Fidelis Memory vs SPM

In-depth architectural comparison of the Fidelis Memory and SPM 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.

Which MCP Server Should You Choose?

Choose Fidelis Memory 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).

Explore Fidelis Memory Details

S

Choose SPM when:

• You need dedicated capabilities in the Knowledge & Memory domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore SPM Details

Feature & Specification Comparison

Specification	Fidelis Memory Knowledge & Memory	S SPM Knowledge & Memory
Summary	Recall locally stored agent memories through an MCP-compatible host.	Agent memory that refuses to guess: evidence-gated recall, exact-source reads, verifiable deletion.
Category & Scope	Knowledge & Memory	Knowledge & Memory
Quality signal

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "fidelis-memory": {
      "command": "uvx",
      "args": [
        "--from"
      ]
    }
  }
}

{
  "mcpServers": {
    "spm": {
      "url": "https://spmos.ai"
    }
  }
}

Related MCP Server Comparisons