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 mishahanin/heading-os --skill vossgit clone --depth 1 https://github.com/mishahanin/heading-osWrote 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/mishahanin/heading-os/voss)<a href="https://agentmods.dev/skills/mishahanin/heading-os/voss"><img src="https://agentmods.dev/badge/skills/mishahanin/heading-os/voss/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/mishahanin/heading-os/voss"><img src="https://agentmods.dev/badge/skills/mishahanin/heading-os/voss.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 | $0.00141 | $0.01776 |
| Opus 5 | $0.00071 | $0.00888 |
| Sonnet 5 | $0.00028 | $0.00355 |
| Haiku 4.5 | $0.00014 | $0.00178 |
Grade A, and why
voss 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 9d 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 — 210 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Voss Tactical Coaching Engine
Prepare a situation-specific tactical playbook for any important conversation, using Christopher Voss's FBI negotiation methodology.
Variables
counterpart: [Who - name, title, company, role in this conversation]
situation: [What the conversation is about]
goal: [What you want to achieve - primary and secondary outcomes]
tension: [What makes this difficult or high-stakes - optional but valuable]
Instructions
Before building the playbook, read:
reference/voss-negotiation.md- Full Voss methodology referencereference/misha-voice.md- Ensure playbook language matches Misha's authentic voicecontext/people.md- Check if counterpart is listed; load relationship historycontext/pipeline.md- Check if this relates to an active deal or partnershipcontext/business-info.md- 31C positioning relevant to this conversation
If the counterpart has a CRM file in crm/contacts/, read it for interaction history, communication preferences, and notes.
If a deal-strategy or meeting-prep output exists for this counterpart, read it for additional context.
Phase 1: Intelligence & Profiling
Counterpart profile:
- Who they are and what drives them
- Their likely negotiator type: Analyst (data, preparation, silence) / Accommodator (relationship, rapport, chatty) / Assertive (direct, competitive, time-pressured)
- How to calibrate approach for their type
- Their probable emotional state coming into this conversation
- Their constraints - what they might not be able to say or do
- What "success" looks like from their side
Power dynamics:
- Who needs whom more in this conversation?
- Three leverage types available:
- Positive: what can we offer them?
- Negative: what happens if they don't engage?
- Normative: what values, standards, or commitments of theirs align with our position?
Phase 2: Accusation Audit
Generate a comprehensive list of every negative thing the counterpart might think or feel about Misha, 31C, or this situation. Be brutally honest.
What ships with it
1 file 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.
- 9d ago First seen · 210 lines · 141 tokens per session scan A 62313f9a104b
voss is a skill published in the GitHub repository mishahanin/heading-os (11 stars, last pushed 3d ago), licensed Apache-2.0. It adds 141 tokens to every session and 1,776 once invoked, about $0.0007 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 2026-09-03.
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