stripe/link-cli is a command-line tool that lets agents obtain temporary payment credentials from a Link wallet for approved purchases without exposing the user's real card details. It is used by agents to complete web checkouts or programmatic payments while requiring purchase approval. The catalogue entries provide components for integrating the CLI with agents.
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 stripe/link-cli --skill financial-insightsgit clone --depth 1 https://github.com/stripe/link-cliWrote 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/stripe/link-cli/financial-insights)<a href="https://agentmods.dev/skills/stripe/link-cli/financial-insights"><img src="https://agentmods.dev/badge/skills/stripe/link-cli/financial-insights/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/stripe/link-cli/financial-insights"><img src="https://agentmods.dev/badge/skills/stripe/link-cli/financial-insights.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk pass
- NVIDIA SkillSpector warn
SkillSpector: 4 findings, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Privilege Escalation · line 46 Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
- medium MCP Rug Pull · line 8 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 9 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium Agent Snooping · line 48 Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
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 | $0.00053 | $0.02213 |
| Opus 5.5 | $0.00021 | $0.00885 |
| Sonnet 5.5 | $0.00011 | $0.00443 |
| Haiku 4.5 | $0.00005 | $0.00221 |
Grade A, and why
financial-insights 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 19d 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 — 226 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Financial insights
Use this skill for read-only questions about the user's Link financial data.
Call the extension's native tools with their discovered mount prefix, such as
link__list_transactions. Inputs and results are structured objects; use the
tool schemas for parameter names and constraints.
For purchases or payment credentials, load the mounted
create-payment-credential skill instead.
Authentication and access
The application configures the wallet and authorization provider. If Eve asks the user to connect Link, let that authorization finish before continuing. Do not ask for tokens in chat. If access is denied or a tool reports missing permissions, explain what data could not be retrieved and stop. Do not repeatedly retry the same denied operation.
Choose the right tools
Use the smallest set that answers the question.
| User asks about | Tool |
|---|---|
| Purchases, merchants, spend, income, deposits, recurring payments | list_transactions |
| Current balance, available funds, cash position | list_balances |
| Connected accounts, source details, data capabilities | list_sources |
| Precomputed signals, such as top brands per shopping category | list_available_insight_types, then list_insights |
For restaurant spending last month, retrieve transactions for that period. For an account balance, retrieve balances. For connected accounts, retrieve sources. Combine tools only when the question requires it, such as joining source names to balances.
Amounts and sources
Financial-data amounts are integers in the currency's smallest unit. Format
using the currency's ISO 4217 minor-unit exponent; do not always divide by 100.
For example, 152340 represents $1,523.40 USD.
Only transaction amount uses negative values for money leaving the account
and positive values for money entering. Interpret balance fields according
to their balance type. Keep currencies separate when aggregating.
A source is an account connected to Link. Use its id to join records exposing
source_id. Do not guess which account owns a transaction whose source_id
is null. Sources can describe banks, cards, and other account types.
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.
- 19d ago Changed · +54 lines · +7 tokens per session 2bf87247c448
- 23d ago Changed · -145 lines · -38 tokens per session 78e62af1c1f7
- 28d ago Changed · -47 lines · +26 tokens per session b9f98401d780
- 1mo ago Changed · +47 lines · -26 tokens per session b677b4bdd93c
- 1mo ago Changed 7fd59b3e47bc
- 1mo ago First seen · 317 lines · 84 tokens per session scan A e0f5908a6944
financial-insights is a skill published in the GitHub repository stripe/link-cli (865 stars, last pushed today), licensed MIT. It adds 53 tokens to every session and 2,213 once invoked, about $0.0002 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 2026-08-30.
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