name	cloudflare-kv
description	Use when persisting tool data in Cloudflare KV - Describes bindings, key naming, and function conventions.

Cloudflare deploys a shared KV namespace bound as TOOLS_KV for all tools. Use the binding directly; do not create new namespaces per tool.
Structure keys as <tool-name>:<key> so data stays isolated between tools.
Store small JSON blobs or strings. For structured data, serialize to JSON and document the schema in the tool README.

Prefer atomic operations like TOOLS_KV.get, put, and delete. For counters, use TOOLS_KV.get + put with retries or Workers KV atomic counters when available.
Always handle the null case on get to avoid undefined data paths for first-time users.
Cache reads in memory during a single request when multiple lookups are required.

Name or prefix Functions after the tool, e.g. counter_increment or counter/functions/increment so routes stay organized.
In Functions, read and write KV via the env.TOOLS_KV binding provided in the handler signature.
Return descriptive error messages and HTTP status codes for KV failures to simplify debugging.

The counter tool stores its count in TOOLS_KV under the key counter:value. Reuse that pattern whenever you need shared state across sessions.

name	cloudflare-kv
description	Use when persisting tool data in Cloudflare KV - Describes bindings, key naming, and function conventions.

Cloudflare deploys a shared KV namespace bound as TOOLS_KV for all tools. Use the binding directly; do not create new namespaces per tool.
Structure keys as <tool-name>:<key> so data stays isolated between tools.
Store small JSON blobs or strings. For structured data, serialize to JSON and document the schema in the tool README.

Prefer atomic operations like TOOLS_KV.get, put, and delete. For counters, use TOOLS_KV.get + put with retries or Workers KV atomic counters when available.
Always handle the null case on get to avoid undefined data paths for first-time users.
Cache reads in memory during a single request when multiple lookups are required.

Name or prefix Functions after the tool, e.g. counter_increment or counter/functions/increment so routes stay organized.
In Functions, read and write KV via the env.TOOLS_KV binding provided in the handler signature.
Return descriptive error messages and HTTP status codes for KV failures to simplify debugging.

The counter tool stores its count in TOOLS_KV under the key counter:value. Reuse that pattern whenever you need shared state across sessions.

cloudflare-kv

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