🛠️Microsoft Ships Work IQ APIs for Microsoft 365 AI Agents
TL;DR
Microsoft's Work IQ APIs hit general availability June 16, giving agents a semantic layer over Microsoft 365 email, files, chats, and calendars. Microsoft says the surface collapses to 10 generic MCP tools, runs about 2x faster than traditional APIs, and uses up to 80% fewer tokens, billed in consumption-based Copilot Credits.
Microsoft's Work IQ APIs hit general availability June 16, giving agents a semantic layer over Microsoft 365 email, files, chats, and calendars. Microsoft says the surface collapses to 10 generic MCP tools, runs about 2x faster than traditional APIs, and uses up to 80% fewer tokens, billed in consumption-based Copilot Credits.
Key Points
General availability on June 16, 2026; public preview already on GitHub at microsoft/work-iq
Four API domains: Chat, Context, Tools, and Workspaces for agent state
Tool surface collapses to 10 generic MCP tools with progressive disclosure
Microsoft's internal tests claim about 2x faster runtime and up to 80% fewer tokens versus traditional APIs
Consumption pricing in Copilot Credits, with a new cost-management dashboard in the admin center
Why It Matters
If agents become the main way software touches Microsoft 365 data, owning the API layer underneath them is how Microsoft keeps enterprises tied to its stack.
Quick Facts
Frequently Asked Questions
Why does this matter?
If agents become the main way software touches Microsoft 365 data, owning the API layer underneath them is how Microsoft keeps enterprises tied to its stack.
What happened?
Microsoft's Work IQ APIs hit general availability June 16, giving agents a semantic layer over Microsoft 365 email, files, chats, and calendars. Microsoft says the surface collapses to 10 generic MCP tools, runs about 2x faster than traditional APIs, and uses up to 80% fewer tokens, billed in consumption-based Copilot Credits.
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