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/abruptive/ankh.md/ankh-developmentnpx skills add Abruptive/Ankh.md --skill ankh-developmentgit clone --depth 1 https://github.com/Abruptive/Ankh.mdWrote 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/abruptive/ankh.md/ankh-development)<a href="https://agentmods.dev/skills/abruptive/ankh.md/ankh-development"><img src="https://agentmods.dev/badge/skills/abruptive/ankh.md/ankh-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 | $0.00029 | $0.01849 |
| Opus 5 | $0.00015 | $0.00924 |
| Sonnet 5 | $0.00006 | $0.00370 |
| Haiku 4.5 | $0.00003 | $0.00185 |
Grade A, and why
Ankh 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 4d 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 — 180 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Ankh Development Skill
Techniques and shortcuts for developing ankh. For global repo facts and preferences, see AGENTS.md.
Quick Start
bun install
bun bootstrap
Add ~/.agent/extensions/ankh/bin to PATH. Run hermes ankh or ankh for usage.
Version Upgrade
1. Update pinned version
Edit src/vendor.json (source of truth):
"source": {
"type": "git",
"url": "https://github.com/NousResearch/hermes-agent",
"branch": "v2026.3.12",
"version": "v2026.3.12"
}
- Set
versionandbranchto the desired Hermes tag (e.g.v2026.3.13).
2. Fresh clone and reapply patches
Patches are applied against the cloned Hermes source. After a version bump, patches may fail:
# Force a clean cache for the new version
FRESH_CACHE=1 bash src/scripts/build/install.sh
If a patch fails, install.sh will exit with an error. Fix the patch in src/patches/core/<name>.patch and retry.
3. Patch resolution order
The apply order is defined in src/scripts/build/install.sh (the for patch_name in ... loop). Post-patch hooks: directory runs identity.py; banner runs banner.py.
4. Verify after upgrade
bun bootstrap
bun run test:e2e:repo
bun run test:e2e:tarball
Build, Deploy, Test
| Command | Purpose |
|---|---|
bun run install |
Clone Hermes, apply patches → .build/cache/<version>/ |
bun run build |
Create venv, bundle patched source → .build/ |
bun run deploy |
Copy to ~/.agent/extensions/ankh/runtime, create wrappers in ~/.agent/extensions/ankh/bin |
bun run test |
Validate build, deploy, scoping, uninstall flows |
bun bootstrap |
install → build → deploy |
bun run reset |
Remove .build |
Shortcuts
- Full cycle:
bun bootstrap - Re-patch only (no re-clone):
bun run install(uses existing cache if hash matches) - Fresh patch run:
FRESH_CACHE=1 bun run install - Override paths (for CI or isolation):
CACHE_DIR,BUILD_DIR,HOME,VERSION
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.
- 4d ago First seen · 180 lines · 29 tokens per session scan A a79690d027d9
Ankh Development is a skill published in the GitHub repository Abruptive/Ankh.md (74 stars, last pushed 5mo ago), licensed MIT. It adds 29 tokens to every session and 1,849 once invoked, about $0.0001 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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