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/elbwalker/walkeros/walkeros-create-cmp-sourcenpx skills add elbwalker/walkerOS --skill walkeros-create-cmp-sourcegit clone --depth 1 https://github.com/elbwalker/walkerOSWhat 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 | $0.00065 | $0.07823 |
| Opus 5 | $0.00032 | $0.03911 |
| Sonnet 5 | $0.00013 | $0.01565 |
| Haiku 4.5 | $0.00006 | $0.00782 |
Grade C, and why
walkeros-create-cmp-source scanned grade C 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 2d 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.
Recursive force deletehighDestructive command
rm -rf with a variable or a broad path is one typo away from removing the wrong tree.
"clean": "rm -rf .turbo && rm -rf node_modules && rm -rf dist", How it starts
The opening of the file, as written. The whole thing — 825 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Create a CMP Source
A CMP source is a specialized walkerOS source that listens to a consent
management platform's events and translates consent states into
elb('walker consent', state) calls.
Every CMP source follows the same skeleton with only 5-6 decision points that vary per CMP. This skill turns "build a new CMP source" into a structured fill-in-the-blanks workflow.
Prerequisites
Before starting, read these skills:
- understanding-flow - How sources fit in architecture
- understanding-sources - Source interface
- create-source - General source creation workflow
- testing-strategy - How to test
- writing-documentation - Documentation standards (for Phase 8)
Supporting files
This skill includes reference files you can copy:
- examples/ - Generic CMP consent examples to adapt for your
CMP
- inputs.ts - Consent input scenarios (full, partial, minimal, revocation)
- outputs.ts - Expected walkerOS consent states after mapping
- env.ts - Mock environment factories (createMockElb, createMockWindow)
- templates/cmp/ - Complete CMP source implementation
template
- index.ts - Source implementation with detection paths + handleConsent
- types.ts - Type definitions (Settings, CMP API, Types bundle)
- test-utils.ts - Test utilities (MockWindow, createMockElb, createCmpSource)
- index.test.ts - Test suite skeleton (8 describe blocks)
Note: These are generic templates for the skill. The actual CMP package's
examples go in packages/web/sources/cmps/[name]/src/examples/.
Canonical template
What ships with it
9 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.
- examples/env.ts 2.1 KB runs code
- examples/index.ts 207 B runs code
- examples/inputs.ts 1.8 KB runs code
- examples/outputs.ts 1.7 KB runs code
- templates/cmp/index.test.ts 9.3 KB runs code
- templates/cmp/index.ts 4.3 KB runs code
- templates/cmp/test-utils.ts 3.5 KB runs code
- templates/cmp/types.ts 2.4 KB runs code
- TESTING.md 3.5 KB
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.
- 2d ago First seen · 825 lines · 65 tokens per session scan C 15ddfcb36b4c
walkeros-create-cmp-source is a skill published in the GitHub repository elbwalker/walkerOS (343 stars, last pushed 7d ago), licensed MIT. It adds 65 tokens to every session and 7,823 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it C with 1 finding (recursive force delete). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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