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Evidence record · captured 2026-10-10

Cloudflare Agents SDK

Retrieval-first implementation guidance for stateful Cloudflare agents, including Durable Object state, RPC, scheduling, workflows, streaming chat, MCP, and operational gotchas.

Official publisherUnverifiedSource reviewedBehavior not tested
Source review

Editorial assessment

This is a source-only assessment. It does not claim runtime or security testing.

What it does

The skill is a broad routing and implementation guide for the Agents SDK. It starts by requiring current-doc retrieval, then supplies configuration, state, RPC, routing, scheduling, chat, workflow, and integration patterns.

Best for

  • Building a stateful agent on Workers
  • Adding scheduling, streaming chat, or MCP to an Agents SDK project
  • Reviewing an existing agent against Cloudflare-specific configuration rules

Strengths in the source

  • Separates stable workflow advice from fast-moving API details that must be retrieved.
  • Calls out concrete migration, decorator, binding, and Durable Object configuration hazards.
  • Maps a large SDK surface to focused reference files instead of pretending one example covers every use case.

Limitations

  • Its breadth makes it a routing layer, not a substitute for the linked feature references.
  • Several capabilities are marked experimental and need current documentation before use.
  • The source review did not validate code samples against a deployed Worker.

When not to use it

  • A stateless Worker that does not need agent lifecycle or persistence
  • A non-Cloudflare agent runtime

Reviewed by Retenta editorial on 2026-10-10; scope: source only.

Files included in this review
  • skills/agents-sdk/SKILL.md
  • README.md
  • LICENSE

Evidence and boundaries

Execution · not tested

Retenta reviewed the pinned source but did not install or execute this skill.

Security · not tested

No sandbox run, dependency audit, or independent security assessment is claimed.

Pinned publisher source
skills/agents-sdk/SKILL.md
Revision
c430dd965cea3a8faf0ef035e3b3d73b38518081
License evidence
Apache-2.0The pinned repository root LICENSE is the Apache License, Version 2.0.
Last source change
2026-10-01
Independent verification
The source is controlled by Cloudflare; Retenta has not independently verified its runtime behavior or security.
Upstream repository
Open publisher repository

Compatibility

Agent Skills clients

documented

Cloudflare documents installation paths for Codex, Claude Code, VS Code/Copilot, Cursor, and other Agent Skills clients.

Requirements and access

  • A Workers project
  • The agents npm package
  • Current Cloudflare documentation for the feature being implemented

Referenced tools

Cloudflare documentation retrieval

Install from the source

Cloudflare documents this command for agents that support the Agent Skills standard; it installs the repository collection, not only this record.

Download the pinned SKILL.md Apache-2.0 license text
Verify the publisher's install documentation

More Cloudflare skills →

Publisher-documented Agent Skills install

npx skills add https://github.com/cloudflare/skills

Thyme RAG Capsules

Add Cloudflare Agents SDK to a capsule in one click.

Every capsule's dashboard lists this skill. Add it, and it becomes searchable next to your own documents from every agent you connect, with its source and license attached.

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