mcp-external-memory
An MCP server that gives LLMs persistent, searchable semantic memory.
Install
pip install mcp-external-memory
Usage
from mcp_external_memory import memory_store, memory_search
# Store a memory
result = memory_store(content="Alice prefers dark mode", namespace="users", tags=["alice", "ui"])
# Search memories
results = memory_search(query="what does Alice prefer?", namespace="users")
CLI
mcp-external-memory --help
API
Tools
| Tool | Description |
|---|---|
memory_store |
Persist text + optional namespace/tags/metadata |
memory_search |
Semantic search (cosine similarity) over all memories |
memory_get |
Retrieve a single memory by ID |
memory_delete |
Delete a memory by ID |
memory_list |
List memories with optional namespace/tag filter + pagination |
memory_stats |
Count of memories, namespaces, DB path |
memory_update |
Update an existing memory |
Embedding Backends
The server supports multiple embedding backends:
- TF-IDF (default): Pure Python, no external dependencies
- OpenAI: Uses
text-embedding-3-smallmodel - Ollama: Local embeddings with Ollama
Set via MEMORY_EMBED_BACKEND environment variable.
Development
git clone https://github.com/daedalus/mcp-external-memory.git
cd mcp-external-memory
pip install -e ".[test]"
# run tests
pytest
# format
ruff format src/ tests/
# lint
ruff check src/ tests/
# type check
mypy src/
MCP Registry
mcp-name: io.github.daedalus/mcp-external-memory
1 maintainer
Metadata
1 maintainer
Release files for mcp-external-memory 0.1.2
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| File | Size | Uploaded | |
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| mcp_external_memory-0.1.2.tar.gz | 11.5 kB | Details |
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|---|---|---|---|---|
| mcp_external_memory-0.1.2-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 23.1 kB
Release files / mcp_external_memory-0.1.2.tar.gz
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