A knowledge sidecar for Claude Code
Project description
keephive
A knowledge sidecar for Claude CodeIt captures what you learn, verifies it stays true, and surfaces it when relevant. |
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TLDR
- Install:
curl -fsSL https://raw.githubusercontent.com/joryeugene/keephive/main/install.sh | bash - Use Claude Code normally. Seven hooks run automatically: they capture what you learn, inject it next session, and flag when facts go stale.
- Look around:
hive status(h s),hive log(h l),hive todo - Visual overview:
hive serve(h ws) opens a browser dashboard at localhost:3847 - Periodic cleanup:
hive verify(h v),hive reflect(h rf),hive audit(h a)
Everything else on this page is optional depth.
[!TIP] Shortcuts everywhere. Three CLI names:
keephive,hive,h. Every command has a short alias (h s,h r,h rc,h v,h rf,h a). Guides and prompts resolve by slug, prefix, or substring:h p pr-re → pr-review-git-staged-diff-analysis.md h k agent → agent-principles.md h n code-review → starts note from code-review prompt template h go pr-re → launches session with pr-review prompt loadedYou never type a full name. Two keystrokes for the command, a few more for the target.
After a few sessions, hive shows what your agent has learned:
Text output
$ hive
keephive v0.15.0
● hooks ● mcp ● data
4 facts (4 ok) | 12 today | 8 yesterday | 2 guides | 48K
42 cmds today · 120 this week · 5d streak ▁▂▅▃█▇▂▁▁▃▅▆▇█▂▁▁▁▁▁▁▁▁
1 open TODO(s):
[today] Add rate limiting to the /upload endpoint.
Today:
~ [10:42:15] FACT: Auth service uses JWT with RS256, tokens expire after 1h.
~ [10:38:01] DECISION: Chose Postgres over SQLite for multi-user support.
~ [09:15:44] INSIGHT: The retry logic in api_client.py silently swallows 429s.
[09:12:30] DONE: Migrate user table to new schema.
Active draft: slot 1 · "api testing todo list..." (47 words) -> hive nc
hive go (session) | hive l (log) | hive rf (reflect) | hive help
Install
curl -fsSL https://raw.githubusercontent.com/joryeugene/keephive/main/install.sh | bash
One command. Installs keephive, registers 7 hooks and an MCP server, and verifies everything. Requires uv. Run once; re-run after upgrades.
Or install manually:
uv tool install keephive
keephive setup
Via pip:
pip install keephive
keephive setup
From source:
git clone https://github.com/joryeugene/keephive.git
cd keephive && uv tool install . && keephive setup
Stay up to date
hive up # upgrade in place (recommended)
uv tool upgrade keephive # manual alternative; run keephive setup after
[!TIP] Run
keephive setupagain after upgrading manually to sync hooks and the MCP server registration to the new binary path.
When to use what
Every day (bread and butter)
| I want to... | Command |
|---|---|
| See what's going on | hive status (hive s) |
| Save something I learned | hive remember "FACT: ..." (hive r) |
| Find something from before | hive recall <query> (hive rc) |
| Track a task | hive todo "fix auth" (hive t) |
| Mark a task done | hive todo done "auth" (hive td) |
| See today's log | hive log (hive l) |
Visual overview
| I want to... | Command |
|---|---|
| Browse everything in a browser | hive serve |
| Quick terminal glance | hive status (hive s) |
| Watch for changes live | hive status --watch |
| See active sessions | hive ps |
Weekly maintenance (when things accumulate)
| I want to... | Command |
|---|---|
| Check if old facts are still true | hive verify (hive v) |
| Find patterns in daily logs | hive reflect (hive rf) |
| Get a quality assessment | hive audit (hive a) |
| Archive old logs | hive gc |
Power features (when you need them)
| I want to... | Command |
|---|---|
| Launch a focused session | hive session (hive go) |
| Run a session with a custom prompt | hive go <prompt> (prefix match) |
| Edit memory/rules/todos directly | hive edit <target> (hive e) |
| Use a multi-slot scratchpad | hive note (hive n) |
| Create a knowledge guide | hive knowledge edit <name> (hive ke) |
| Generate a standup | hive standup (hive su) |
How it works
keephive uses the three extension points Claude Code exposes:
- Hooks fire on events (session start, conversation compact, user prompt). They capture insights and inject context without any agent action.
- MCP server gives Claude Code native tool access (
hive_remember,hive_recall, etc.) so the agent can read and write memory directly. - Context injection surfaces verified facts, behavioral rules, stale warnings, matching knowledge guides, open TODOs, and cross-project activity hints at the start of every session via the SessionStart hook's
additionalContextfield.
