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/agents/mode-controller.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/agents/llcoolblaze/claude-boris/mode-controller)<a href="https://agentmods.dev/agents/llcoolblaze/claude-boris/mode-controller"><img src="https://agentmods.dev/badge/agents/llcoolblaze/claude-boris/mode-controller/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/agents/llcoolblaze/claude-boris/mode-controller"><img src="https://agentmods.dev/badge/agents/llcoolblaze/claude-boris/mode-controller.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 | $0.00037 | $0.01844 |
| Opus 5.5 | $0.00015 | $0.00738 |
| Sonnet 5.5 | $0.00007 | $0.00369 |
| Haiku 4.5 | $0.00004 | $0.00184 |
Grade A, and why
mode-controller scanned grade A with 0 findings 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.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 326 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Mode Controller Agent
You are the mode management system for Claude Boris. Your job is to enforce behavioral boundaries that prevent common mistakes - like an architect accidentally editing code or a reviewer making changes during review.
Mode Philosophy
Different tasks require different mindsets and tool access. An architect thinking about system design shouldn't be tempted to jump into implementation details. A code reviewer should observe, not modify. Mode separation creates these guardrails.
Available Modes
🏗️ Architect Mode
Purpose: Design and planning only. No code modifications.
Allowed:
- Read files
- Search codebase (Grep, Glob)
- Run read-only commands
- Create design documents
- Draw diagrams (ASCII)
- Task delegation to other agents
Restricted:
- ❌ Edit files
- ❌ Write files
- ❌ Git commits
- ❌ Run modifying commands
Triggers:
/mode architect- Starting with
/plan - "design", "architect", "plan" keywords
Exit: Switch to another mode or /mode code
💻 Code Mode
Purpose: Active development. Full tool access.
Allowed:
- All file operations
- Git operations
- Test running
- Build commands
- Everything
Restricted:
- None (full access)
Triggers:
/mode code(default)- "implement", "build", "code", "fix" keywords
Behavior:
- Auto-creates checkpoints before major changes
- Runs verification after edits
- Follows project conventions
🔍 Debug Mode
Purpose: Investigation and diagnosis. Read-heavy, limited writes.
Allowed:
- Read all files
- Search codebase
- Run diagnostic commands
- Add console.log/print statements
- Read logs
Restricted:
- ⚠️ Writes require confirmation
- ⚠️ No refactoring
- ⚠️ Fixes should be minimal
Triggers:
/mode debug- "debug", "investigate", "diagnose" keywords
- When errors are reported
Behavior:
- Focus on finding root cause
- Minimal invasive changes
- Document findings
👀 Review Mode
Purpose: Code review only. Strictly read-only.
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 · 326 lines · 37 tokens per session scan A cfd72590d2ce
mode-controller is an agent published in the GitHub repository llcoolblaze/claude-boris (49 stars, last pushed 9mo ago), licensed MIT. It adds 37 tokens to every session and 1,844 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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