Stateless query and analysis frontend over Claude session data. MCP server is the canonical surface; slash commands wrap the same tool. Reads repo-recall directly (and session-lattice once it ships). No local store, no docker, no hooks.
Long-horizon autonomous dispatch planner. Triages the org backlog, splits oversized tickets, proposes rehoming/dedup/stale-close, scores tickets for AFK-ability, surfaces structural-context asks for the operator, then fires each survivor as a headless `coily dispatch` session. Aliases - autonomous dispatch, autonomous engineering, AFK queue, lights-out queue, AFK dispatch, plan the AFK run, queue autonomous work, run the lights-out factory, what should the bots work on.
Ask LUCA a natural-language question about recent Claude Code agent activity. Routes the question to a small dispatch table over repo-recall data and returns a focused answer. Triggers - /luca-ask, luca ask, ask luca, what did session, which sessions touched, find sessions mentioning, sessions about, what's most expensive, top sessions by tokens, who worked on, what's in flight, what needs attention, is anything not done.
Greedy free-text historical sweep — did we already do this? The default tool when Kai asks a "did we land X" shaped question, before reaching for git log or ls. Triggers - /luca-history, luca history, ask history, did we land, did we already do this, I thought we did this, we just did this, what happened with, didn't we already.
Inspect recent Claude Code agent activity by querying repo-recall directly. Stateless, no stack. Triggers - /luca-inspect, luca inspect, inspect luca, what's luca seeing, summarize this session, what did I just do, recent sessions, peek at the substrate.
LUCA consumer skill. Runs the query digest over a wider window and adds cross-run synthesis (recurring patterns, anomalies). Produces observations, not actions. Aliases - luca meta loop, run luca, luca digest, meta loop, luca-meta-loop, what are the agents doing, substrate digest, what did this week look like.
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Stateless query and analysis frontend over Claude session data. Canonical surface is an MCP server (luca.query_digest, luca.query_repos, luca.ask); a Claude Code plugin wraps the same tools. Reads repo-recall directly. No local store, no docker, no hooks.
Three-layer substrate: repo-recall is the authoritative store over Claude session JSONL, git log, GitHub. session-lattice (pending) maintains materialized views in embedded DuckDB, rebuilt on a refresh tick. LUCA queries those layers and turns the results into insights. Canonical framing: agentic-os-kai/docs/substrate.md.
LUCA: Last Universal Common Ancestor. luca#38.
Prerequisites: macOS or Linux, Python 3.10+, uv on PATH, repo-recall running (brew install coilysiren/tap/repo-recall && brew services start coilysiren/tap/repo-recall).
As a Claude Code plugin:
claude plugin marketplace add coilysiren/luca
claude plugin install luca@coilysiren-luca
coily exec preflight
The plugin auto-registers the MCP server via .claude-plugin/plugin.json.
As a standalone MCP server (any client):
{ "mcpServers": { "luca": { "command": "uv", "args": ["run", "/path/to/luca/luca/server.py"] } } }
mcporter call luca.query_digest window=7d
mcporter call luca.query_repos limit=5
mcporter call luca.ask question="what did session abc1234 do"
query_* returns one specific data type each. ask routes a natural-language question to a small dispatch table over the same data. Unrecognized questions return a message naming the patterns LUCA supports.
LUCA makes no LLM calls. The host Claude session does the open-ended reasoning over the targeted data LUCA returns.
Inside a Claude Code session, slash commands wrap the tools: /luca-inspect (Q1 digest), /luca-ask (one question), /luca-history (sweep), /tooling-luca-meta-loop (Q2 lens). From the shell, coily exec query-digest, coily exec ask -- "...", coily exec mcp-server.
Path count is multiplicative once fan-out is real (The Harness Is the Backend: 4 agents × 5 backends = 80 stochastic paths). LUCA turns N × M paths into something readable.
Progressive improvement across runs: the substrate accumulates value the longer it runs, where a UI session resets each time. No UI navigation required: queries deliver observations directly into the agent session. See luca#48. The two abstract questions live in docs/questions.md.
Cross-reference convention from coilysiren/agentic-os#59.
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