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 youdotcom-oss/agent-skills --skill you-financegit clone --depth 1 https://github.com/youdotcom-oss/agent-skillsWrote 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/youdotcom-oss/agent-skills/you-finance)<a href="https://agentmods.dev/skills/youdotcom-oss/agent-skills/you-finance"><img src="https://agentmods.dev/badge/skills/youdotcom-oss/agent-skills/you-finance/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/youdotcom-oss/agent-skills/you-finance"><img src="https://agentmods.dev/badge/skills/youdotcom-oss/agent-skills/you-finance.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 4 findings, up to medium
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 →
- medium Data Exfiltration · line 7 Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
- medium Data Exfiltration · line 24 Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
- medium Data Exfiltration · line 33 Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
- medium Data Exfiltration · line 37 Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
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 | $0.00029 | $0.01133 |
| Opus 5 | $0.00015 | $0.00566 |
| Sonnet 5 | $0.00006 | $0.00227 |
| Haiku 4.5 | $0.00003 | $0.00113 |
Grade A, and why
you-finance 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 11d 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 — 67 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You.com Finance Research
Use this skill to decide how a local code agent should answer finance-specific questions. Prefer reusing or creating a small local script for You.com Finance Research API calls instead of directly invoking MCP for every finance question.
Prerequisites
For API scripts, use YDC_API_KEY when available or an MPP/x402-capable HTTP client for keyless paid Finance Research API calls.
For MCP fallback, the You.com finance MCP server must be installed and connected with a client that can tolerate long finance responses:
- Server URL:
https://api.you.com/mcp?tools=you-finance - Auth: either
YDC_API_KEYbearer auth, OAuth login into the server, or an MPP/x402-aware MCP client. For bearer auth, setAuthorization: Bearer ${YDC_API_KEY}in the host MCP client. - Required tool:
you-finance
Local code-agent workflow
Before answering, choose the lightest path that fits the task:
- Reuse an existing local finance script when one exists. Look in
scripts/, package scripts, and the current working directory. - Otherwise, implement against
https://api.you.com/v1/finance_research, using Docs MCPsearchDocsto verify current request shape, auth, payment behavior, andresearch_effortbefore coding. If Docs MCP is unavailable, use the canonical page: https://you.com/docs/api-reference/finance-research/v1-finance_research- With
YDC_API_KEY, use these API request headers:X-API-Key: ${YDC_API_KEY}andUser-Agent: SKILL/(@youdotcom-oss/agent-skills you-finance). - With MPP/x402, expect Finance Research API pricing by
research_effort; retry402 payment-requiredonly through a payment-capable client or library. For the keyless direct x402 REST client pattern (pay USDC on Base, no API key), follow x402 direct client; it encodes the 5-step flow, dependency and version requirements, security rules, and spend discipline.
- With
- Use
you-financeMCP only when direct API implementation is not practical, for example OAuth or MCP-hosted payment handling is required and the client can tolerate long request resolution times.- Prefer a dedicated
you-financeserver profile when using MCP and the host exposes server profiles. The expected remote MCP config ishttps://api.you.com/mcp?tools=you-finance. you-financesupports You.com auth viaYDC_API_KEYbearer auth, OAuth, or MCP payment-header pass-through. If the MCP client receives a402 payment-requiredchallenge, let the client pay externally and retry with payment headers. Do not handle wallets or signing in this skill.- For keyless payment with no API key and no manual signing, compose the You.com MCP server with the Coinbase Payments MCP server; see Coinbase Payments MCP path for setup and when to choose it over the direct client.
- If neither API access nor
you-financeis available, tell the user what is missing, provide the Finance Research API and MCP setup options from the prerequisites above, and request approval before installing, connecting, or changing configuration.
- Prefer a dedicated
What ships with it
2 files 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.
- 11d ago First seen · 67 lines · 29 tokens per session scan A 4a8dcc0f7778
you-finance is a skill published in the GitHub repository youdotcom-oss/agent-skills (67 stars, last pushed yesterday), licensed MIT. It adds 29 tokens to every session and 1,133 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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