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/event4u-app/agent-config/context-authoringnpx skills add event4u-app/agent-config --skill context-authoringgit clone --depth 1 https://github.com/event4u-app/agent-configWrote 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/event4u-app/agent-config/context-authoring)<a href="https://agentmods.dev/skills/event4u-app/agent-config/context-authoring"><img src="https://agentmods.dev/badge/skills/event4u-app/agent-config/context-authoring.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 | $0.00033 | $0.02167 |
| Opus 5 | $0.00016 | $0.01084 |
| Sonnet 5 | $0.00007 | $0.00433 |
| Haiku 4.5 | $0.00003 | $0.00217 |
Grade A, and why
context-authoring 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 5d 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 — 197 lines — stays where its author put it; the contents beside it link to each section on GitHub.
context-authoring
When to use
Use this skill when:
- A new project has been scaffolded and the
agents/settings/contexts/files are still template stubs fromevent4u/agent-config. - The user asks "help me fill in the auth model context", "set up tenant boundaries", or similar knowledge-layer work.
- A reviewer skill (
authz-review,data-flow-mapper,migration-safety,multi-tenant-boundary-review,secrets-and-config-review) reports "I cannot proceed —agents/settings/contexts/<file>.mdis still a template". - After a significant architecture change that invalidates one of the five context files.
Do NOT use when:
- Writing a regular roadmap or feature doc — use
agent-docs-writing. - Creating a generic context document that does not map to one of the five
knowledge-layer templates — use
context-create. - Filling in the engineering-memory YAML files (
domain-invariants.yml, etc.) — use/memory-add.
The five files
| File | What it answers | Who reads it |
|---|---|---|
auth-model.md |
Roles, permission model, impersonation, known exceptions | authz-review, judge-security-auditor, threat-modeling |
tenant-boundaries.md |
Tenancy type, scope propagation, known cross-tenant paths | multi-tenant-boundary-review, blast-radius-analyzer, judge-security-auditor |
data-sensitivity.md |
Field classification, masking rules, log-safe types | data-flow-mapper, logging reviewers |
deployment-order.md |
Migration strategy, feature flags, rollback plan | migration-safety, judge-bug-hunter, release reviewers |
observability.md |
Error tracking, log channels, metrics, known alerts | deploy reviewers, bug-analyzer, incident mode |
The templates ship in src/agent-src/templates/contexts/ and are
copied into agents/settings/contexts/ by the installer.
Procedure: context-authoring
Step 0: Inspect
- List
agents/settings/contexts/— which of the five files exist? Which still contain the<!-- Template shipped by event4u/agent-config. -->HTML comment? - Ask the user which file to work on. Use numbered options:
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.
- 5d ago First seen · 197 lines · 33 tokens per session scan A 0bae180ab2e5
context-authoring is a skill published in the GitHub repository event4u-app/agent-config (10 stars, last pushed today), licensed MIT. It adds 33 tokens to every session and 2,167 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 2026-08-31.
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