Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/aiappsgbb/awesome-gbbnpx agentmods add skills/aiappsgbb/awesome-gbb/foundry-mcp-acaWrote 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/aiappsgbb/awesome-gbb/foundry-mcp-aca)<a href="https://agentmods.dev/skills/aiappsgbb/awesome-gbb/foundry-mcp-aca"><img src="https://agentmods.dev/badge/skills/aiappsgbb/awesome-gbb/foundry-mcp-aca/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/aiappsgbb/awesome-gbb/foundry-mcp-aca"><img src="https://agentmods.dev/badge/skills/aiappsgbb/awesome-gbb/foundry-mcp-aca.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 3 findings, 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 Data Exfiltration · line 26 Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
- medium Tool Misuse · line 122 Tool defaults are unsafe or overly permissive (e.g. disabled TLS verification, no authentication, world-writable permissions). Unsafe defaults widen the attack surface.Fix: Override unsafe defaults with secure settings (verify=True, auth required, restrictive permissions). Review and harden all tool configurations.
- medium Tool Misuse · line 1012 Tool defaults are unsafe or overly permissive (e.g. disabled TLS verification, no authentication, world-writable permissions). Unsafe defaults widen the attack surface.Fix: Override unsafe defaults with secure settings (verify=True, auth required, restrictive permissions). Review and harden all tool configurations.
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 | $0.00191 | $0.13657 |
| Opus 5 | $0.00096 | $0.06828 |
| Sonnet 5 | $0.00038 | $0.02731 |
| Haiku 4.5 | $0.00019 | $0.01366 |
Grade A, and why
foundry-mcp-aca scanned grade A with 1 finding 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
| Wrong mount path (404 on MCP calls) | FastMCP 3.x serves on `/mcp/` with trailing slash; consumer config or curl tests use `/` without slash | **DO NOT assume FastMCP mount path** — it changed between 2.x and 3.x; don' How it starts
The opening of the file, as written. The whole thing — 1,049 lines — stays where its author put it; the contents beside it link to each section on GitHub.
📦 This skill is for MCP server PRODUCERS (deploying servers to ACA). If you want to CONSUME an existing MCP server from a Foundry hosted agent, see foundry-hosted-agents § MCP Tools or foundry-toolbox § Learn MCP. If the MCP server should hand work to an ACA Job, use foundry-mcp-aca-jobs instead.
Foundry MCP ACA Deployment
🎯 Scope: PRODUCER-side only. This skill is for hosting MCP servers on Azure Container Apps or Azure Functions, NOT for consuming a remote MCP from a Foundry hosted agent (e.g. calling
https://learn.microsoft.com/api/mcporhttps://api.github.com/mcpfrom your agent'scontainer.py).
- Producer (this skill): you're WRITING + DEPLOYING an MCP server. Cosmos MCP, Playwright MCP, custom MCP for an internal API, etc.
- Consumer (different skill): you're WRITING a Foundry hosted agent that CALLS a remote MCP server. Use
foundry-hosted-agents§ MCP Tools via FoundryChatClient + § MCP Tools — recommended pattern.Confusing the two costs hours. The consumer-side pattern is
MCPStreamableHTTPToolwired intoAgent(tools=[…]); the producer-side is everything below.
⚠️ Azure Tenant Isolation (mandatory). Before any
azdorazoperation, verify tenant isolation perazure-tenant-isolation: set config dirs, check token, assert subscription. See that skill's Agent preflight.
Deploy custom MCP servers as Azure Container Apps or Azure Functions for
use with Foundry hosted agents. The hosted agent container connects to these MCP
servers via HTTP at runtime using client.get_mcp_tool().
When to Use
- Deploying a Cosmos DB MCP server for agent data access
- Running Playwright/browser automation as a remote MCP server
- Creating a custom MCP server for an API or data store not covered by Foundry built-ins
- Deploying an MCP server as an Azure Function (consumption billing)
What ships with it
7 files 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.
- references/bicep/mcp-aca-auth.bicep 4.2 KB
- references/bicep/mcp-aca.bicep 3.5 KB
- references/postdeploy_cosmos_firewall_egress.py 6.6 KB runs code
- references/python/secure_server.py 5.6 KB runs code
- references/python/server.py 2.2 KB runs code
- references/upstream-pin.md 6.4 KB
- test-fixture/consumer_prompt.md 34 KB
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 · +24 tokens per session a6dfe86b7c75
- 10d ago First seen · 1,046 lines · 167 tokens per session scan A 994d8c01580f
foundry-mcp-aca is a skill published in the GitHub repository aiappsgbb/awesome-gbb (5 stars, last pushed 3d ago), licensed MIT. It adds 191 tokens to every session and 13,657 once invoked, about $0.0010 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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