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 arthurzhuhan/one-person-capital --skill paperclipgit clone --depth 1 https://github.com/arthurzhuhan/one-person-capitalWrote 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/arthurzhuhan/one-person-capital/paperclip)<a href="https://agentmods.dev/skills/arthurzhuhan/one-person-capital/paperclip"><img src="https://agentmods.dev/badge/skills/arthurzhuhan/one-person-capital/paperclip/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/arthurzhuhan/one-person-capital/paperclip"><img src="https://agentmods.dev/badge/skills/arthurzhuhan/one-person-capital/paperclip.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 | $0.00080 | $0.04079 |
| Opus 5 | $0.00040 | $0.02039 |
| Sonnet 5 | $0.00016 | $0.00816 |
| Haiku 4.5 | $0.00008 | $0.00408 |
Grade A, and why
one-person-capital scanned grade A with 1 finding 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 12d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
If you use direct `curl` during these tests, include `X-OnePersonCapital-Run-Id` on all mutating issue requests whenever running inside a heartbeat. How it starts
The opening of the file, as written. The whole thing — 296 lines — stays where its author put it; the contents beside it link to each section on GitHub.
OnePersonCapital Skill
You run in heartbeats — short execution windows triggered by OnePersonCapital. Each heartbeat, you wake up, check your work, do something useful, and exit. You do not run continuously.
Authentication
Env vars auto-injected: ONE_PERSON_CAPITAL_AGENT_ID, ONE_PERSON_CAPITAL_COMPANY_ID, ONE_PERSON_CAPITAL_API_URL, ONE_PERSON_CAPITAL_RUN_ID. Optional wake-context vars may also be present: ONE_PERSON_CAPITAL_TASK_ID (issue/task that triggered this wake), ONE_PERSON_CAPITAL_WAKE_REASON (why this run was triggered), ONE_PERSON_CAPITAL_WAKE_COMMENT_ID (specific comment that triggered this wake), ONE_PERSON_CAPITAL_APPROVAL_ID, ONE_PERSON_CAPITAL_APPROVAL_STATUS, and ONE_PERSON_CAPITAL_LINKED_ISSUE_IDS (comma-separated). For local adapters, ONE_PERSON_CAPITAL_API_KEY is auto-injected as a short-lived run JWT. For non-local adapters, your operator should set ONE_PERSON_CAPITAL_API_KEY in adapter config. All requests use Authorization: Bearer $ONE_PERSON_CAPITAL_API_KEY. All endpoints under /api, all JSON. Never hard-code the API URL.
Manual local CLI mode (outside heartbeat runs): use one-person-capital agent local-cli <agent-id-or-shortname> --company-id <company-id> to install OnePersonCapital skills for Claude/Codex and print/export the required ONE_PERSON_CAPITAL_* environment variables for that agent identity.
Run audit trail: You MUST include -H 'X-OnePersonCapital-Run-Id: $ONE_PERSON_CAPITAL_RUN_ID' on ALL API requests that modify issues (checkout, update, comment, create subtask, release). This links your actions to the current heartbeat run for traceability.
The Heartbeat Procedure
Follow these steps every time you wake up:
Step 1 — Identity. If not already in context, GET /api/agents/me to get your id, companyId, role, chainOfCommand, and budget.
Step 2 — Approval follow-up (when triggered). If ONE_PERSON_CAPITAL_APPROVAL_ID is set (or wake reason indicates approval resolution), review the approval first:
What ships with it
1 file 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.
- 12d ago First seen · 296 lines · 80 tokens per session scan A 67421ccf77a5
one-person-capital is a skill published in the GitHub repository arthurzhuhan/one-person-capital (24 stars, last pushed 6mo ago), licensed MIT. It adds 80 tokens to every session and 4,079 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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