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Agent skill

Harness Capu

by BankrBot in BankrBot/skills

Fund OpenCAP inference from Capminal with staked CAPU on Base.

No licenceAuto-check passedSales & Support

Install Harness Capu

skills CLI
$ npx skills add BankrBot/skills --skill harness-capu -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install BankrBot/skills harness-capu --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/BankrBot/skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/harness-capu .claude/skills/harness-capu && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
harness-capu
GitHub stars
1.2k
Token cost
~4.3k tokens
SKILL.md length
2,305 words
Files
5 (incl. references)
Skills in repo
106
Repo updated
First seen
Licence
None found

At a glance

Fund OpenCAP inference from Capminal with staked CAPU on Base.

  • Works in 4 steps: Identify the wallet that should own the… → Confirm an approved secret store or… → Read Base ETH, the intended… → …
  • The user wants CAPU-funded AI compute
  • SKILL.md covers Required safety gates, Wallet and credential ownership, A. Preflight and B. Setup — acquire, stake,…, plus 6 more sections
  • Reaches capminal.ai and gw.capminal.ai; needs OPENCAP_API_KEY and OPENCAP_ACCOUNT_TOKEN

What it does

Harness Capu is an agent skill from BankrBot/skills. Fund OpenCAP inference from Capminal with staked CAPU on Base. Buy or mint CAPU, stake it for daily inference credit, create a wallet-owned OpenCAP API key through Ethereum sign-in, check quota, and recover or rotate the key. Use when the user wants CAPU-funded AI compute or OpenCAP key setup; Capminal trading-wallet credentials and Harness account management are separate workflows.

Its SKILL.md is about 4.3k tokens, which your agent loads only when the skill is triggered. The skill folder holds 5 other files, including reference files (for example `catalog.json`, `references/contracts.md` and `references/opencap-api.md`).

It sits in Sales & Support, covering Customer success and Trading and backtesting. It works with Ethereum. The repository describes itself as: Bankr Skills equip builders with plug-and-play tools to build more powerful agents.

When your agent uses it

  • The user wants CAPU-funded AI compute
  • OpenCAP key setup
  • Capminal trading-wallet credentials and Harness account management are separate workflows

Example prompts

  • “/harness-capu”

Requirements

  • A credential in OPENCAP_API_KEY
  • A credential in OPENCAP_ACCOUNT_TOKEN

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. Identify the wallet that should own the compute. If the user has not
  2. Confirm an approved secret store or secure out-of-band configuration is
  3. Read Base ETH, the intended payment-token balance, and CAPU's
  4. Verify every touched contract against a separately reviewed deployment

What it can do on your machine

Read from SKILL.md and the folder at commit dc47eed. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Hosts in commands or code, which the agent is likely to contact:

    • capminal.ai
    • gw.capminal.ai

    Also links to:

    • github.com

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names these keys or tokens, usually read from environment variables:

    • OPENCAP_API_KEY
    • OPENCAP_ACCOUNT_TOKEN
    • CAP_API_KEY

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Harness Capu loads about 4.3k tokens when it runs, and up to ~12k if it reads all its reference files. Until then it costs about 100 tokens; SKILL.md has 2,305 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~100
When it runs · the whole SKILL.md, loaded when a task matches
~4.3k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~12k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 2,305 words (~4,325 tokens).

“Stake CAPU to fund OpenCAP inference, then create a key for the wallet that owns the stake. The documented allocation is $1 of inference per staked CAPU per day, renewed at 00:00 UTC, with no rollover. Unstaked CAPU does not…”

— opening of SKILL.md by BankrBot
name
harness-capu

Read the full SKILL.md on GitHub

Files

SKILL.md and 4 other files (references) in harness-capu of BankrBot/skills.

  • SKILL.md
  • catalog.json
  • references/contracts.md
  • references/opencap-api.md
  • references/transaction-safety.md

Open the folder on GitHubat commit dc47eed

Compare with similar skills

Harness Capu next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Harness Capu compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Harness Capu this skillBankrBot/skills1.2k—~4.3kAutomated safety check: PassNone
Gmgn PortfolioGMGNAI/gmgn-skills609—~5.8kAutomated safety check: NotesMIT
Aiusd SkillLeoYeAI/openclaw-master-skills2.2k—~4.3kAutomated safety check: PassMIT
Deposit QrSuperior-Trade/superior-skills215—~1.1kAutomated safety check: PassMIT
Miniqmt CLIoopslink/trading-skills176—~8.2kAutomated safety check: PassMIT
Gmgn TrackGMGNAI/gmgn-skills609—~5.4kAutomated safety check: NotesMIT

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Works with

Categories

Questions about Harness Capu

What does Harness Capu do?

Fund OpenCAP inference from Capminal with staked CAPU on Base. Harness Capu is an agent skill from BankrBot/skills. Fund OpenCAP inference from Capminal with staked CAPU on Base.

When should I use Harness Capu?

Harness Capu fits situations like: the user wants CAPU-funded AI compute; openCAP key setup; capminal trading-wallet credentials and Harness account management are separate workflows.

How do I install Harness Capu in Claude Code?

Run `npx skills add BankrBot/skills --skill harness-capu -a claude-code`. Or copy the skill folder (harness-capu in BankrBot/skills) into .claude/skills/harness-capu in your project. Claude Code loads it when a task matches its description.

How do I install Harness Capu in Codex?

Run `npx skills add BankrBot/skills --skill harness-capu -a codex`. Or copy the skill folder (harness-capu in BankrBot/skills) into .agents/skills/harness-capu in your project. Codex loads it when a task matches its description.

Can I use Harness Capu in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add BankrBot/skills --skill harness-capu -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/harness-capu, .gemini/skills/harness-capu, .github/skills/harness-capu and .opencode/skills/harness-capu in your project.

What does Harness Capu need to run?

Going by SKILL.md and its folder, Harness Capu needs credentials named OPENCAP_API_KEY, OPENCAP_ACCOUNT_TOKEN and CAP_API_KEY. Our summary lists: A credential in OPENCAP_API_KEY; A credential in OPENCAP_ACCOUNT_TOKEN.

Does Harness Capu access the network?

SKILL.md names 3 domains. In commands or code: capminal.ai and gw.capminal.ai; the agent is likely to contact these when it follows the instructions. As links in the text: github.com. This is read from the text; nothing was executed.

Is Harness Capu safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Harness Capu use?

No licence was found for Harness Capu or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Harness Capu use?

About 4.3k tokens (SKILL.md is roughly 17k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 8.1k tokens, read only when the agent opens those files.

What are the alternatives to Harness Capu?

Skills that share tags, products or a category with Harness Capu: Gmgn Portfolio (GMGNAI/gmgn-skills, 609 stars), Aiusd Skill (LeoYeAI/openclaw-master-skills, 2.2k stars), Deposit Qr (Superior-Trade/superior-skills, 215 stars) and Miniqmt CLI (oopslink/trading-skills, 176 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Harness Capu?

BankrBot (a GitHub organization) maintains it in BankrBot/skills, which has 1,202 GitHub stars. The repository holds 106 skills in this directory. The repository was last updated on October 10, 2026.

Source: BankrBot/skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.