Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/dwmkerr/claude-toolkit/claude-code-statusline-developmentnpx skills add dwmkerr/claude-toolkit --skill claude-code-statusline-developmentgit clone --depth 1 https://github.com/dwmkerr/claude-toolkitWrote 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/skills/dwmkerr/claude-toolkit/claude-code-statusline-development)<a href="https://agentmods.dev/skills/dwmkerr/claude-toolkit/claude-code-statusline-development"><img src="https://agentmods.dev/badge/skills/dwmkerr/claude-toolkit/claude-code-statusline-development.svg" alt="Measured on agentmods" 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 | $0.00070 | $0.00685 |
| Opus 5 | $0.00035 | $0.00342 |
| Sonnet 5 | $0.00014 | $0.00137 |
| Haiku 4.5 | $0.00007 | $0.00068 |
Grade A, and why
claude-code-statusline-development 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 6d 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 — 97 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Claude Code Statusline Development
Create custom status lines that display contextual information at the bottom of Claude Code.
Quick Reference
You MUST read the reference files for detailed schemas and examples:
- JSON Schema - Complete input structure documentation
- Example: Simple - Basic bash statusline
- Example: Git-Aware - Git branch and status
- Example: Context Usage - Context window percentage
- Example: Cost Tracking - Session costs and tokens
Configuration
Add to .claude/settings.json:
{
"statusLine": {
"type": "command",
"command": "~/.claude/statusline.sh",
"padding": 0
}
}
How It Works
- Status line updates when conversation messages change
- Updates run at most every 300ms
- First line of stdout becomes the status line text
- ANSI color codes supported
- JSON context passed via stdin
JSON Input (Quick Reference)
| Field | Description |
|---|---|
model.display_name |
Model name (e.g., "Opus") |
workspace.current_dir |
Current working directory |
workspace.project_dir |
Original project directory |
cost.total_cost_usd |
Session cost in USD |
cost.total_lines_added |
Lines added this session |
cost.total_lines_removed |
Lines removed this session |
context_window.context_window_size |
Max context tokens |
context_window.current_usage |
Current token usage object |
See JSON Schema for complete structure.
Script Template
#!/bin/bash
input=$(cat)
# Extract values using jq
model=$(echo "$input" | jq -r '.model.display_name')
dir=$(echo "$input" | jq -r '.workspace.current_dir')
# Colors via tput
blue=$(tput setaf 4)
reset=$(tput sgr0)
echo "${blue}[$model]${reset} ${dir##*/}"
Make executable:
chmod +x ~/.claude/statusline.sh
What ships with it
6 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 6d ago First seen · 97 lines · 70 tokens per session scan A 145200958a3b
claude-code-statusline-development is a skill published in the GitHub repository dwmkerr/claude-toolkit (23 stars, last pushed 11d ago), licensed MIT. It adds 70 tokens to every session and 685 once invoked, about $0.0003 per session on Opus 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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