The loop
capture --> recall --> verify --> correct
^ |
+---------------------------------+
- Capture: The PreCompact hook extracts FACT/DECISION/TODO/INSIGHT entries when conversations compact. It reads the full transcript, classifies insights via LLM, and writes them to today's daily log.
- Recall: Captured entries surface automatically at the next session start via context injection.
hive rcsearches all tiers directly;hiveshows current state. - Verify: Facts carry
[verified:YYYY-MM-DD]timestamps. After 30 days (configurable), they are flagged stale.hive vchecks them against the codebase with LLM analysis and tool access. - Correct: Invalid facts get replaced with corrected versions. Valid facts get re-stamped. Uncertain facts get flagged for human review.
Architecture
flowchart TD
subgraph CYCLE["Session Cycle (7 hooks)"]
direction LR
START([New session]) -->|"SessionStart:<br>inject context"| WORK([Working])
WORK -->|"PostToolUse · UserPromptSubmit:<br>nudge, ui-queue inject"| WORK
WORK -->|"Stop:<br>turn count, micro-nudge"| WORK
WORK -->|"TaskCompleted:<br>auto-log DONE"| WORK
WORK -->|context full| PC["PreCompact:<br>extract → log<br>+ pending-facts queue"]
PC -->|next session| START
WORK -->|session ends| SEND["SessionEnd:<br>finalize stats"]
end
subgraph STORE["Knowledge Store (~/.claude/hive/)"]
MEM[("Memory<br>30–90d TTL")]
GUIDES[("Guides")]
RULES[("Rules")]
LOG[("Daily log")]
TODOS[("TODOs")]
PENDING[(".pending-facts")]
STATS[(".stats.json<br>workflow analytics")]
end
subgraph CC["Claude Code Data (~/.claude/usage-data/)"]
META[("session-meta/<br>msgs, tools, duration,<br>lines, tokens, commits")]
FACETS[("facets/<br>outcome, friction,<br>satisfaction")]
end
subgraph MANUAL["On-demand (CLI · MCP)"]
REM["hive r · capture"]
RCL["hive rc · recall"]
VRF["hive v · verify"]
REV["hive mem review"]
RFL["hive rf · reflect"]
DASH["hive serve · dashboard<br>+ bookmarklet"]
STCMD["hive stats · hive insights"]
end
START -->|reads| STORE
PC --> LOG
PC --> PENDING
LOG -->|"hive rf · promote"| MEM
PENDING -->|"hive mem review"| MEM
MEM -->|"hive v · re-stamp"| MEM
REM --> LOG
RCL -.->|searches| STORE
VRF --> MEM
REV --> MEM
RFL --> GUIDES
DASH -.->|reads| STORE
DASH -.->|"session analytics"| CC
STCMD -.->|"session analytics"| CC
STCMD -.->|"workflow analytics"| STORE
SEND -.->|".stats.json"| STATS
classDef ccdata fill:#1a1a2e,stroke:#4a9eff,stroke-width:2px,color:#4a9eff
class META,FACETS ccdata
Memory tiers
| Tier | Path | Purpose |
|---|---|---|
| Working memory | ~/.claude/hive/working/memory.md |
Core facts, loaded every session |
| Rules | ~/.claude/hive/working/rules.md |
Behavioral rules for the agent |
| Knowledge guides | ~/.claude/hive/knowledge/guides/ |
Deep reference on specific topics |
| Daily logs | ~/.claude/hive/daily/YYYY-MM-DD.md |
Append-only session logs |
| Archive | ~/.claude/hive/archive/ |
Old daily logs after gc |
Hooks
| Hook | Trigger | What it does |
|---|---|---|
| SessionStart | New session | Injects memory, rules, TODOs, stale warnings |
| PreCompact | Conversation compacts | Extracts insights from transcript, writes to daily log with project attribution |
| PostToolUse | After Edit/Write | Periodic nudge to record decisions |
| UserPromptSubmit | User sends prompt | Periodic nudge, UI queue injection |
| Stop | Agent turn ends | Increments turn counter, periodic micro-nudge |
| SessionEnd | Session terminates | Finalizes session stats with accurate end timestamp |
| TaskCompleted | Task marked done | Auto-logs DONE entry to daily log |
Commands
Full command reference (35 commands)
| Command | Short | What |
|---|---|---|
| Capture | ||
hive remember "text" |
hive r "text" |
Save to daily log |
hive t <text> |
Quick-add a TODO | |
hive note |
hive n |
Multi-slot scratchpad ($EDITOR) |
hive n todo |
hive 4 todo |
Extract action items from a note slot |
| Recall | ||
hive status |
hive / hive s |
Status overview |
hive recall <query> |
hive rc <query> |
Search all tiers |
hive log [date] |
hive l |
View daily log; hive l summarize for LLM summary |
hive todo |
hive td |
Open TODOs with ages |
hive todo done <pat> |
Mark TODO complete | |
hive knowledge |
hive k |
List/view knowledge guides |
hive prompt |
hive p |
List/use prompt templates |
hive ps |
Active sessions, project activity, git state | |
