Koskamo

Fidelis Memory MCP

Fidelis Memory provides local-first agent memory capabilities, allowing AI agents to save text notes across sessions and retrieve original passages verbatim using BM25, dense-vector, and reciprocal-rank-fusion retrieval without requiring a generative model to rewrite the memory.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Fidelis Memory MCP logo, by Hermes LabsCommunity listingLocal stdioSource reviewed; not executedPublished by Hermes Labs
Vendor documentation

What you can do with it

  • Save text notes across sessions
  • Retrieve original passage verbatim
  • Perform local-first BM25 retrieval
  • Use dense-vector and reciprocal-rank-fusion retrieval

Source and maintenance

Community listingRegistry 0.2.0
mcp-registry: io.github.hermes-labs-ai/fidelis-memory@0.2.0Source repositoryProject website
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

fidelis-memory 0.2.0

pypiuvx
fidelis-memory package definition
{
  "version": "0.2.0",
  "transport": "stdio",
  "identifier": "fidelis-memory",
  "runtimeHint": "uvx",
  "registryType": "pypi",
  "registryBaseUrl": "https://pypi.org",
  "packageArguments": [
    {
      "type": "positional",
      "value": "fidelis"
    },
    {
      "type": "positional",
      "value": "mcp"
    },
    {
      "type": "positional",
      "value": "serve"
    }
  ],
  "runtimeArguments": [
    {
      "name": "--from",
      "type": "named",
      "value": "fidelis-memory"
    }
  ],
  "environmentVariables": [
    {
      "name": "FIDELIS_PORT",
      "format": "number",
      "description": "Port of the local fidelis-server process (default: 19420)."
    }
  ]
}

Tools

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No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "fidelis-memory-mcp": {
      "command": "uvx",
      "args": [
        "fidelis-memory==0.2.0",
        "fidelis",
        "mcp",
        "serve"
      ],
      "env": {
        "FIDELIS_PORT": "<YOUR_FIDELIS_PORT>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "fidelis-memory-mcp": {
      "command": "uvx",
      "args": [
        "fidelis-memory==0.2.0",
        "fidelis",
        "mcp",
        "serve"
      ],
      "env": {
        "FIDELIS_PORT": "<YOUR_FIDELIS_PORT>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "fidelis-memory-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "fidelis-memory==0.2.0",
        "fidelis",
        "mcp",
        "serve"
      ],
      "env": {
        "FIDELIS_PORT": "<YOUR_FIDELIS_PORT>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "fidelis-memory-mcp": {
      "command": "uvx",
      "args": [
        "fidelis-memory==0.2.0",
        "fidelis",
        "mcp",
        "serve"
      ],
      "env": {
        "FIDELIS_PORT": "<YOUR_FIDELIS_PORT>"
      }
    }
  }
}

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