Memory Query

Memory Query Skill

Query past conversations using intelligent tier-based retrieval with automatic fallback chains and query intent classification.

When Not to Use

• Current session context (already in memory)
• Real-time conversation (skill queries historical data only)
• Cross-project search (memory stores are per-project)

Quick Commands

Codex CLI uses skills for contextual assistance. Each command below provides the same functionality as the /memory-search, /memory-recent, and /memory-context commands available in other adapters.

Search Memories

Search conversation history by topic or keyword. Equivalent to /memory-search.

Usage:

# Route query through optimal tier with automatic fallback
memory-daemon retrieval route "<query>" --agent codex

# Direct BM25 keyword search
memory-daemon teleport search "<keywords>" --top-k 10

# Semantic vector search
memory-daemon teleport vector-search -q "<query>" --top-k 10

# Hybrid search (best of both)
memory-daemon teleport hybrid-search -q "<query>" --top-k 10

Arguments:

Example workflow:

# 1. Check what search capabilities are available
memory-daemon retrieval status

# 2. Route the query through optimal layers
memory-daemon retrieval route "JWT authentication errors"

# 3. For more control, search directly
memory-daemon teleport hybrid-search -q "JWT authentication" --top-k 5

Output format:

## Search Results: [query]

Found [N] results using [Tier Name] tier.

### [Date] (score: X.XX)
> [Relevant excerpt]
`grip:ID`

---
Drill down: expand grip for full context

Recent Memories

Browse recent conversation summaries. Equivalent to /memory-recent.

Usage:

# Get TOC root (shows available time periods)
memory-daemon query --endpoint http://[::1]:50051 root

# Navigate to current month
memory-daemon query --endpoint http://[::1]:50051 node --node-id "toc:month:2026-02"

# Browse recent days
memory-daemon query --endpoint http://[::1]:50051 browse --parent-id "toc:week:2026-W06" --limit 10

# Search within a time period
memory-daemon query search --parent "toc:week:2026-W06" --query "<topic>" --limit 10

Arguments:

Example workflow:

# 1. Start at root to see available years
memory-daemon query --endpoint http://[::1]:50051 root

# 2. Drill into current month
memory-daemon query --endpoint http://[::1]:50051 browse --parent-id "toc:month:2026-02"

# 3. Look at a specific day
memory-daemon query --endpoint http://[::1]:50051 node --node-id "toc:day:2026-02-10"

Output format:

## Recent Conversations

### [Date]
**Summary:** [bullet points from TOC node]
**Keywords:** [extracted keywords]

### [Date - 1]
**Summary:** [bullet points]
**Keywords:** [keywords]

---
Expand any excerpt with its grip ID for full context.

Expand Context

Retrieve full conversation context around a specific excerpt. Equivalent to /memory-context.

Usage:

memory-daemon query --endpoint http://[::1]:50051 expand \
  --grip-id "<grip_id>" \
  --before 5 \
  --after 5

Arguments:

Example workflow:

# 1. Search finds a relevant excerpt with grip ID
memory-daemon teleport search "authentication"
# Result includes: grip:1738252800000:01JKXYZ

# 2. Expand the grip for full context
memory-daemon query --endpoint http://[::1]:50051 expand \
  --grip-id "grip:1738252800000:01JKXYZ" \
  --before 5 --after 5

Output format:

## Context for grip:ID

### Before (5 events)
- [event 1]
- [event 2]
...

### Excerpt
> [The referenced conversation segment]

### After (5 events)
- [event 1]
- [event 2]
...

Error Handling

Prerequisites

memory-daemon status  # Check daemon
memory-daemon start   # Start if needed

Validation Checklist

Before presenting results:

• Daemon running: memory-daemon status returns "running"
• Retrieval tier detected: retrieval status shows tier and layers
• TOC populated: root command returns year nodes
• Query returns results: Check for non-empty bullets arrays
• Grip IDs valid: Format matches grip:{13-digit-ms}:{26-char-ulid}

Retrieval Tiers

The system automatically detects available capability tiers:

Check current tier:

memory-daemon retrieval status

Query Intent Classification

Queries are automatically classified by intent for optimal routing:

The classifier extracts time constraints automatically:

Query: "What did we discuss about JWT last Tuesday?"
-> Intent: Answer
-> Time constraint: 2026-01-28 (Tuesday)
-> Keywords: ["JWT"]

Fallback Chains

The system automatically falls back when layers are unavailable:

Tier 1: Topics -> Hybrid -> Vector -> BM25 -> Agentic
Tier 2: Hybrid -> Vector -> BM25 -> Agentic
Tier 3: Vector -> BM25 -> Agentic
Tier 4: BM25 -> Agentic
Tier 5: Agentic (always works)

Fallback triggers:

• Layer returns no results
• Layer timeout exceeded
• Layer health check failed

Explainability

Every query result includes an explanation:

{
  "tier_used": 2,
  "tier_name": "Hybrid",
  "method": "bm25_then_vector",
  "layers_tried": ["bm25", "vector"],
  "fallbacks_used": [],
  "time_constraint": "2026-01-28",
  "stop_reason": "max_results_reached",
  "confidence": 0.87
}

Display to user:

Search used: Hybrid tier (BM25 + Vector)
0 fallbacks needed
Time filter: 2026-01-28

TOC Navigation

Hierarchical time-based structure:

Year -> Month -> Week -> Day -> Segment

Node ID formats:

• toc:year:2026
• toc:month:2026-01
• toc:week:2026-W04
• toc:day:2026-01-30

Intelligent Search

The retrieval system routes queries through optimal layers based on intent and tier.

Intent-Driven Workflow

1. Classify intent - System determines query type:

   memory-daemon retrieval classify "What JWT discussions happened last week?"
   # Intent: Answer, Time: last week, Keywords: [JWT]
   

2. Route through optimal layers - Automatic tier detection:

   memory-daemon retrieval route "JWT authentication"
   # Tier: 2 (Hybrid), Method: bm25_then_vector
   

3. Execute with fallbacks - Automatic failover:

   memory-daemon teleport search "JWT authentication" --top-k 10
   # Falls back to agentic if indices unavailable
   

4. Expand grip for verification:

   memory-daemon query expand --grip-id "grip:..." --before 3 --after 3
   

Teleport Search (BM25 + Vector)

For Tier 1-4, use teleport commands for fast index-based search:

# BM25 keyword search
memory-daemon teleport search "authentication error"

# Vector semantic search
memory-daemon teleport vector "conceptual understanding of auth"

# Hybrid search (best of both)
memory-daemon teleport hybrid "JWT token validation"

Topic-Based Discovery (Tier 1 only)

When topics are available, explore conceptually:

# Find related topics
memory-daemon topics query "authentication"

# Get top topics by importance
memory-daemon topics top --limit 10

# Navigate from topic to TOC nodes
memory-daemon topics nodes --topic-id "topic:authentication"

Search Command Reference

# Search within a specific node
memory-daemon query search --node "toc:month:2026-01" --query "debugging"

# Search children of a parent
memory-daemon query search --parent "toc:week:2026-W04" --query "JWT token"

# Search root level (years)
memory-daemon query search --query "authentication"

# Filter by fields (title, summary, bullets, keywords)
memory-daemon query search --query "JWT" --fields "title,bullets" --limit 20

Agent Navigation Loop

When answering "find discussions about X":

1. Check retrieval capabilities:

   memory-daemon retrieval status
   # Returns: Tier 2 (Hybrid) - BM25 + Vector available
   

2. Classify query intent:

   memory-daemon retrieval classify "What JWT discussions happened last week?"
   # Intent: Answer, Time: 2026-W04, Keywords: [JWT]
   

3. Route through optimal layers:

   • Tier 1-4: Use teleport for fast results
   • Tier 5: Fall back to agentic TOC navigation

4. Execute with stop conditions:

   • max_depth: How deep to drill (default: 3)
   • max_nodes: Max nodes to visit (default: 50)
   • timeout_ms: Query timeout (default: 5000)

5. Return results with explainability:

   Method: Hybrid (BM25 + Vector reranking)
   Time filter: 2026-W04
   Layers: bm25 -> vector
   

Example with tier-aware routing:

Query: "What JWT discussions happened last week?"
-> retrieval status -> Tier 2 (Hybrid)
-> retrieval classify -> Intent: Answer, Time: 2026-W04
-> teleport hybrid "JWT" --time-filter 2026-W04
  -> Match: toc:segment:abc123 (score: 0.92)
-> Return bullets with grip IDs
-> Offer: "Found 2 relevant points. Expand grip:xyz for context?"
-> Include: "Used Hybrid tier, BM25+Vector, 0 fallbacks"

Agentic Fallback (Tier 5)

When indices are unavailable:

Query: "What JWT discussions happened last week?"
-> retrieval status -> Tier 5 (Agentic only)
-> query search --parent "toc:week:2026-W04" --query "JWT"
  -> Day 2026-01-30 (score: 0.85)
-> query search --parent "toc:day:2026-01-30" --query "JWT"
  -> Segment abc123 (score: 0.78)
-> Return bullets from Segment with grip IDs
-> Include: "Used Agentic tier (indices unavailable)"

CLI Reference

# Get root periods
memory-daemon query --endpoint http://[::1]:50051 root

# Navigate node
memory-daemon query --endpoint http://[::1]:50051 node --node-id "toc:year:2026"

# Browse children
memory-daemon query --endpoint http://[::1]:50051 browse --parent-id "toc:month:2026-01"

# Expand grip
memory-daemon query --endpoint http://[::1]:50051 expand --grip-id "grip:..." --before 3 --after 3

Response Format

## Memory Results: [query]

### [Time Period]
**Summary:** [bullet points]

**Excerpts:**
- "[excerpt]" `grip:ID`

---
Expand: expand grip:ID for full context
Search related: search for [topic]

Limitations

• Cannot access conversations not yet ingested into memory-daemon
• Topic layer (Tier 1) requires topics.enabled = true in config
• Novelty filtering is opt-in and may exclude repeated mentions
• Cross-project search not supported (memory stores are per-project)
• Codex CLI does not support hooks -- events must be ingested via direct CchEvent format

Advanced

See Command Reference for full CLI options.