diff --git a/docs/cli/config.md b/docs/cli/config.md
index 79457da5c..f757327f3 100644
--- a/docs/cli/config.md
+++ b/docs/cli/config.md
@@ -1,6 +1,6 @@
 # `mise config`
 
-**Usage**: `mise config [--no-header] <SUBCOMMAND>`
+**Usage**: `mise config [--no-header] [-J --json] <SUBCOMMAND>`
 
 **Aliases**: `cfg`
 
@@ -12,9 +12,13 @@ Manage config files
 
 Do not print table header
 
+### `-J --json`
+
+Output in JSON format
+
 ## Subcommands
 
 * [`mise config generate [-o --output <OUTPUT>]`](/cli/config/generate.md)
 * [`mise config get [-f --file <FILE>] [KEY]`](/cli/config/get.md)
-* [`mise config ls [--no-header]`](/cli/config/ls.md)
+* [`mise config ls [--no-header] [-J --json]`](/cli/config/ls.md)
 * [`mise config set [-f --file <FILE>] [-t --type <TYPE>] <KEY> <VALUE>`](/cli/config/set.md)
diff --git a/docs/cli/config/ls.md b/docs/cli/config/ls.md
index e53064f4d..c665ff6cb 100644
--- a/docs/cli/config/ls.md
+++ b/docs/cli/config/ls.md
@@ -1,6 +1,6 @@
 # `mise config ls`
 
-**Usage**: `mise config ls [--no-header]`
+**Usage**: `mise config ls [--no-header] [-J --json]`
 
 List config files currently in use
 
@@ -10,6 +10,10 @@ List config files currently in use
 
 Do not print table header
 
+### `-J --json`
+
+Output in JSON format
+
 Examples:
 
     mise config ls
diff --git a/docs/cli/index.md b/docs/cli/index.md
index 1b4afc020..e173043f8 100644
--- a/docs/cli/index.md
+++ b/docs/cli/index.md
@@ -41,10 +41,10 @@ Answer yes to all confirmation prompts
 * [`mise cache clear [PLUGIN]...`](/cli/cache/clear.md)
 * [`mise cache prune [--dry-run] [-v --verbose...] [PLUGIN]...`](/cli/cache/prune.md)
 * [`mise completion [SHELL]`](/cli/completion.md)
-* [`mise config [--no-header] <SUBCOMMAND>`](/cli/config.md)
+* [`mise config [--no-header] [-J --json] <SUBCOMMAND>`](/cli/config.md)
 * [`mise config generate [-o --output <OUTPUT>]`](/cli/config/generate.md)
 * [`mise config get [-f --file <FILE>] [KEY]`](/cli/config/get.md)
-* [`mise config ls [--no-header]`](/cli/config/ls.md)
+* [`mise config ls [--no-header] [-J --json]`](/cli/config/ls.md)
 * [`mise config set [-f --file <FILE>] [-t --type <TYPE>] <KEY> <VALUE>`](/cli/config/set.md)
 * [`mise current [PLUGIN]`](/cli/current.md)
 * [`mise deactivate`](/cli/deactivate.md)
diff --git a/mise.usage.kdl b/mise.usage.kdl
index b715bdfa8..6e1b2a3d3 100644
--- a/mise.usage.kdl
+++ b/mise.usage.kdl
@@ -186,6 +186,7 @@ cmd "config" help="Manage config files" {
     alias "cfg"
     alias "toml" hide=true
     flag "--no-header" help="Do not print table header"
+    flag "-J --json" help="Output in JSON format"
     cmd "generate" help="[experimental] Generate a mise.toml file" {
         alias "g"
         after_long_help r"Examples:
@@ -215,6 +216,7 @@ cmd "config" help="Manage config files" {
     $ mise config ls
 "
         flag "--no-header" help="Do not print table header"
+        flag "-J --json" help="Output in JSON format"
     }
     cmd "set" help="Display the value of a setting in a mise.toml file" {
         after_long_help r"Examples: