donggyun112/keymem

Overview

A minimal TypeScript library providing a simple in-memory key-value store. It allows storing and retrieving values using string keys, suitable for transient data in single-process applications.

Best for

Best for
Developers who need a trivial in-memory cache for small TypeScript projects

Use cases

• Cache API responses or computed values in memory
• Store temporary session data for a single process
• Manage lightweight state without a database

How to use

Install

npm i -g keymem

Tools exposed

• proper_noun
• KEYMEM_MIN_SCORE
• KEYMEM_GATE_Z
• KEYMEM_CONTRADICTION
• KEYMEM_AUTOKEY
• KEYMEM_AUTOKEY_PROMOTE_N
• KEYMEM_AUTOKEY_CONFIRM_FLOOR
• KEYMEM_AUTOKEY_MAX_ALIASES
• KEYMEM_AUTOKEY_PRUNE_AGE

Tested with

Claude Desktop, Claude Code, Continue, ChatGPT

Notes

A minimal TypeScript library providing a simple in-memory key-value store. It allows storing and retrieving values using string keys, suitable for transient data in single-process applications.

1 stars on GitHub. Last updated 2026-06-26. Licensed MIT.

Use cases

• Cache API responses or computed values in memory
• Store temporary session data for a single process
• Manage lightweight state without a database

Pros

• Lightweight with no external dependencies
• Simple API for basic key-value operations

Cons

• Very limited community adoption (1 star)
• No persistence or advanced features like eviction policies
• Not suitable for distributed or multi-process environments

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.