#copilotagents
LightNews LightNews
sebastienlevert.com
🛠️ Your first Copilot agent doesn't need a backend.
Start with an empty folder, shape the instructions, and test in Copilot Chat. Follow the build through deployment.

themanifest.dev/blog/creatin...

#CopilotAgents #ProCode
October 29, 2026 at 2:13 PM
sebastienlevert.com
🔧 Same capability in three agents = three copies to maintain. Make the plugin the unit of reuse: connector for reach, skill for judgment, guardrails shipped together.

themanifest.dev/blog/buildin...

#CopilotAgents #MCP
October 26, 2026 at 7:51 PM
sebastienlevert.com
🔍 Your agent gave a plausible answer. Did it call your API?

Type -developer on in Copilot Chat. Read the action details before changing instructions.

themanifest.dev/blog/debuggi...

#CopilotAgents #Debugging
October 27, 2026 at 2:13 PM
sebastienlevert.com
📧 Your agent doesn't need five years of inbox noise.
Scope Email grounding to the folder with the answer. Exchange permissions still apply.

themanifest.dev/blog/groundi...

#CopilotAgents #ProCode
October 26, 2026 at 2:13 PM
sebastienlevert.com
🔐 "We'll add auth before production" is how plugin projects lose a week. Auth shapes consent, refresh, and user identity. Test the real flow early.

themanifest.dev/blog/authent...

#CopilotAgents #Security
October 6, 2026 at 7:51 PM
sebastienlevert.com
🚨 A valid API plugin can still call the wrong endpoint. Copilot routes from descriptions, so write the boundary: "Use for onboarding progress. Don't use for HR policy." Test it like code.

themanifest.dev/blog/api-plu...

#CopilotAgents #API
October 6, 2026 at 2:13 PM
sebastienlevert.com
⚡ MCP plugins should not be frozen in yesterday's manifest.

Dynamic tool discovery lets Copilot resolve the current tool surface at runtime.

themanifest.dev/blog/dynamic...

#MCP #CopilotAgents
October 1, 2026 at 1:25 PM
sebastienlevert.com
🏗️ "It worked in dev" is not a release plan.

WIQD separates package, provision, and share so agent promotion has gates, evidence, and a smaller blast radius.

themanifest.dev/blog/promote...

#CopilotAgents #DevOps
September 28, 2026 at 1:25 PM
sebastienlevert.com
🚨 The eval blank page is where too many agents die.

WIQD turns your manifest into coverage for retrieval, refusals, tool calls, confirmations, and errors.

themanifest.dev/blog/generat...

#CopilotAgents #WIQD
September 24, 2026 at 1:25 PM
sebastienlevert.com
🔥 Agent scaffolding is easy. Grounding it safely is the work.

Turn a business brief into scope, sources, refusals, citations, and tests.

themanifest.dev/blog/scaffol...

#CopilotAgents #WIQD
September 21, 2026 at 1:25 PM
sebastienlevert.com
🔄 A shared file format isn't portability. Import an Agent Plugin into WIQD, export it, then test issue triage in a second client. Skills and MCP intent can travel. Auth can't.

themanifest.dev/blog/round-t...

#CopilotAgents #WIQD
September 17, 2026 at 2:13 PM
sebastienlevert.com
🎯 Your agent doesn't need every procedure in its main instructions. Custom skills load the playbook when the job calls: focused, reviewable behavior instead of instruction sprawl.

themanifest.dev/blog/build-d...

#CopilotAgents #ProCode
September 14, 2026 at 7:51 PM
sebastienlevert.com
🚨 Don't give PR code a Microsoft 365 identity. Run WIQD static checks offline. Keep validation and evals on trusted main. Same lifecycle. No secrets near untrusted code.

themanifest.dev/blog/adding-...

#CopilotAgents #DevOps
September 11, 2026 at 7:51 PM
sebastienlevert.com
My test for an agent: would anyone miss it if it disappeared tomorrow?

Not "was the demo impressive." Not "did the prompt sound clever."

Would someone say: wait, where did that go? I need it.

aka.ms/M365AgentsPl...

#CopilotAgents
September 7, 2026 at 7:51 PM
sebastienlevert.com
🚨 Importing an Agent Builder agent isn't a rewrite. Preserve instructions, starters, and refusals first. WIQD turns the prototype into reviewable files, parity checks, and evals.

themanifest.dev/blog/import-...

#CopilotAgents #ProCode
September 7, 2026 at 2:13 PM
sebastienlevert.com
🌍 A fluent translation can still break your agent.

If French drops citations or weakens a compensation refusal, you've shipped different behavior. Pair every English eval with French.

themanifest.dev/blog/localiz...

#CopilotAgents #WIQD
September 3, 2026 at 7:51 PM
sebastienlevert.com
🧯 Valid JSON can still describe a dead agent.

Static checks catch broken paths. Deep checks catch renamed MCP tools and auth drift. Fix one finding at a time.

themanifest.dev/blog/validat...

#CopilotAgents #WIQD
September 1, 2026 at 7:51 PM
sebastienlevert.com
The best agents probably will not feel flashy. They will feel obvious.

Right context. Task done without turning it into a project. Knows when to ask instead of guess.

"Oh good, this is handled."

aka.ms/M365AgentsPl...

#CopilotAgents
The Microsoft 365 Copilot Agent's Playbook, a Microsoft Reactor series. Speaker headshots and a QR code linking to https://aka.ms/M365AgentsPlaybook
August 31, 2026 at 7:51 PM
sebastienlevert.com
If AI could retire one phrase from work, I nominate: "Where is that doc again?"

The missing link. The buried decision. The source of truth that became a source of maybe.

aka.ms/M365AgentsPl...

#CopilotAgents
The Microsoft 365 Copilot Agent's Playbook, a Microsoft Reactor series. Speaker headshots and a QR code linking to https://aka.ms/M365AgentsPlaybook
August 27, 2026 at 7:51 PM
sebastienlevert.com
🧭 Great instructions don't fix missing context.

Work IQ connects people, files, meetings, and permissions around your request, then links back to the source.

themanifest.dev/blog/context...

#CopilotAgents #WorkIQ
August 27, 2026 at 2:13 PM
sebastienlevert.com
🚦 Agent promotion isn't "deploy again."

Seal one validated package, apply named environment config, then share with an explicit pilot. New checksum? New release.

themanifest.dev/blog/promote...

#CopilotAgents #DevOps
August 24, 2026 at 7:51 PM
sebastienlevert.com
📅 Reading your calendar is half a job.

MeetingActions lets an agent schedule events, run polls, and find time as the signed-in user. One manifest capability. Real scheduling.

themanifest.dev/blog/meeting...

#CopilotAgents #Microsoft365
August 21, 2026 at 2:13 PM
sebastienlevert.com
🎯 "Ready to publish" should be checked against project state, not vibes.

WIQD runs Build, Improve, Preview, Publish as one loop.

themanifest.dev/blog/declara...

#CopilotAgents #ProCode
August 18, 2026 at 7:51 PM
sebastienlevert.com
🔧 A new tool on your MCP server used to mean repackage, revalidate, republish.

Dynamic tool discovery drops the frozen list. Copilot resolves tools from the server at runtime.

themanifest.dev/blog/dynamic...

#CopilotAgents #MCP
August 18, 2026 at 2:13 PM
sebastienlevert.com
Every team has the person who knows where the process lives, and gets tagged with "quick question" often enough to deserve an Outlook category.

Agents will not replace that expert. They can help them scale.

aka.ms/M365AgentsPl...

#CopilotAgents
The Microsoft 365 Copilot Agent
August 17, 2026 at 7:51 PM