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Glossary · term65 of 202

Durable Object

A Cloudflare Workers primitive that gives a single instance of code its own persistent storage and guaranteed single-threaded execution, used to hold state a stateless server can't.

also written as durable objects

Related terms
McpAgentCloudflare's earlier stateful primitive for building MCP servers, backed by a Durable Object, now deprecated and feature-frozen in favor of session-free serving.view term->state handleAn explicit token a tool mints and hands back to the model to pass in as an argument later, replacing the implicit session concept that stateless MCP forbids servers from keeping.view term->
At a glance
cited by
1 post
categories
1
first used
jul 2026
Appears in
  • Every Stateless MCP Server Rebuilds State SomewhereA stateless MCP server never deletes its state, it just relocates it. The measured wire cost, the three places it lands, and how to pick one of them on purpose.opinion1 min
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