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Dear Diary

MCP server giving coding agents persistent semantic memory. Qdrant vectors and local FastEmbed embeddings – no cloud round-trips.

Introduction

Overview

Prerequisites

Installation

Installing with cargo-binstall
Building from source
Verifying the build

Configuration

Environment variables
Connection modes
Example configuration
Collection name interpolation
Qdrant Cloud configuration

Running the server

Standalone execution
Integration with Claude Desktop

Tool reference

qdrant_store
qdrant_find
qdrant_deprecate

Deprecation lifecycle

Collections

Collection naming
Multiple collections

Embedding model

Model download
Alternative models

Read-only mode

Error handling

Troubleshooting

Connection refused
Authentication failures
Empty search results
Model download failures

Programmatic API

`DiaryServer`
`McpServerError`
Request types

Known limitations

Arbitrary filter parsing

Source

Source material

Contents

Introduction
- Introduction
Overview
- Overview
Prerequisites
- Prerequisites
Installation
Configuration
Running the server
Tool reference
Deprecation lifecycle
- Deprecation lifecycle
Collections
Embedding model
Read-only mode
- Read-only mode
Error handling
- Error handling
Troubleshooting
Programmatic API
Known limitations
- Known limitations
- Arbitrary filter parsing

Introduction

Updated May 23, 2026

This guide provides comprehensive instructions for installing, configuring, and using the Dear Diary Model Context Protocol (MCP) server.

df12 Productions

Serious systems, playful worlds. We ship tools that cut build times and stories that map the human edge of complex networks.

OSS & Licences

Limela — licence
Netsuke — licence
mxd — licence
Episodic — licence

Stay in touch

[email protected]
GitHub
Bluesky

Built for curious builders and storytellers everywhere. © 2026 df12 Productions.