Release mempal v0.1.0 — Project memory for coding agents · ZhangHanDong/mempal

Storage: SQLite + sqlite-vec, single file ~/.mempal/palace.db
Embedding: model2vec (default, 256d multilingual) or ONNX (optional, 384d)
Search: BM25 (FTS5) + vector + RRF(k=60) + Wing/Room routing + tunnel hints
Schema: v4 (importance ranking, soft-delete, FTS5 triggers, triples)
Binary: 8.5MB (LTO + strip + opt-level=z)

What is mempal?

Single binary project memory for coding agents. cargo install mempal, find past decisions with citations in seconds.

Hybrid search: BM25 + vector + RRF fusion
Knowledge graph: temporal triples (add/query/invalidate/timeline/stats)
Cross-wing tunnels: automatic cross-project knowledge discovery
Self-describing protocol: 9 behavioral rules embedded in MCP ServerInfo
Multilingual: model2vec-rs (BGE-M3 distilled), zero native dependencies
7 MCP tools: status, search, ingest, delete, taxonomy, kg, tunnels
AAAK compression: BNF grammar + jieba Chinese word segmentation
Safety: soft-delete, audit logging, semantic dedup warnings
5 ingest formats: Claude JSONL, ChatGPT JSON, Codex CLI, Slack DM, plain text
Agent diary: cross-session behavioral learning (Rule 5a)
Auto-dream integration: memory consolidation with Claude Code

cargo install mempal

mempal init ~/code/myapp
mempal ingest ~/code/myapp --wing myapp
mempal search "auth decision clerk"
mempal wake-up