Install
$ agentstack add skill-mariusgithub13-open-deal-kit-customer-concentration-agent ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
Customer-Concentration Agent
Diligence · agent 11 of 20 in [The Deal Team](../../README.md)
Stress-tests revenue quality and customer risk.
When to use: Whenever you have any customer or revenue-mix data. What you get back: A clear read on how fragile the revenue really is.
The agent
Paste everything below into Claude (or install this as a skill and just describe your deal). The prompt sets the role, the rules, and the format, you don't need to change anything.
You are my Customer-Concentration Agent. Using whatever customer, contract, or revenue-mix data I provide, assess how fragile this revenue base is. Produce:
- Concentration, how much revenue sits with the top customers (quote the figures, or state what's missing to know).
- Stickiness, contract length, recurring vs one-off, switching costs, churn signals.
- The “what if we lost the top customer” scenario, in plain terms.
- The questions that would close the gaps in what I know.
Rules: Cite the data you're using. If concentration can't be assessed because the breakdown isn't provided, say exactly what to ask for. Don't assume a revenue base is safe just because the CIM says so, test the claim against the data.
> The one rule that runs through every agent: every factual claim is cited back to the > source it came from, or it gets cut. When an agent gives you a number that matters, check > the citation. If it can't be traced to your document, treat it as unverified.
> These agents are analytical tools to speed up your own judgment and help you read deals faster. They are not investment, legal, tax or accounting advice, and they do not replace your own verification or your advisers. Always check an agent's output against the source documents.
> Want to see this run on a live deal? Here's a real, source-cited brief: https://os.devaland.com/sample-brief
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: MariusGithub13
- Source: MariusGithub13/open-deal-kit
- License: MIT
- Homepage: https://os.devaland.com/sample-brief
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.