Pieces for Developers (LTM)
Long-term memory engine for developers — captures everything the user does (browser, IDE, terminal) on-device, exposes via MCP for any IDE/agent.
At a glance
- Type
- On-device long-term memory for IDEs
- Tier
- T2
- Section
- Dedicated memory layers
- Created
- 2022
- Latest release
- searched not found
- License
- searched not found
- GitHub
- searched not found
- Pricing
- searched not found
- Funding
- searched not found
Taxonomy
- storage
- vector
- retrieval
- similarity
- persistence
- long-term
- update
- accretion
- unit
- episode
- governance
- plaintext
- conflict
- n/a
When to use
Optimised for: searched not found
Anti-fit: searched not found
Pros & cons
Pros
searched not found
Cons
searched not found
Claims & capabilities
On-device LTM; 9-month rolling memory window in default config; PiecesOS backend.
Technical surface
- API surface
- searched not found
- Backend storage
- searched not found
- Deployment
- Local + hybrid cloud sync
- Embedding model
- searched not found
- Multi-tenancy
- searched not found
- MCP
- native (PiecesOS MCP server)
- A2A
- searched not found
- OpenTelemetry
- searched not found
Similar systems
Other dedicated memory layers in the catalog, ranked by inbound references.
- Mem0 T1
Universal memory layer for AI agents. Three concurrent stores (vector + graph + KV); LLM-extracted facts; concurrent retrieval via ThreadPoolExecutor.
- Zep & Graphiti T1
Bi-temporal knowledge graph (event time + ingestion time). Strong on chronological reasoning and contradiction tracking. Graphiti is the open-source core.
- Cognee T1
"Extract–Cognify–Load" pipeline that turns raw input into a typed, queryable knowledge graph for agent recall.
- Hindsight (Vectorize) T1
Standalone memory service from Vectorize. Open source. Biomimetic four-network design (World, Bank, Observation, Opinion). Ships an MCP memory server.
- Memvid T2
Single-file memory layer (one .mv2 file). No DB, no server. Append-only sequence of immutable Smart Frames with timestamps + checksums. Native Rust core (rewritten from Python).
- Supermemory T1
Memory engine with API, app, browser extension, and MCP server. Extracts facts, tracks updates, resolves contradictions, auto-forgets expired info. Plugins for Claude Code, OpenCode, OpenClaw, Hermes.
Related systems
References (1)
- Model Context Protocol (MCP spec) depends on at runtime — on-device, exposes via MCP for any IDE/agent.