agent-signup

agent-signup is a skill for Claude Code from jonny-1812/corebee-mcp-skills. It costs 120 tokens per session (1,024 once invoked), scanned B, original, MIT.

A signup procedure for creating a new Corebee account, a service that adds AI customer support to a website. It runs from the terminal and uses one email approval instead of dashboard setup.

In plain words
What is it for?
Use it to submit an email, company name, and website address, complete email approval, receive setup details, and continue with knowledge-source and chat-widget configuration.
Why use it?
It gives people without a Corebee account a defined way to start the service while keeping the account credentials and approval process controlled.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Part of the corebee plugin — 10 skills, 4 commands, 4 agents, 3 hooks, 1 MCP server shipped together

Good fit Use it to submit an email, company name, and website address, complete email approval, receive setup details, and continue with knowledge-source and chat-widget configuration.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/jonny-1812/corebee-mcp-skills/agent-signup
Install

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.

Any agent
npx skills add jonny-1812/corebee-mcp-skills --skill agent-signup
Clone the repo
git clone --depth 1 https://github.com/jonny-1812/corebee-mcp-skills

Made for: Claude Code.

Or install corebee, the plugin that ships this one along with the rest of its 10 skills, 4 commands, 4 agents, 3 hooks, 1 MCP server.

Wrote 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.

agentmods badge for agent-signup

README.md
[![agentmods](https://agentmods.dev/badge/skills/jonny-1812/corebee-mcp-skills/agent-signup/github.svg)](https://agentmods.dev/skills/jonny-1812/corebee-mcp-skills/agent-signup)
Your own site
<a href="https://agentmods.dev/skills/jonny-1812/corebee-mcp-skills/agent-signup"><img src="https://agentmods.dev/badge/skills/jonny-1812/corebee-mcp-skills/agent-signup/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.

agentmods 80×15 button for agent-signup

Your own site · 80×15
<a href="https://agentmods.dev/skills/jonny-1812/corebee-mcp-skills/agent-signup"><img src="https://agentmods.dev/badge/skills/jonny-1812/corebee-mcp-skills/agent-signup.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 120 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,024 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00120 $0.01024
Opus 5 $0.00060 $0.00512
Sonnet 5 $0.00024 $0.00205
Haiku 4.5 $0.00012 $0.00102

Measured 12d ago against content hash 903b0869fc05, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade B, and why

agent-signup scanned grade B with 2 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 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.

Subtle steeringmediumPrompt injection

Instructions that bias recommendations or shape behaviour without the user noticing.

- Never ask the user to paste the email's token, and never tell them to approve before the pairing phrases match.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -s -X POST https://corebee.ai/api/auth/agent-signup \
skills/agent-signup/SKILL.md · 59 lines

How it starts

The opening of the file, as written. The whole thing — 59 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Sign Up for Corebee (agent-native, zero-UI)

Create a brand-new Corebee account for a user who does not have one yet, entirely from the terminal. The only human step is approving one email. Do not send a no-account user to a browser login — run this flow.

If the user already has a Corebee account, this flow returns a dashboard link instead of a key (see step 7); for ongoing use they connect the MCP normally.

Process

  1. Collect — ask the user for their email, company name, and website URL (a full https://… URL). Do not guess these.

  2. Start signupPOST https://corebee.ai/api/auth/agent-signup with JSON:

    {
      "email": "<email>",
      "company_name": "<company>",
      "website_url": "<https url>",
      "attribution": { "utm_source": "claude-code-plugin", "utm_medium": "agent", "utm_campaign": "plugin-signup" }
    }
    

    Example:

    curl -s -X POST https://corebee.ai/api/auth/agent-signup \
      -H "Content-Type: application/json" \
      -d '{"email":"...","company_name":"...","website_url":"https://...","attribution":{"utm_source":"claude-code-plugin","utm_medium":"agent","utm_campaign":"plugin-signup"}}'
    

    The response contains pairing_phrase, poll_url, poll_token, and poll_interval_s.

  3. Human checkpoint (anti-phishing) — show the user the pairing_phrase and tell them:

    Check your inbox for "Approve your Corebee terminal signup" and approve it only if the email shows the pairing phrase <pairing_phrase>. That phrase proves the email belongs to this request.

    Keep poll_token secret — never print or reveal it to anyone.

  4. PollGET the poll_url every poll_interval_s seconds (default 5) until status is approved or existing_account. The signup expires in ~15 minutes; if it lapses, start over.

  5. On approved (delivered exactly once) you receive:

    • api_key — a scoped key (prefix ek_live_, valid 24h). Use it as Authorization: Bearer <api_key> for both the Corebee MCP tools and the REST v1 API.
    • org_id, org_name
    • embed_snippet — the chat-widget install <script>
    • website_token, knowledge_source_id, mcp_endpoint, scopes, next_steps

Read the full file on GitHub · 59 lines

Changes

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.

  1. 12d ago First seen · 59 lines · 120 tokens per session scan B 903b0869fc05

Subscribe to this mod's changes

agent-signup is a skill published in the GitHub repository jonny-1812/corebee-mcp-skills (0 stars, last pushed 1mo ago), licensed MIT. It adds 120 tokens to every session and 1,024 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it B with 2 findings (subtle steering, 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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