In-depth architectural comparison of the Claude Find and Cortex Plugin MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Claude Find
Knowledge & Memory · Local stdio
Quality: 43/100 (Fair) | Auth: No auth required
Cortex Plugin
Knowledge & Memory · Local stdio
Quality: 60/100 (Good) | Auth: No auth required
Verdict Summary: Choose Claude Find if you need specialized Knowledge & Memory tools running via a local process. Choose Cortex Plugin if your workspace requires Knowledge & Memory integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Claude Find when:
You need dedicated capabilities in the Knowledge & Memory domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: Indexes raw JSONL session transcripts from Claude Code, Uses GPU-accelerated qwen3 embeddings via Ollama, Hybrid semantic and keyword search with Reciprocal Rank Fusion.
You need dedicated capabilities in the Knowledge & Memory domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
You have access to required keys: MEMEM_TELEMETRY_SOURCE.
Primary tools included: Event-triggered background miner extracting durable lessons from conversations, Stores memories as markdown files in a local Obsidian vault, Active Memory Slice assembling query-tailored context briefings.
Pull Deep Memory from across your Claude Code Sessions — when you need it.
Persistent, self-evolving memory plugin for Claude Code. Background miner extracts durable lessons (decisions, conventions, bug fixes) from completed sessions via Claude Haiku, stores them as human-readable markdown in an Obsidian vault, and assembles query-tailored context briefings at session start. Local-first, no cloud, no API keys. Self-healing install via uv bootstrap shim, /cortex-doctor preflight, graceful FTS-only degraded mode when claude CLI missing. MIT.
Category & Scope
Tools & Capabilities Breakdown
Claude Find Tools (6)
Indexes raw JSONL session transcripts from Claude Code
Uses GPU-accelerated qwen3 embeddings via Ollama
Hybrid semantic and keyword search with Reciprocal Rank Fusion
Includes metadata like project, branch, files, and dates
Background indexing with immediate searchable results
Disables session cleanup for permanent history retention
Cortex Plugin Tools (6)
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Claude Find is categorized under Knowledge & Memory and uses a local stdio subprocess. In contrast, Cortex Plugin belongs to Knowledge & Memory using local stdio subprocess. Select Claude Find when you need capabilities focused on knowledge & memory and Cortex Plugin when you require tools for knowledge & memory.