Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add Agents365-ai/pi-plugin-cc/plugin install piWrote 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/commands/agents365-ai/pi-plugin-cc/setup)<a href="https://agentmods.dev/commands/agents365-ai/pi-plugin-cc/setup"><img src="https://agentmods.dev/badge/commands/agents365-ai/pi-plugin-cc/setup/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/commands/agents365-ai/pi-plugin-cc/setup"><img src="https://agentmods.dev/badge/commands/agents365-ai/pi-plugin-cc/setup.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 | $0.00021 | $0.00312 |
| Opus 5.5 | $0.00008 | $0.00125 |
| Sonnet 5.5 | $0.00004 | $0.00062 |
| Haiku 4.5 | $0.00002 | $0.00031 |
Grade A, and why
setup scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Run:
node "${CLAUDE_PLUGIN_ROOT}/scripts/pi-companion.mjs" setup --json $ARGUMENTS
If the result says Pi is unavailable and npm is available:
- Use
AskUserQuestionexactly once to ask whether Claude should install Pi now. - Put the install option first and suffix it with
(Recommended). - Use these two options:
Install Pi (Recommended)Skip for now
- If the user chooses install, run:
npm install -g --ignore-scripts @earendil-works/pi-coding-agent
- Then rerun:
node "${CLAUDE_PLUGIN_ROOT}/scripts/pi-companion.mjs" setup --json $ARGUMENTS
If Pi is already installed or npm is unavailable:
- Do not ask about installation.
Output rules:
- Present the final setup output to the user.
- If installation was skipped, present the original setup output.
- If Pi is installed but no provider is configured, preserve the guidance to set a provider API key (e.g.
DEEPSEEK_API_KEY) or write~/.pi/agent/models.jsonper pi'sproviders.md.
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.
- 1mo ago First seen · 38 lines · 21 tokens per session scan A 6dd4e1688935
setup is a command published in the GitHub repository Agents365-ai/pi-plugin-cc (44 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 21 tokens to every session and 312 once invoked, about $0.0001 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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