Borrowing it
Nothing to install: this file belongs to enuno/unifi-mcp-server. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/enuno/unifi-mcp-server/main/.agents/skills/unifi-mcp-tool-builder/SKILL.mdgit clone --depth 1 https://github.com/enuno/unifi-mcp-serverWrote 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/enuno/unifi-mcp-server/unifi-mcp-tool-builder)<a href="https://agentmods.dev/skills/enuno/unifi-mcp-server/unifi-mcp-tool-builder"><img src="https://agentmods.dev/badge/skills/enuno/unifi-mcp-server/unifi-mcp-tool-builder/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/enuno/unifi-mcp-server/unifi-mcp-tool-builder"><img src="https://agentmods.dev/badge/skills/enuno/unifi-mcp-server/unifi-mcp-tool-builder.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium Excessive Agency · line 728 Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
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 | $0.00049 | $0.05418 |
| Opus 5 | $0.00024 | $0.02709 |
| Sonnet 5 | $0.00010 | $0.01084 |
| Haiku 4.5 | $0.00005 | $0.00542 |
Grade A, and why
unifi-mcp-tool-builder 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 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.
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.
How it starts
The opening of the file, as written. The whole thing — 859 lines — stays where its author put it; the contents beside it link to each section on GitHub.
UniFi MCP Tool Builder
Overview
This skill guides you through adding new MCP tools to the existing UniFi MCP Server. Unlike building an MCP server from scratch, this focuses on extending the current 74-tool implementation with new UniFi Network Controller functionality while maintaining the project's quality standards.
Project Context:
- Existing Tools: 74 MCP tools across 9 feature categories
- Test Coverage: 990 tests, 78.18% overall coverage
- Architecture: FastMCP + Pydantic v2 + async/await patterns
- API Support: Local gateway (full), Cloud V1/EA (limited)
- Quality Standards: 80% minimum test coverage, TDD required
Process
Phase 1: Research and Planning
1.1 Understand the Tool Request
Before implementation, clarify:
- What UniFi feature/endpoint needs to be exposed?
- Which API mode supports it (local, cloud-v1, cloud-ea)?
- What workflow does this enable for AI agents?
- How does this fit into existing tool categories?
Tool Categories in UniFi MCP Server:
- Device Management (list, control, upgrade)
- Client Management (block, unblock, statistics)
- Network Configuration (VLANs, subnets, DHCP)
- Firewall & Security (rules, zones, ACLs)
- WiFi/SSID Management (create, configure, statistics)
- QoS & Traffic (profiles, flows, DPI)
- Backup & Restore (automated backups, restore)
- Site Management (multi-site, aggregation)
- Topology & Monitoring (network maps, health)
1.2 Study UniFi API Documentation
Load UniFi API reference:
# Read the comprehensive UniFi API documentation
Read: docs/UNIFI_API.md
This document contains verified endpoints for UniFi Network v10.0.156+.
Critical considerations:
- Endpoint availability: Not all documented endpoints exist in all versions
- API mode differences: Local gateway vs Cloud APIs have different capabilities
- Response formats: Local API returns different structures than Cloud API
- Authentication: Local uses local credentials, Cloud uses API keys
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 · 859 lines · 49 tokens per session scan A 9542c4bbda2a
unifi-mcp-tool-builder is a skill published in the GitHub repository enuno/unifi-mcp-server (252 stars, last pushed 5d ago), licensed Apache-2.0. It adds 49 tokens to every session and 5,418 once invoked, about $0.0002 per session on Opus 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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