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Cloudflare Agents SDK

TypeScript SDK for persistent AI agents on Cloudflare Durable Objects, with state sync, scheduling and MCP support.

Harness by Cloudflare

IndexedMIT★ 5,880
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Install

From the package registry. Read the repository before you give any tool access to your data.

npm install agents

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About

The Agents SDK runs each agent as a Cloudflare Durable Object with its own state and storage; agents hibernate when idle and wake on demand. Callable methods and synced state let connected clients call the agent and receive updates over WebSockets. The SDK also covers scheduling, sub-agents, MCP server and client roles, durable workflows with human approval, and voice and email channels.

Use cases: agent-orchestration, backend-development

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Fact sheet

Languages
TypeScriptREADME
Packages
agents (npm)README
Multi-agent
YesREADME
Orchestration
otherREADME
MCP support
Built inREADME
Streaming
YesREADME
Memory
short-term, long-termREADME
Human in the loop
YesREADME
Deploys to
cloudflare-workersdevelopers.cloudflare.com
Maturity
Betagithub.com

Facts extracted by Claude Haiku 5.5 from the linked sources on Oct 24, 2026. Wrong fact? Tell us.

Alternatives

Frameworks for the same language with a similar way of orchestrating agents.

Signals

Stars
5,880
Forks
799
Open issues
147
Last commit
Oct 23, 2026 (7 days ago)
Last release
Oct 23, 2026 (7 days ago)

From GitHub (fetched Oct 24, 2026).

Details

Packages
npm agents
License
MIT
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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Cite this page

Cloudflare Agents SDK. Agent Mart. https://agentmart.dev/harnesses/cloudflare-agents-sdk (last updated 2026-10-24)