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  1. Providers
  2. ›Cloudflare
  3. ›Workers
  4. ›Update

Feature•Oct 13, 2026

Cloudflare API MCP server sends Workers Issues as MCP Events

WorkersCloudflare · Developer platform

Workers Issues provides built-in error monitoring for Cloudflare Workers. It detects production failures and groups related failures into issues without an SDK or application wrapper.

The Cloudflare API MCP server now sends these issues as MCP Events, the first event it exposes. MCP clients discover cloudflare.alert.workers_observability_real_time_issue with events/list and subscribe with events/subscribe, scoped to an account or a single Worker. When Issues detects a new or recurring issue, the server posts a signed event to the client's webhook, so an agent can start investigating without polling.

To use it, enable Issues on your Worker and connect https://mcp.cloudflare.com/mcp with the Notifications Write and Workers Observability Write permissions to a client that supports MCP Events webhooks.

Read the original announcement↗

More from Workers

All Workers updates →

  1. Workers subrequests now preserve context for BYOIP destinations

    Cloudflare now preserves Workers context when a subrequest targets a Cloudflare-proxied hostname using Bring Your Own IP (BYOIP). These requests are identified as Cloudflare-to-Cloudflare traffic instead of external Internet traffic.

    Workers•Feature•Oct 13, 2026

  2. Workers Builds now posts preview URLs in seconds

    Workers Builds now consistently posts preview URLs to GitHub pull requests and GitLab merge requests within a few seconds of a build completing, so you can start testing and reviewing your changes sooner. Previously, posting preview URLs could often take minutes.

    Workers•Preview•Oct 12, 2026

  3. More time for requests to finish during Workers runtime updates

    Pending requests and connections to Workers now have a grace period of up to 20 minutes during Workers runtime updates. Previously, the grace period was up to 30 seconds.

    Workers•Feature•Oct 12, 2026

  4. Run OpenCode 2.0 on Cloudflare with the Agents SDK

    The Agents SDK now supports OpenCode 2.0 through the experimental OpenCodeHarness. Run OpenCode inside a plain Durable Object, with sessions stored in SQLite and Lifecycle jobs that wake interrupted work after eviction.

    Workers•Feature•Oct 12, 2026

  5. Create Workflow instance batches by count or list

    createBatch() now accepts an options object that creates up to 100 Workflow instances in one call. The result lists the created instances and explains why any others were not created.

    Workers•Feature•Oct 8, 2026