microsoft/Build26-BRK242-turn-your-agents-into-action-connect-tools-apis-and-documents contains Microsoft Build 2026 session resources about connecting AI agents to tools, APIs, and documents through governed tool selection. It is intended for developers building agents that need efficient access to MCP servers, A2A, OpenAPI, connectors, built-in tools, and structured content from multimodal files. The catalogue add-ons are session instructions for exploring these agent-building patterns.
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 microsoft/Build26-BRK242-turn-your-agents-into-action-connect-tools-apis-and-documents --skill inventory-lookupgit clone --depth 1 https://github.com/microsoft/Build26-BRK242-turn-your-agents-into-action-connect-tools-apis-and-documentsWrote 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/microsoft/build26-brk242-turn-your-agents-into-action-connect-tools-apis-and-documents/inventory-lookup)<a href="https://agentmods.dev/skills/microsoft/build26-brk242-turn-your-agents-into-action-connect-tools-apis-and-documents/inventory-lookup"><img src="https://agentmods.dev/badge/skills/microsoft/build26-brk242-turn-your-agents-into-action-connect-tools-apis-and-documents/inventory-lookup/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/microsoft/build26-brk242-turn-your-agents-into-action-connect-tools-apis-and-documents/inventory-lookup"><img src="https://agentmods.dev/badge/skills/microsoft/build26-brk242-turn-your-agents-into-action-connect-tools-apis-and-documents/inventory-lookup.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 | $0.00047 | $0.01221 |
| Opus 5 | $0.00023 | $0.00611 |
| Sonnet 5 | $0.00009 | $0.00244 |
| Haiku 4.5 | $0.00005 | $0.00122 |
Grade A, and why
inventory-lookup 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 — 107 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Inventory Lookup
Use this skill when the technician asks about parts, stock, equipment, or availability.
When to Use
- "Do we have any SC connectors?"
- "What's the stock on FIB-042?"
- "Show me all splice equipment"
- "Is the OTDR available?"
- "What connectors do we carry?"
- "Check stock for the parts on WO-007"
Tools Used by This Skill
All inventory capabilities live in the Foundry Toolbox under the inventory MCP server, so the actual tool names are prefixed inventory___.
| Capability | Prefixed tool name |
|---|---|
| Free-text part search | inventory___search_parts |
| Browse / filter list | inventory___list_parts |
| Single-part details | inventory___get_part_details |
| Single-part stock | inventory___check_stock |
| Multi-part stock | inventory___check_stock_batch |
Step 0: Discover tools (REQUIRED before first inventory call this turn)
If the inventory tools aren't already visible in your tool list, call tool_search once with limit: 10. Use a query made from the technician's own domain terms — the toolbox is indexed with fiber-tech vocabulary so terms like "OTDR", "splicer", "VFL", "connector", "patch cord", "splice tray", "test equipment" all match inventory tools directly.
Examples:
- "OTDR stock?" →
tool_search({"query": "OTDR", "limit": 10}) - "do we have SC connectors?" →
tool_search({"query": "SC connector", "limit": 10}) - generic "check parts" →
tool_search({"query": "inventory parts stock", "limit": 10})
Always pass limit: 10 so all inventory tools surface. The returned tools stay callable for the rest of the turn — do not call tool_search again for inventory in this turn.
If tool_search returns "No tools matched", fall back to invoking inventory tools directly via call_tool with their prefixed names from the table above — the tools exist regardless of search results.
Step 1: Choose the Right Tool
| Question Type | Tool (prefixed name) | Example |
|---|---|---|
| Free-text search ("do we have…", "find…") | inventory___search_parts |
"do we have splice trays?" |
| Browse by category | inventory___list_parts with category filter |
"show all connectors" |
| Specific part by ID | inventory___get_part_details with part_id |
"details on FIB-012" |
| Stock level for a known part | inventory___check_stock with part_id |
"how many FIB-042 in stock?" |
| Stock levels for multiple parts | inventory___check_stock_batch with part_ids list |
"check stock for FIB-003 and FIB-012" |
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 · 107 lines · 47 tokens per session scan A 684d01c38f77
inventory-lookup is a skill published in the GitHub repository microsoft/Build26-BRK242-turn-your-agents-into-action-connect-tools-apis-and-documents (10 stars, last pushed 23d ago), licensed MIT. It adds 47 tokens to every session and 1,221 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 2026-08-31.
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