From oracle-skills
Mines Claude Code session history with timelines, gaps, repo attribution, and deep scan capabilities. Useful for browsing past sessions or work timeline.
How this skill is triggered — by the user, by Claude, or both
Slash command
/oracle-skills:dig [N] | --all | --timeline | --deep[N] | --all | --timeline | --deepThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Mine Claude Code session data for timelines, gaps, and repo attribution. No query needed.
Mine Claude Code session data for timelines, gaps, and repo attribution. No query needed.
/dig # Current repo, 10 most recent
/dig [N] # Current repo, N most recent
/dig --all # All repos, ALL sessions (auto-detect count)
/dig --all [N] # All repos, N most recent
/dig --deep # Deep scan — ALL .jsonl files (not just most-recent per project)
/dig --deep [N] # Deep scan, N most recent
/dig --all --deep # All repos, deep scan — full coverage
/dig --timeline # Day-by-day grouped (current repo)
/dig --all --timeline # Day-by-day grouped (all repos, ALL sessions)
Standard /dig deduplicates by session basename — only showing the most recent file per session. This misses historical sessions, subagent sessions, and worktree sessions.
--deep scans ALL .jsonl files across all project directories. Output includes extra fields:
toolCalls — number of tool invocations in the sessionfileSizeKB — session file size in KB"X of Y sessions" showing how many were returned vs founddig.py v2 auto-detects timezone instead of hardcoding GMT+7:
MAW_DISPLAY_TZ env var (e.g., Asia/Bangkok, 7, America/New_York)TZ env varOutput metadata includes detected timezone name and offset.
date "+🕐 %H:%M %Z (%A %d %B %Y)"
ENCODED_PWD=$(pwd | sed 's|^/|-|; s|[/.]|-|g')
PROJECT_BASE=$(ls -d "$HOME/.claude/projects/${ENCODED_PWD}" 2>/dev/null | head -1)
export PROJECT_DIRS="$PROJECT_BASE"
# Strip -wt* suffix to find parent project dir
PARENT_ENCODED=$(echo "$ENCODED_PWD" | sed 's/-wt-[^/]*$//')
if [ "$PARENT_ENCODED" != "$ENCODED_PWD" ]; then
PARENT_BASE=$(ls -d "$HOME/.claude/projects/${PARENT_ENCODED}" 2>/dev/null | head -1)
[ -n "$PARENT_BASE" ] && export PROJECT_DIRS="$PROJECT_DIRS:$PARENT_BASE"
fi
# nullglob-safe worktree scan (both parent and self)
for base in "$PROJECT_BASE" "$PARENT_BASE"; do
[ -z "$base" ] && continue
for wt in "$base"-wt-*(N); do # (N) = zsh nullglob qualifier
[ -d "$wt" ] && export PROJECT_DIRS="$PROJECT_DIRS:$wt"
done
done
Encodes pwd the same way Claude does (replace / and . with -, prepend -) to match the .claude/projects/ directory naming (e.g. github.com → github-com). Detects parent project from worktree dirs (strips -wt-* suffix) and includes both parent and self worktrees. The (N) qualifier prevents zsh crashes when no worktrees exist.
With --all (all repos):
export PROJECT_DIRS=$(ls -d "$HOME/.claude/projects/"*/ | tr '\n' ':')
Run the dig script. Pass 0 for --all (no limit), or N if user specified a count, default 10:
python3 ~/.claude/skills/dig/scripts/dig.py [N] [--deep]
# N=10 (default), N=0 (scan all sessions), N=50 (50 most recent)
# --deep: scan ALL .jsonl files (not just most-recent per basename)
When --deep is used, add extra columns to the table:
| # | Date | Session | Min | Repo | Msgs | Tools | Size | Focus |
And show coverage in the footer:
**Coverage**: [returned]/[found] sessions | **Timezone**: [tz_name] (GMT+[offset])
Read the JSON output and display as a table. Sessions are chronological (oldest first). Gap rows (type: "gap") span the session column with · · · prefix:
## Session Timeline
| # | Date | Session | Min | Repo | Msgs | Focus |
|---|------|---------|-----|------|------|-------|
| | | · · · sleeping / offline | | | | |
| 1 | 02-21 | 08:40–09:08 | 28m | oracle-skills-cli | 5 | Wire /rrr to read pulse data |
| | | · · · 45m gap | | | | |
| 2 | 02-21 | 09:55–10:23 | 28m | homelab | 3 | oracle-pulse birth + CLI flag |
| | | · · · no session yet | | | | |
**Dirs scanned**: [list PROJECT_DIRS]
**Total sessions found**: [count]
Column rendering rules:
| | | · · · [label] | | | | | — number + date empty, label in Session colMM-DD short format (strip year)HH:MM–HH:MM using startGMT7 and endGMT7 (strip date, keep time only)[durationMin]mrepoName field from dig.py output (resolved via ghq)realHumanMessages count"Msgs" = real typed human messages (not tool approvals).
When --timeline flag is present, group sessions by date instead of a flat table. Use --all to see all repos (recommended for timeline).
Step 1: Run dig.py with 0 for --all (scans all sessions), or user-specified count
Step 2: Group sessions by date from startGMT7. Render each day as:
## Feb 22 (Sun) — [vibe label]
· · · sleeping / offline
08:48–09:11 23m homelab Update Fleet Runbook + Explore black.local
09:11–11:30 139m homelab Set Up KVM OpenClaw Node on black.local
09:37–12:51 194m Nat-s-Agents /recap → supergateway → CF ZT → arra-oracle-v3 dig
· · · 45m gap
12:51–13:03 12m Nat-s-Agents Dig All + Design arra-oracle-v3 ← current
· · · no session yet
## Feb 21 (Sat) — Long day: Fleet + Brewing + Skills
06:19–08:38 139m homelab Moltworker Gateway + MBP Node
08:40 (bg) openclaw ClawHub Build Script (idle long)
09:23–16:08 405m homelab Debug MBP Node 401 — Gateway Token Auth
Rendering rules:
## MMM DD (Day) — [vibe label] — infer vibe from session summaries (e.g. "Infrastructure Day", "Brewing + Skills")HH:MM–HH:MM [N]m REPO Summary — use repoName for repo, summary for focus· · · [label] between sessions when gap > 30 min(bg) for sessions with isSidechain: true← current marker on the last session of the current day (today only)startGMT7 time portion only (HH:MM), endGMT7 time portion (HH:MM)Step 3: Show summary footer:
**Days**: [count] | **Sessions**: [count] | **Total time**: [sum of durationMin]m
After displaying the timeline, log the discovery to Oracle so it's searchable later:
arra_trace({
query: "dig session [N]",
project: "[repo-name]",
foundFiles: [],
foundCommits: [list of commit hashes from timeline],
foundIssues: []
})
This connects /dig discoveries to /trace — "When did we first work on X?" becomes answerable.
ARGUMENTS: $ARGUMENTS
npx claudepluginhub soul-brews-studio/arra-oracle-skills-cli --plugin oracle-skillsSearches Claude Code session history using full-text search on summaries, commits, projects, and branches. Use for queries like 'find where I discussed X' or 'search for Y'.
Analyzes Claude Code sessions in three modes: Handoff Document (exhaustive context extraction), Error Forensics (complete error/warning inventory), and Chronological Summary (dense technical timeline).
Analyzes Claude Code session logs to improve prompt quality, optimize tool usage, track costs, and identify productivity patterns including peak hours and common errors.