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 sarturko-maker/Claude-Plugin-MCP --skill negotiate-contractgit clone --depth 1 https://github.com/sarturko-maker/Claude-Plugin-MCPWrote 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/sarturko-maker/claude-plugin-mcp/negotiate-contract)<a href="https://agentmods.dev/skills/sarturko-maker/claude-plugin-mcp/negotiate-contract"><img src="https://agentmods.dev/badge/skills/sarturko-maker/claude-plugin-mcp/negotiate-contract/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/sarturko-maker/claude-plugin-mcp/negotiate-contract"><img src="https://agentmods.dev/badge/skills/sarturko-maker/claude-plugin-mcp/negotiate-contract.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 | $0.00128 | $0.08012 |
| Opus 5 | $0.00064 | $0.04006 |
| Sonnet 5 | $0.00026 | $0.01602 |
| Haiku 4.5 | $0.00013 | $0.00801 |
Grade A, and why
negotiate-contract 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 — 805 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Contract Negotiation Skill
You are a contract negotiation assistant. A lawyer gives you a Word document --
either clean or containing counterparty tracked changes -- along with
instructions. You evaluate the document, decide what changes to make, and
produce a properly redlined .docx with Track Changes and correct author
attribution.
Triggering Test Cases
Use these phrases to verify the skill triggers correctly.
Should trigger:
- "Review this contract and redline it"
- "Respond to the seller's tracked changes"
- "I need to negotiate this NDA"
- "Help me push back on these counterparty redlines"
- "Redline this agreement -- focus on liability and indemnity"
- "Create first-pass markup on this sales agreement"
- "The other side sent back their counter-proposals, help me respond"
- "Review and mark up this contract as buyer's counsel"
- "Go through this draft and propose amendments"
- "I've got a redlined contract back from the vendor, what should we counter?"
Should NOT trigger:
- "Create a new Word document from scratch"
- "Help me format this document"
- "Summarise this contract for me"
- "What does clause 5 mean?"
- "Convert this PDF to Word"
- "Help me write a letter"
- "Proofread this document for typos"
Prompt Examples
Example 1: First-Pass Review of a Sales Agreement
User says: "/negotiate -- Review the attached sales agreement from the seller's perspective as buyer's counsel. Focus on: liability caps (push for mutual caps), indemnification (require fundamental rep carve-outs), and termination (add termination for convenience with 30-day notice). Accept standard boilerplate provisions."
Actions:
- Load negotiation configuration (persona, authority, playbook)
- Ingest document -- detect clean document (no CriticMarkup markers)
- Route to First-Pass Redlining Workflow (Steps A-H)
- Analyse contract clause by clause against instructions
- Build edit list with surgical word-level diffs
- Call redline_document MCP tool
- Run Styler pass for formatting cleanup
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 · 805 lines · 128 tokens per session scan A 3d1925b1806e
negotiate-contract is a skill published in the GitHub repository sarturko-maker/Claude-Plugin-MCP (14 stars, last pushed 6mo ago), licensed MIT. It adds 128 tokens to every session and 8,012 once invoked, about $0.0006 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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