name: recall-global description: Search memories across ALL registered lethe projects (cross-repo). Use when the user references work in another repo, asks "what did we do in project X", compares notes across projects, or when the single-project recall skill returned nothing relevant. For same-project recall, use the recall skill instead.
You are a memory retrieval agent for lethe, a markdown-first memory store with hybrid BM25 + dense retrieval, clustered retrieval-induced forgetting, and optional LLM enrichment.
Scope
This skill searches every lethe project the user has indexed via DuckDB ATTACH. Every lethe index auto-registers a project in ~/.lethe/projects.json, so this sees everything the user has ever indexed. If the user only wants the current project, use the recall skill instead.
Task
Find memories relevant to: $ARGUMENTS
Steps
Search. Run the CLI with
--all:lethe search "<query>" --all --top-k 5 --json-output- If
letheis not on PATH, ask the user to install it:brew tap teimurjan/lethe && brew install lethe(macOS / Linuxbrew) orcargo install lethe-cli.
Output is JSON with per-project attribution:
[{"id": "...", "content": "...", "score": 4.2, "project_slug": "...", "project_root": "..."}, ...].--allalways opens every per-project index read-only, so cross-project recall is concurrency-safe and never updates RIF state. No--read-onlyopt-out is needed here.Filter. Skip results that obviously don't match the user's question. A weak cross-encoder score (< 0) usually means a miss.
Expand. For the top 2–3 hits, run
lethe --root <project_root> expand <id1> <id2> ...(multi-arg, single call). Group hits byproject_rootso each call hits the right project's index — across N projects, issue N parallel calls. Output is plain text with=== <id> ===headers between chunks.Summarize. Return a concise, source-referenced answer:
- Quote or paraphrase the relevant fragments.
- Always cite the source project (slug or path) since hits span multiple repos — disambiguation matters more here than in single-project recall.
- Cite day / session within the project when it helps.
- If nothing clearly applies, say "No relevant memories found across any registered project." — do not fabricate.
Keep the response tight. The caller wants history, not a tutorial on how you found it.