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 carta/plugins --skill carta-portfolio-alertsgit clone --depth 1 https://github.com/carta/pluginsWrote 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/carta/plugins/carta-portfolio-alerts)<a href="https://agentmods.dev/skills/carta/plugins/carta-portfolio-alerts"><img src="https://agentmods.dev/badge/skills/carta/plugins/carta-portfolio-alerts/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/carta/plugins/carta-portfolio-alerts"><img src="https://agentmods.dev/badge/skills/carta/plugins/carta-portfolio-alerts.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, 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 Prompt Injection · line 24 Hidden instructions were detected in comments or invisible text. These could contain malicious directives. Manual review is recommended.Fix: Audit all comments and invisible characters. Remove any instructions that direct the agent to perform unauthorized actions. Use plain, reviewable content.
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 | $0.00056 | $0.02224 |
| Opus 5 | $0.00028 | $0.01112 |
| Sonnet 5 | $0.00011 | $0.00445 |
| Haiku 4.5 | $0.00006 | $0.00222 |
Grade A, and why
carta-portfolio-alerts 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 5d 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 — 181 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Portfolio Alerts
Scan multiple companies for red flags and compute severity classifications (critical / warning / info).
Prerequisites
No inputs required — this skill loops the full portfolio. Call list_accounts to get all corporation_pk accounts automatically.
Data Retrieval
Portfolio Enumeration
Call list_accounts to get all portfolio companies. Filter to accounts where id starts with corporation_pk:. Extract up to 20 numeric corporation IDs. If more than 20 companies exist, ask the user to narrow scope.
Per-Company Commands
For each company, these are the relevant checks:
call_tool({"name": "cap_table__get__409a_valuations", "arguments": {"corporation_id": corporation_id}})-- 409A expiry checkcall_tool({"name": "cap_table__get__cap_table_by_share_class", "arguments": {"corporation_id": corporation_id}})-- option pool checkcall_tool({"name": "cap_table__get__convertible_notes", "arguments": {"corporation_id": corporation_id}})-- note maturity check (summary includesmaturity.nearest_date)call_tool({"name": "cap_table__list__safes", "arguments": {"corporation_id": corporation_id}})-- SAFE exposure check
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.
- 5d ago Changed · +1 lines 2cb06b6fd566
- 9d ago First seen · 180 lines · 56 tokens per session scan A b58e06c9cb1f
carta-portfolio-alerts is a skill published in the GitHub repository carta/plugins (12 stars, last pushed yesterday), licensed Apache-2.0. It adds 56 tokens to every session and 2,224 once invoked, about $0.0003 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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