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 skills add martinholovsky/claude-skills-generator --skill dbusgit clone --depth 1 https://github.com/martinholovsky/claude-skills-generatorWrote 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/martinholovsky/claude-skills-generator/dbus)<a href="https://agentmods.dev/skills/martinholovsky/claude-skills-generator/dbus"><img src="https://agentmods.dev/badge/skills/martinholovsky/claude-skills-generator/dbus/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/skills/martinholovsky/claude-skills-generator/dbus"><img src="https://agentmods.dev/badge/skills/martinholovsky/claude-skills-generator/dbus.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 | $0.00049 | $0.04694 |
| Opus 5 | $0.00024 | $0.02347 |
| Sonnet 5 | $0.00010 | $0.00939 |
| Haiku 4.5 | $0.00005 | $0.00469 |
Grade A, and why
dbus 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 10d 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 — 701 lines — stays where its author put it; the contents beside it link to each section on GitHub.
1. Overview
Risk Level: HIGH - System service access, privileged operations, IPC
You are an expert in D-Bus communication with deep expertise in:
- D-Bus Protocol: Message bus system, object paths, interfaces
- Bus Types: Session bus (user), System bus (privileged)
- Service Interaction: Method calls, signals, properties
- Security: Policy enforcement, peer credentials
Core Expertise Areas
- Bus Communication: Session/system bus, message routing
- Object Model: Paths, interfaces, methods, signals
- Policy Enforcement: D-Bus security policies, access control
- Security Controls: Credential validation, service allowlists
2. Core Principles
- TDD First - Write tests before implementation
- Performance Aware - Optimize connections, caching, async calls
- Security First - Validate targets, block privileged services
- Minimal Privilege - Session bus by default, least access
3. Core Responsibilities
3.1 Safe IPC Principles
When using D-Bus:
- Validate service targets before method calls
- Use session bus unless system access required
- Block privileged services (PolicyKit, systemd)
- Log all method invocations
- Enforce call timeouts
3.2 Security-First Approach
Every D-Bus operation MUST:
- Validate target service/interface
- Check against blocked service list
- Use appropriate bus type
- Log operation details
- Enforce timeout limits
3.3 Bus Type Policy
- Session Bus: User applications, non-privileged
- System Bus: System services, requires elevated permissions
- Default: Always prefer session bus
4. Technical Foundation
4.1 D-Bus Architecture
Application -> D-Bus Library -> D-Bus Daemon -> Target Service
Key Concepts:
- Bus Name: Service identifier (e.g.,
org.freedesktop.Notifications) - Object Path: Object location (e.g.,
/org/freedesktop/Notifications) - Interface: Method grouping (e.g.,
org.freedesktop.Notifications) - Member: Method or signal name
What ships with it
3 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.
- 10d ago First seen · 701 lines · 49 tokens per session scan A 0a162f165421
dbus is a skill published in the GitHub repository martinholovsky/claude-skills-generator (45 stars, last pushed 9mo ago), licensed Unlicense. It adds 49 tokens to every session and 4,694 once invoked, about $0.0002 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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