What is the key difference between Robrain and Remembra?

Robrain belongs to the Knowledge & Memory category with local stdio execution, while Remembra belongs to the Knowledge & Memory category with local stdio execution.

How do I install Robrain or Remembra in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Robrain and Remembra free or paid?

Robrain operates under a Freemium model (API Key required). Remembra operates under a Free / Open Source model (API Key required).

Which MCP server has more tools and community activity?

Robrain lists 6 tools with 2 views and 81 GitHub stars. Remembra lists 6 tools with 2 views and 15 GitHub stars.

Can I use both Robrain and Remembra together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Robrain vs Remembra

In-depth architectural comparison of the Robrain and Remembra 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

Robrain

Knowledge & Memory · Local stdio

Quality: 55/100 (Good) | Auth: API Key required

Remembra

Knowledge & Memory · Local stdio

Quality: 52/100 (Good) | Auth: API Key required

Verdict Summary: Choose Robrain if you need specialized Knowledge & Memory tools running via a local process. Choose Remembra 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 Robrain when:

You need dedicated capabilities in the Knowledge & Memory domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Freemium).
You have access to required keys: ANTHROPIC_API_KEY, OPENAI_API_KEY, PERCEPTION_API_KEY, POSTGRES_PASSWORD.
Primary tools included: Passive capture of session turns and decisions, Structured rejected[] field for vetoed alternatives, Corpus-wide contradiction and stance drift detection.

Explore Robrain Details

Choose Remembra when:

You need dedicated capabilities in the Knowledge & Memory domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: REMEMBRA_URL, REMEMBRA_USER_ID, REMEMBRA_ASYNC_ENRICHMENT.

Feature & Specification Comparison

Specification	Robrain adelinamart Knowledge & Memory	Remembra remembra-ai Knowledge & Memory
Summary	Self-hosted decision memory for AI coding agents. Passively captures architectural decisions with the alternatives you rejected (structured rejected[]), then warns the agent before it re-proposes a rejected approach. Postgres + pgvector; cross-tool across Claude Code, Cursor, Copilot, and Codex. Install: npx robrain up && npx robrain install.	Persistent memory layer for AI agents with entity resolution, PII detection, AES-256-GCM encryption at rest, and hybrid search. 100% on LoCoMo benchmark. Self-hosted.
Category & Scope

Tools & Capabilities Breakdown

Robrain Tools (6)

Passive capture of session turns and decisions

Structured rejected[] field for vetoed alternatives

Corpus-wide contradiction and stance drift detection

Postgres + pgvector backend for persistent storage

Cross-tool integration with Claude Code, Cursor, Copilot, Codex CLI

Self-hosted or managed cloud deployment options

Remembra 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).

Robrain Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "adelinamart-robrain": {
      "command": "npx",
      "args": [
        "-y",
        "robrain@latest"
      ],
      "env": {
        "ANTHROPIC_API_KEY": "YOUR_ANTHROPIC_API_KEY_HERE",
        "OPENAI_API_KEY": "YOUR_OPENAI_API_KEY_HERE",
        "PERCEPTION_API_KEY": "YOUR_PERCEPTION_API_KEY_HERE",
        "POSTGRES_PASSWORD": "YOUR_POSTGRES_PASSWORD_HERE"
      }
    }
  }
}

Remembra Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "remembra-ai-remembra": {
      "command": "uvx",
      "args": [
        "remembra"
      ],
      "env": {
        "REMEMBRA_URL": "YOUR_REMEMBRA_URL_HERE",
        "REMEMBRA_USER_ID": "YOUR_REMEMBRA_USER_ID_HERE",
        "REMEMBRA_ASYNC_ENRICHMENT": "YOUR_REMEMBRA_ASYNC_ENRICHMENT_HERE"
      }
    }
  }
}

Frequently Asked Questions

Robrain is categorized under Knowledge & Memory and uses a local stdio subprocess. In contrast, Remembra belongs to Knowledge & Memory using local stdio subprocess. Select Robrain when you need capabilities focused on knowledge & memory and Remembra when you require tools for knowledge & memory.

More alternatives to Robrain More alternatives to Remembra Knowledge & Memory category hub