Kvstore

In-memory key-value store with TTL for AI agents. Set, get, delete, list, flush, and stats. Supports any JSON value, optional TTL per key, and prefix-based key listing. Like a lightweight Redis for agent pipelines.

Lightweight key-value store for agent state, caching, and data sharing.

Start the server

uvicorn kvstore.app:app --port 8013

Set a value

curl -s -X POST http://localhost:8013/v1/set \
  -H "Content-Type: application/json" \
  -d '{"key": "user:1", "value": {"name": "Alice", "role": "admin"}}' | jq

Set with TTL (auto-expires)

curl -s -X POST http://localhost:8013/v1/set \
  -H "Content-Type: application/json" \
  -d '{"key": "cache:token", "value": "abc123", "ttl_seconds": 3600}' | jq

Get a value

curl -s http://localhost:8013/v1/get/user:1 | jq

Returns key, value (any JSON), and ttl_remaining (seconds until expiry, or null).

List keys by prefix

curl -s "http://localhost:8013/v1/keys?prefix=user:" | jq

Delete / Flush / Stats

curl -s -X DELETE http://localhost:8013/v1/delete/user:1 | jq
curl -s -X POST http://localhost:8013/v1/flush | jq
curl -s http://localhost:8013/v1/stats | jq

Endpoints

Method	Path	Description
POST	/v1/set	Set a key-value pair (optional TTL)
GET	/v1/get/{key}	Get value by key
DELETE	/v1/delete/{key}	Delete a key
GET	/v1/keys	List keys (optional ?prefix=)
POST	/v1/flush	Delete all keys
GET	/v1/stats	Hit/miss counts and total keys