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Archive log entries when they exceed 32 entries, using batches of 2^k for compact storage. Extractive only — no invented facts. Run whenever _meta/log.md grows unwieldy.
Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.
Based on SOC occupation classification
Compile today's or a specified daily capture into the Vault Architecture v2 structure. Runs a three-stage EXTRACT -> TRANSFORM -> LOAD pipeline that updates concepts, atlas MOCs, synthesis pages, the root index, build log, manifest, state, session bootstrap context, and auto-archive folds. Triggers: "compile today", "/mmc", "compile YYYY-MM-DD", "--all" for batch. Use /mmq instead to query the vault without modifying it.
Lint the knowledge base for broken links, orphan pages, stale captures, and wikilink convention violations. Run as a periodic health check.
Query the knowledge base. Reads session context first, then the root index, then relevant atlas, concept, and synthesis pages, and synthesizes a clear answer with [[wikilink]] citations. Use when you want to ask about past decisions, patterns, lessons, or technical knowledge captured in previous AI conversations. Use the `insights` argument to surface workflow-coaching advisories from hook-generated data.
Show vault health: files, token metrics, compilation status, knowledge graph quality, and raw capture inventory. Invoke whenever user checks Memory Mason status or audits the knowledge base.
Set up, reconfigure, or remove Memory Mason. Configures vault path, installs hooks if missing, or uninstalls everything. Use when the user says "set up memory mason", "install hooks", "configure memory mason", "reconfigure memory mason", "get memory mason running", "my hooks aren't working", "uninstall memory mason", "remove memory mason", or runs /mmsetup.
| name | mma |
| description | Archive log entries when they exceed 32 entries, using batches of 2^k for compact storage. Extractive only — no invented facts. Run whenever _meta/log.md grows unwieldy. |
| argument-hint | [--dry-run | --commit] [--k <n>] |
| allowed-tools | Read Write Edit Glob |
Fold the oldest 2^k entries from _meta/log.md into a single summary page, reducing log.md size while preserving all information.
This command is operational only. Do not write /mma, /memory-mason:mma, or their execution chatter back into the vault.
Use /mma for:
--k 5 folds 32 entries at once)--dry-run)Resolve vault config in priority order: ./.env → ./memory-mason.json → ~/.memory-mason/.env → ~/.memory-mason/config.json.
{vault}: absolute path to the Obsidian vault.{subfolder}: MEMORY_MASON_SUBFOLDER (.env source) or subfolder field (JSON source); default ai-knowledge.Run with --dry-run (default) to preview, --commit to write, --k N to batch 2^N entries (default k=4, 16 entries).
Read {vault}/{subfolder}/_meta/log.md.
## [).Determine fold range.
fold-k{k}-from-{EARLIEST-DATE}-to-{LATEST-DATE}-n{COUNT}
Example: fold-k4-from-2026-04-01-to-2026-04-16-n16Generate fold summary.
Fold page format (_meta/folds/{fold-id}.md):
---
fold_id: "{fold-id}"
entries_folded: {COUNT}
source: "_meta/log.md"
created: {ISO-date}
---
# Build Log Fold: {EARLIEST-DATE} to {LATEST-DATE}
{COUNT} entries. Compiles: {n} | Created: {n} ([[wikilinks]]) | Updated: {n} | Queries: {n}
## Source Entries
{verbatim copy of folded entries}
Write the fold page to _meta/folds/{fold-id}.md.
Remove the folded entries from log.md.
<!-- folded: [[{subfolder}/_meta/folds/{fold-id}]] ({COUNT} entries, {EARLIEST-DATE} to {LATEST-DATE}) -->Append to log.md:
## [{ISO-timestamp}] fold | {fold-id}
- Entries folded: {COUNT} ({EARLIEST-DATE} to {LATEST-DATE})
- Fold page: [[{subfolder}/_meta/folds/{fold-id}]]
Report without writing:
Fold plan:
- Entries to fold: {COUNT} (oldest 2^{k})
- Date range: {EARLIEST-DATE} to {LATEST-DATE}
- Fold ID: {fold-id}
- Fold page: _meta/folds/{fold-id}.md
- Remaining in log.md: {total - COUNT} entries
Run /mma --commit to execute.