Fidelis Memory MCP Server

by hermes-labs-aiio.github.hermes-labs-ai/fidelis-memoryv0.2.0

Local-first memory with verbatim recall, querying, health checks and context-sensitive orientation, using LLM-free retrieval by default.

24Pythonstdioofficial registry

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Active7d ago

Install Fidelis Memory MCP server

claude mcp add fidelis-memory -- uvx fidelis-memory fidelis mcp serve

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

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

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

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "fidelis-memory": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "fidelis-memory",
        "fidelis",
        "mcp",
        "serve"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

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

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
FIDELIS_PORT	—	—	Port of the local fidelis-server process (default: 19420).

Freshness

Active — last maintenance signal 7d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-02 · 7d ago · GitHub
Latest release
2026-09-20 · 19d ago · GitHub · v0.2.0
Package published
no data · npm/PyPI
Registry entry updated
2026-09-20 · 19d ago · official registry · v0.2.0

FAQ

›How do I install the Fidelis Memory MCP server in Claude Code?

Run: claude mcp add fidelis-memory -- uvx fidelis-memory fidelis mcp serve. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Fidelis Memory require an API key?

No required environment variables are declared in its published metadata.

›Can I use Fidelis Memory as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Fidelis Memory in the official MCP registry?

Yes, as io.github.hermes-labs-ai/fidelis-memory.