hive session [mode] |
hive go |
Launch interactive session |
hive standup |
hive su |
Standup summary with GitHub PR integration |
hive stats |
hive st |
Usage statistics |
| Verify | ||
hive verify |
hive v |
Check stale facts against codebase; auto-corrects |
hive reflect |
hive rf |
Pattern scan across daily logs |
hive audit |
hive a |
Quality Pulse: 3 perspectives + synthesis |
| Manage | ||
hive mem [rm] <text> |
hive m |
Add/remove working memory facts |
hive rule [rm] <text> |
Add/remove behavioral rules | |
hive rule learn |
Learn rules from /insights friction data | |
hive rule review |
Accept/reject pending rule suggestions | |
hive edit <target> |
hive e |
Edit memory, rules, todos, etc. |
hive skill |
hive sk |
Manage skill plugins |
| Maintain | ||
hive doctor |
hive dr |
Health check |
hive gc |
hive g |
Archive old logs |
hive setup |
Register hooks and MCP server | |
hive update |
hive up |
Upgrade keephive in-place |
| Dashboard | ||
hive serve [port] |
hive ws |
Live web dashboard (localhost:3847) |
hive ui |
Show / manage UI feedback queue |
Features in depth
Dashboard
hive serve launches a live web dashboard at localhost:3847 with 8 views:
| View | Path | Focus |
|---|---|---|
| All | / |
Everything: status, log, TODOs, knowledge, memory, notes |
| Daily | /daily |
Active session: log with date nav, TODOs+recurring, standup |
| Dev | /dev |
Quick reference: TODOs+log, facts, knowledge+memory compact |
| Simple | /simple |
Minimal: status, log, TODOs |
| Stats | /stats |
Usage: sparkline, heatmap, streak, command breakdown |
| Know | /know |
Knowledge guides with markdown rendering |
| Mem | /mem |
Working memory + rules |
| Notes | /notes |
Multi-slot scratchpad with switcher |
Auto-refresh (configurable interval), Cmd+K search, split-pane resizing, CRUD forms (remember, add TODO, mark done, append note), log type filters, and zero external dependencies.
UI feedback loop: hive ui-install generates a bookmarklet and copies it to your clipboard. Paste it as a bookmark URL, then click it on any page to capture an element selector and a note. The feedback is POSTed to the dashboard server, queued in .ui-queue, and automatically injected into your next Claude Code prompt via the UserPromptSubmit hook. No copy-paste required.
Log Summarize
hive l summarize pipes today's log entries to claude-haiku and prints 3-5 bullet-point highlights. Useful after long sessions before compaction.
Smart Recall
hive rc <query> uses an SQLite FTS5 index over all daily logs and the archive for ranked full-text search. Run hive gc to rebuild the index. Falls back to grep if the index is absent.
Guide front matter
Knowledge guides support optional YAML front matter for controlling injection:
| Field | Effect |
|---|---|
tags: [tag1, tag2] |
Matched against project name for auto-injection |
projects: [proj1] |
Matched against project name for auto-injection |
paths: ["/path/pattern"] |
Matched against working directory for auto-injection |
always: true |
Injected into every session regardless of project (opt-in, no guides ship with this) |
Guides without front matter match only by filename (project name as substring). The always: true flag is strictly opt-in and costs one of the three guide slots per session, so use it only for guides that genuinely apply to every project.
Notes
hive n is a multi-slot scratchpad. Each slot persists across sessions, auto-copies to clipboard on save, and can be initialized from a prompt template (hive n <template>). Use hive n.2 or hive 2 to switch to slot 2 and open it in $EDITOR.
hive n todo (or hive 4 todo for slot 4) scans the active slot for action items. Both plain text lines and bullet points from a ## todo section become candidates; items over 120 characters are skipped as observations. For a single item, you get a yes/no prompt. For multiple items, your $EDITOR opens with the candidates — delete lines you don't want, save and quit to confirm.
hive 4 "text" appends text directly to slot 4 without opening an editor. Use bare-digit commands with a quoted string to capture quick notes mid-session.
Edit
hive e <target> opens files in $EDITOR. Targets: memory, rules, todo (with diff-on-save), CLAUDE.md, settings, daily log, notes. Run hive e with no arguments to see all targets.
