Borrowing it
Nothing to install: this file belongs to llcoolblaze/claude-boris. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/llcoolblaze/claude-boris/main/.claude/commands/session-start.mdgit clone --depth 1 https://github.com/llcoolblaze/claude-borisWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/commands/llcoolblaze/claude-boris/session-start)<a href="https://agentmods.dev/commands/llcoolblaze/claude-boris/session-start"><img src="https://agentmods.dev/badge/commands/llcoolblaze/claude-boris/session-start/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/commands/llcoolblaze/claude-boris/session-start"><img src="https://agentmods.dev/badge/commands/llcoolblaze/claude-boris/session-start.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00022 | $0.00640 |
| Opus 5.5 | $0.00009 | $0.00256 |
| Sonnet 5.5 | $0.00004 | $0.00128 |
| Haiku 4.5 | $0.00002 | $0.00064 |
Grade B, and why
session-start scanned grade B with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Reads agent configuration directoriesmediumAgent snooping
.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.
!`cat .claude/memory/projectContext.md 2>/dev/null | head -40 || echo "📝 No project context - run /memory-init to set up"` How it starts
The opening of the file, as written. The whole thing — 93 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Session Start
Memory Bank Loading...
Project Context
!cat .claude/memory/projectContext.md 2>/dev/null | head -40 || echo "📝 No project context - run /memory-init to set up"
Active Context (Last Session State)
!cat .claude/memory/activeContext.md 2>/dev/null | head -30 || echo "No active context"
Progress Status
!cat .claude/memory/progress.md 2>/dev/null | grep -A 20 "## In Progress\|## Completed" | head -25 || echo "No progress tracking"
Recent Session
!cat .claude/memory/sessionHistory.md 2>/dev/null | head -40 || echo "No session history"
Project Status
!pwd
!git status --short 2>/dev/null || echo "Not a git repo"
!git branch --show-current 2>/dev/null
!git log --oneline -5 2>/dev/null
Environment Check
!node --version 2>/dev/null || echo "Node not found"
!cat package.json 2>/dev/null | jq -r '.name + " v" + .version' 2>/dev/null || echo ""
Open Issues
!gh issue list --state open --limit 5 2>/dev/null || echo ""
CLAUDE.md Quick Reference
!cat CLAUDE.md 2>/dev/null | head -30 || echo "No CLAUDE.md"
Session Initialization Protocol
1. Synthesize Context
From Memory Bank, understand:
- Project: What is this and what's its purpose?
- Last Session: What was being worked on?
- Current Focus: From activeContext.md
- Pending Items: From progress.md
2. State Summary
Report to user:
📚 Memory Bank Loaded
Project: [Name from projectContext]
Last Session: [Date and summary from sessionHistory]
Last Working On: [From activeContext]
Pending Tasks: [Count from progress]
Current Branch: [Git branch]
Uncommitted Changes: [Yes/No]
Ready to continue where you left off.
3. Update Active Context
Mark session start:
- Record start timestamp
- Note current branch
- Update session state
4. Suggest Next Actions
Based on context:
- Continue last session's work?
- Address pending items?
- Review open issues?
- Start something new?
Quick Actions
- Continue last task: Pick up where you left off
- Check progress:
/progress - Review decisions: Look at decisionLog.md
- Start fresh: "What would you like to work on?"
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2mo ago First seen · 93 lines · 22 tokens per session scan B fc4f4892eda0
session-start is a command published in the GitHub repository llcoolblaze/claude-boris (49 stars, last pushed 9mo ago), licensed MIT. It adds 22 tokens to every session and 640 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it B with 1 finding (reads agent configuration directories). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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