryption

​Configuration & Plans

​Tickets & Capacity

​Media Processing

​Output Formats

​Choosing the Right Interface

​Use CLI When:

​Use Python SDK When:

​Use Node.js SDK When:

​Feature Availability Legend

​Requesting Features

​Next Steps

Python SDK

Node.js SDK

Quick Comparison

Core Operations

Search & Retrieval

Ask (RAG)

Enrichment & Memory Cards

Graph & Logic Mesh

Tables

Timeline & History

Embedding Models

Maintenance & Administration

Encryption

Configuration & Plans

Tickets & Capacity

Media Processing

Output Formats

Choosing the Right Interface

Use CLI When:

Use Python SDK When:

Use Node.js SDK When:

Feature Availability Legend

Requesting Features

Next Steps