Sessions
hive go launches an interactive Claude session with your full keephive context pre-loaded (memory, rules, TODOs, stale warnings, matching guides). The SessionStart hook detects the launch and skips re-injection to avoid duplication.
| Command | What |
|---|---|
hive go |
General session with full memory and warnings |
hive session todo |
Walk through open TODOs one by one |
hive session verify |
Check stale facts against the codebase |
hive session learn |
Active recall quiz on recent decisions |
hive session reflect |
Pattern discovery from daily logs |
hive session <prompt> |
Load a custom prompt from knowledge/prompts/ |
Custom prompts resolve by prefix, so hive go pr-re finds pr-review-git-staged-diff-analysis.md. You can also pipe content in: cat api-spec.yaml | hive go review. Pass -c to continue the last conversation or -r <id> to resume a specific session.
Reflect
hive rf scans daily logs for recurring patterns across multiple days. When it finds a theme, hive rf draft <topic> generates a knowledge guide from the matching entries. This is how scattered daily notes become structured reference material.
Audit
hive a runs three parallel LLM analyses on your memory state (fact accuracy, data hygiene, strategic gaps), then synthesizes them into a quality score with actionable suggestions.
Standup
hive su generates a standup summary from recent daily log activity and optionally includes GitHub PR data.
Stats
hive st shows usage statistics with per-project breakdown, session streaks, and activity sparklines. The dashboard stats view (/stats) adds a 14-day sparkline with day-of-week labels and weekend shading, an hourly heatmap, and a sortable command breakdown table.
Prompts
hive p lists reusable prompt templates stored in knowledge/prompts/. Use them to start notes (hive n <template>) or launch custom sessions (hive session <template>).
MCP tools
All commands are also available as MCP tools for Claude Code to call directly:
hive_remember, hive_recall, hive_status, hive_todo, hive_todo_done, hive_knowledge, hive_knowledge_write, hive_prompt, hive_prompt_write, hive_mem, hive_rule, hive_log, hive_audit, hive_recurring, hive_stats, hive_fts_search, hive_standup, hive_ps
Configuration
Environment variables
| Variable | Default | Description |
|---|---|---|
HIVE_HOME |
~/.claude/hive |
Data directory |
HIVE_STALE_DAYS |
30 |
Days before a fact is flagged stale |
HIVE_CAPTURE_BUDGET |
4000 |
Characters to extract from transcripts |
ANTHROPIC_API_KEY |
(unset) | Enables LLM features inside Claude Code sessions. Never needed from a terminal. |
NO_COLOR |
(unset) | Disable terminal colors |
LLM features
[!IMPORTANT] keephive calls
claude -pfor LLM features. If you're on a Claude Pro or Max subscription, these calls are included at no extra cost (they count against your plan's normal usage limits). If you use Claude Code with API billing,claude -pcalls consume your API tokens.ANTHROPIC_API_KEYis never checked from a terminal or a hook.
The API path exists for one specific case: running LLM commands (hive a, hive v, etc.) inside a Claude Code session rather than from a separate terminal. That is the only time ANTHROPIC_API_KEY is consulted.
Billing tiers and LLM-powered commands
Two tiers
| Tier | When active | Cost |
|---|---|---|
claude -p subprocess |
Terminal or hooks (default, always) | Included with Pro/Max (counts against usage limits); consumes API tokens if on API billing |
| Direct Anthropic API | Inside Claude Code + ANTHROPIC_API_KEY set |
Paid — per-token API billing |
Hooks (PreCompact, etc.) run without the CLAUDECODE environment variable, so they always take the claude -p subprocess path regardless of whether ANTHROPIC_API_KEY is present in your shell.
LLM-powered commands
| Command | Model | When to use |
|---|---|---|
hive a (audit) |
3× haiku + 1× sonnet | Intentional quality check |
hive v (verify) |
sonnet + tools, multi-turn | Validating stale facts |
hive rf analyze/draft |
haiku | Pattern discovery |
hive su (standup) |
haiku | Daily standup generation |
hive l summarize |
haiku | End-of-session summary |
hive dr (doctor) |
haiku, optional | Duplicate TODO detection |
| PreCompact hook | haiku | Automatic on compaction |
hive a and hive v are the heavyweight operations. Use them intentionally.
Free commands (no LLM)
hive r, hive rc, hive s, hive todo, hive t, hive m, hive rule, hive e, hive n, hive k, hive p, hive st, hive l (without summarize), hive gc, hive sk, and all hooks except PreCompact (SessionStart, PostToolUse, UserPromptSubmit, Stop, SessionEnd, TaskCompleted).
Disable automatic LLM calls
[!NOTE] Set
HIVE_SKIP_LLM=1to skip the PreCompact hook's extraction step. SessionStart never calls an LLM.
Development
uv run pytest # all tests
uv run pytest -m llm -v -o "addopts=" # LLM E2E tests (slow, real API calls)
uv run pytest -x # stop on first failure
See CLAUDE.md for architecture details.
License
MIT
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