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Execution Context (Runtime) Configuration

Global Configuration

Precedence

The order of precedence for these options is:
CLI flag > environment variable > default value

Runtime File Path

All commands support an optional parameter to specify the location of the mcpd runtime file which provides the execution context.

You can provide this path in multiple ways:

  • CLI flag: --runtime-file <path>
  • Environment variable: MCPD_RUNTIME_FILE=<path>
  • Default: ~/.config/mcpd/secrets.dev.toml

XDG_CONFIG_HOME environment variable

mcpd honors the XDG Base Directory Specification, respecting the XDG_CONFIG_HOME environment variable. This forms the base directory where mcpd will create an application folder.

The runtime file is modified using the following commands:

  • mcpd config args set
  • mcpd config env set

These values apply at runtime and are separate from your project-specific .mcpd.toml.

Sample Configuration File

[servers]
  [servers.fetch]
    args = ["--ignore-robots-txt", "--user-agent=mcpd/1.0.0"]
    [servers.fetch.env]
      foo = "bar"
  [servers.time]
    args = ["--local-timezone=Europe/London"]
    [servers.time.env]
      baz = "123"
      qwerty = "xyz"

Manual Changes

The Execution Context Configuration file is automatically updated by mcpd config commands, you shouldn't edit it by hand unless absolutely necessary.