The request names "FeatureClient", which matches Microsoft's Featureclient API, whose official door is the FeatureClient API for listing and registering preview features in a provider namespace 111. Among the other candidates, OpenFeature is an open, vendor-agnostic feature-flagging specification 2 and LaunchDarkly offers feature flags and runtime control with a REST API 5.
- 1
Microsoft FeatureClient APImicrosoft.comverified and signed
Lists preview features in a provider namespace available through AFEC for a subscription, and registers a preview feature for the subscription 11.
official:API · FeatureClient
for agents: Features_List · Features_List · Features_Register
- 2
OpenFeatureopenfeature.devverified and signed
An open, vendor-agnostic, community-driven API specification for feature flagging that works with various feature flag management tools or in-house solutions 2.
official:MCP server · dev.openfeature/mcp+7 community tools built for it
for agents: feature · feature · openfeature
- 3
LaunchDarkly REST APIlaunchdarkly.comverified and signed
A feature management platform offering feature flags, progressive delivery, automated rollback and runtime control, with a REST API 5.
official:API · LaunchDarkly REST API+8 community tools built for it
for agents: feature management · feature toggles · feature flags
Sources
- 1Microsoft – AI, Cloud, Productivity, Computing, Gaming & Appsmicrosoft.com · read 2026-10-29
- 2OpenFeatureopenfeature.dev · read 2026-10-29
- 5Runtime Control for AI-Era Software | Feature Flags & AI Agent Control | LaunchDarklylaunchdarkly.com · read 2026-10-29
- 11FeatureClient: declares "Features_List" (the record we read and signed)unfragile.ai ·
For agents: the 10 actions behind this answer
Features_List · FeatureClient verified and signed
Gets all the preview features in a provider namespace that are available through AFEC for the subscription.
feature · @openfeature/server-sdk verified and signed
Features_Get · Azure Machine Learning Services verified and signed
Get feature.
PostEntitlementsFeaturesId · Stripe API verified and signed
Updates a feature
breakdown-feature-implementation · breakdown-feature-implementation verified and signed
Prompt for creating detailed feature implementation plans, following Epoch monorepo structure.
feature management · @launchdarkly/js-client-sdk verified and signed
Features_AccountGet · PurviewManagementClient verified and signed
Gets a list of features and their status for the account. Status of enabled features will be true. Status of disabled features will be false. Features that don't exist will be excluded from the resu
client · @launchdarkly/js-sdk-common verified and signed
python · fastcore verified and signed
create_workspace · opensearch-flux found in code, not yet checked
Create a new workspace on the target instance. Use before import_ndjson. Pass dataSourceId to auto-associate.
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.