mnemo-db
PyPI distribution of Mnemo — an MCP-native memory database for AI agents.
pip install mnemo-db
The package directory and import path are still mnemo — only the PyPI distribution name has the -db suffix because the unqualified mnemo is held by an unrelated 2021 notebook project. Your code keeps saying:
from mnemo import MnemoClient
Quick start
from mnemo import MnemoClient
client = MnemoClient(db_path="agent.mnemo.db", agent_id="agent-1")
# Three primitives carry most workflows.
result = client.remember("The user prefers dark mode", tags=["preference"])
memories = client.recall("user preferences", limit=5)
client.forget([result["id"]])
# Mem0-compatible aliases also work:
# client.add(...), client.search(...), client.delete(...)
# Write provenance + FORGET BY PROVENANCE — audit who wrote what, then clean up.
prov = client.write_provenance(result["id"]) # who wrote it, under what authority
client.writes_by_principal("agent-1") # everything a principal wrote
client.forget_by_principal("agent-1", "hard_delete") # revoke it all (audit trail survives)
# Each provenance record has a `flags` list. On remember(), content shaped like a
# provider opaque reasoning payload (arXiv:2608.09867 — these have leaked secrets
# in the wild) is flagged "opaque_reasoning_payload" and RECORDED, not rejected,
# so you can revoke it by principal/session later. It detects a SHAPE — not proof
# a secret is present — and never decodes the content.
if "opaque_reasoning_payload" in (prov or {}).get("flags", []):
client.forget_by_session(prov["session_id"], "redact")
What's in the box
| Surface | What |
|---|---|
MnemoClient |
Native PyO3 binding to the Rust engine — DuckDB storage, USearch HNSW vector index, Tantivy full-text index, hybrid retrieval, hash-chained audit log |
MnemoMemoryToolServer |
Anthropic memory_20250818 6-op handler. pip install 'mnemo-db[anthropic-memory-tool]' |
MnemoLettaShared |
Letta-style Conversations adapter for shared agent memory |
S3Workspace / CloudflareR2Workspace |
OpenAI Agents SDK GA snapshot store backends. pip install 'mnemo-db[openai-sandbox-s3]' or [openai-sandbox-r2] |
MnemoAgentMemory (OpenAI), Mem0Compat, MnemoCheckpointer (LangGraph 1.x — ASMDCheckpointer is the back-compat alias), 12 more |
Drop-in framework integrations. Install the matching extra. |
Optional extras
pip install 'mnemo-db[langgraph]' # LangGraph checkpoint
pip install 'mnemo-db[crewai]' # CrewAI memory
pip install 'mnemo-db[openai-agents]' # OpenAI Agents SDK
pip install 'mnemo-db[claude]' # Claude Agent SDK
pip install 'mnemo-db[anthropic-memory-tool]' # memory_20250818
pip install 'mnemo-db[openai-sandbox-s3]' # S3 workspace backend
pip install 'mnemo-db[openai-sandbox-r2]' # Cloudflare R2 workspace backend
pip install 'mnemo-db[benchmark]' # LoCoMo / LongMemEval harness
Each extra fails closed if not installed — from mnemo import MnemoMemoryToolServer will raise ImportError cleanly when [anthropic-memory-tool] isn't on the path.
License + source
Source: https://github.com/sattyamjjain/mnemo. Apache-2.0.
Documentation: https://github.com/sattyamjjain/mnemo#readme. Issues: https://github.com/sattyamjjain/mnemo/issues.
1 maintainer
Metadata
1 maintainer
Release files for mnemo-db 0.5.29
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Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| mnemo_db-0.5.29.tar.gz | 401.5 kB | Details |
Built distributions (wheels)
| File | Reset | |||
|---|---|---|---|---|
| mnemo_db-0.5.29-cp313-cp313-manylinux_2_28_x86_64.whl | CPython 3.13 | CPython 3.13 | Linux glibc 2.28+ x86-64 | Details |
| mnemo_db-0.5.29-cp313-cp313-macosx_11_0_arm64.whl | CPython 3.13 | CPython 3.13 | macOS 11.0+ ARM64 | Details |
| mnemo_db-0.5.29-cp312-cp312-manylinux_2_28_x86_64.whl | CPython 3.12 | CPython 3.12 | Linux glibc 2.28+ x86-64 | Details |
| mnemo_db-0.5.29-cp312-cp312-macosx_11_0_arm64.whl | CPython 3.12 | CPython 3.12 | macOS 11.0+ ARM64 | Details |
| mnemo_db-0.5.29-cp311-cp311-manylinux_2_28_x86_64.whl | CPython 3.11 | CPython 3.11 | Linux glibc 2.28+ x86-64 | Details |
| mnemo_db-0.5.29-cp311-cp311-macosx_11_0_arm64.whl | CPython 3.11 | CPython 3.11 | macOS 11.0+ ARM64 | Details |
| mnemo_db-0.5.29-cp310-cp310-manylinux_2_28_x86_64.whl | CPython 3.10 | CPython 3.10 | Linux glibc 2.28+ x86-64 | Details |
| mnemo_db-0.5.29-cp310-cp310-macosx_11_0_arm64.whl | CPython 3.10 | CPython 3.10 | macOS 11.0+ ARM64 | Details |
Total release size: 172.8 MB
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