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 peerjakobsen/smartspender --skill negotiationgit clone --depth 1 https://github.com/peerjakobsen/smartspenderWrote 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/peerjakobsen/smartspender/negotiation)<a href="https://agentmods.dev/skills/peerjakobsen/smartspender/negotiation"><img src="https://agentmods.dev/badge/skills/peerjakobsen/smartspender/negotiation/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/peerjakobsen/smartspender/negotiation"><img src="https://agentmods.dev/badge/skills/peerjakobsen/smartspender/negotiation.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 | $0.00035 | $0.03120 |
| Opus 5.5 | $0.00014 | $0.01248 |
| Sonnet 5.5 | $0.00007 | $0.00624 |
| Haiku 4.5 | $0.00003 | $0.00312 |
Grade A, and why
negotiation 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 1mo 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 — 259 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Subscription Negotiation
Purpose
Provides domain knowledge for negotiating better prices on recurring subscriptions. Covers Danish consumer protection law, proven negotiation tactics, email template structure, and typical Danish market pricing benchmarks.
Danish Consumer Rights
Danish consumer protection law provides specific leverage points for subscription negotiation. These rights apply to all Danish consumers and override individual contract terms where applicable.
| Right | Danish Term | Rule | Negotiation Use |
|---|---|---|---|
| Right of withdrawal | Fortrydelsesret | 14 days to cancel any distance/online purchase without reason | Leverage if subscription was recently started or renewed online |
| Notice period | Opsigelsesvarsel | Provider must give reasonable notice before changes take effect | Use to challenge sudden price increases |
| Binding period cap | Bindingsperiode | Max 6 months for consumer contracts (Forbrugeraftalelov §28) | Challenge any binding period longer than 6 months |
| Price increase right | Prisforhojelse | Provider must give 30 days written notice before a price increase; consumer can cancel without penalty within that notice period | Strong leverage: "I received your price increase notice and am considering cancellation" |
| Consumer Ombudsman | Forbrugerombudsmanden | Government body that enforces consumer protection law | Mention as escalation path if provider is uncooperative |
| Consumer Complaints Board | Forbrugerklagenaevnet | Independent body that resolves consumer disputes | Mention for disputes over binding periods or unfair terms |
When to Reference Rights in Email
- Price increase notice received: Always reference prisforhojelse cancellation right — the provider knows you can leave penalty-free
- Binding period claimed: If provider claims a binding period > 6 months, reference Forbrugeraftalelov §28
- Service quality issues: Reference Forbrugerombudsmanden as potential escalation
- Recent sign-up (< 14 days): Reference fortrydelsesret if relevant
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.
- 1mo ago First seen · 259 lines · 35 tokens per session scan A 9cd3eb408c39
negotiation is a skill published in the GitHub repository peerjakobsen/smartspender (5 stars, last pushed 8mo ago), licensed MIT. It adds 35 tokens to every session and 3,120 once invoked, about $0.0001 per session on Opus 5.5. 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.
Other skills, from other repositories
equity-compensation-analysis
Guides Slice MCP analysis of equity compensation, grants, options, RSUs, vesting, exercises, forfeitures, PTEP, tax treatments, and valuations. Use when answering questions about employee equity, grant positions, vested or exercisable quantities, exercise price, FMV/409A, option pool consumption, tax treatment, or…
capital-structure-and-covenants
Decides how the business is financed and what that financing then requires of it — debt versus equity, weighted average cost of capital as a hurdle rate, how much leverage cash flow can carry, and the financial, affirmative and negative covenants, definitions, test dates and cure rights that come attached. Use this to…
internal-controls-and-audit
Designs and tests controls over financial reporting — segregation of duties, approval limits, evidence, and preparing for audit. Use this to design controls for a process, prepare for an external audit, respond to an audit finding, set approval thresholds, or assess where a small team's segregation of duties is…
revenue-recognition
Determines when and how revenue is recognized — performance obligations, contract terms that change the answer, and the deal structures that create accounting problems. Use this to work out how a contract should be recognized, review a non-standard deal before it is signed, understand deferred revenue, or spot terms…
tax
Structures the tax questions a growing business faces — corporate income, sales and use, payroll, nexus, and the obligations created by hiring or selling somewhere new. Use this to work out what a new state or country obligates you to, prepare for a tax filing or audit, understand sales tax on your product, or check…
explicit-checker
Scans lyrics for explicit content and verifies that explicit flags match actual content. Use before Suno generation or release to ensure accurate content ratings.