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.
npx skills add wardawgmalvicious/agent-config --skill fabric-authgit clone --depth 1 https://github.com/wardawgmalvicious/agent-configWrote 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/wardawgmalvicious/agent-config/fabric-auth)<a href="https://agentmods.dev/skills/wardawgmalvicious/agent-config/fabric-auth"><img src="https://agentmods.dev/badge/skills/wardawgmalvicious/agent-config/fabric-auth/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/wardawgmalvicious/agent-config/fabric-auth"><img src="https://agentmods.dev/badge/skills/wardawgmalvicious/agent-config/fabric-auth.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 | $0.00156 | $0.01261 |
| Opus 5 | $0.00078 | $0.00630 |
| Sonnet 5 | $0.00031 | $0.00252 |
| Haiku 4.5 | $0.00016 | $0.00126 |
Grade A, and why
fabric-auth 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 5d 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 — 89 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Fabric authentication & token audiences
All Fabric operations require Microsoft Entra ID OAuth 2.0 bearer tokens. Using the wrong audience is the #1 cause of 401 errors.
| Access Target | Token Audience / Scope |
|---|---|
| Fabric REST API | https://api.fabric.microsoft.com/.default |
| Power BI REST API (refresh, data sources, permissions, DAX) | https://analysis.windows.net/powerbi/api/.default |
| OneLake (DFS/Blob) | https://storage.azure.com/.default |
| Warehouse / SQL Endpoint / SQL Database (TDS) | https://database.windows.net/.default |
| KQL / Kusto | https://kusto.kusto.windows.net/.default |
| XMLA Endpoint | https://analysis.windows.net/powerbi/api/.default |
| Azure Resource Management | https://management.azure.com/.default |
az login
az account get-access-token --resource https://api.fabric.microsoft.com # Fabric REST
az account get-access-token --resource https://database.windows.net # SQL / TDS
az account get-access-token --resource https://analysis.windows.net/powerbi/api # Power BI
Critical: OneLake ONLY accepts https://storage.azure.com/.default — using https://datalake.azure.net/ will fail.
az login flow variants
az login --allow-no-subscriptions --tenant <tid> # Fabric tenant with no Azure subscription
az login --use-device-code --tenant <tid> # headless / SSH / no-browser
az login --service-principal -u <appId> -p <secret> --tenant <tid> # CI/CD with SPN secret
az login --service-principal -u <appId> --certificate /path/cert.pem --tenant <tid> # SPN cert (preferred — no secret to rotate)
az login --identity # system-assigned managed identity
az login --identity --username <clientId> # user-assigned managed identity
Without --allow-no-subscriptions, Fabric-only tenants (no Azure subscription attached) get a confusing "No subscriptions found" error before any Fabric call runs.
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.
- 5d ago Changed · +3 lines 6c461960dfc5
- 9d ago First seen · 86 lines · 156 tokens per session scan A 8b9ea042efa1
fabric-auth is a skill published in the GitHub repository wardawgmalvicious/agent-config (1 stars, last pushed yesterday), licensed MIT. It adds 156 tokens to every session and 1,261 once invoked, about $0.0008 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 2026-08-31.
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