diff --git a/plugins/motherduck/access_token.go b/plugins/motherduck/access_token.go
new file mode 100644
index 00000000..234f15e3
--- /dev/null
+++ b/plugins/motherduck/access_token.go
@@ -0,0 +1,40 @@
+package motherduck
+
+import (
+	"github.com/1Password/shell-plugins/sdk"
+	"github.com/1Password/shell-plugins/sdk/importer"
+	"github.com/1Password/shell-plugins/sdk/provision"
+	"github.com/1Password/shell-plugins/sdk/schema"
+	"github.com/1Password/shell-plugins/sdk/schema/credname"
+	"github.com/1Password/shell-plugins/sdk/schema/fieldname"
+)
+
+func AccessToken() schema.CredentialType {
+	return schema.CredentialType{
+		Name:          credname.AccessToken,
+		DocsURL:       sdk.URL("https://motherduck.com/docs/key-tasks/authenticating-and-connecting-to-motherduck/authenticating-to-motherduck/#authentication-using-an-access-token"),
+		ManagementURL: sdk.URL("https://app.motherduck.com/settings/tokens"),
+		Fields: []schema.CredentialField{
+			{
+				Name:                fieldname.Token,
+				MarkdownDescription: "Token used to authenticate to MotherDuck.",
+				Secret:              true,
+				Composition: &schema.ValueComposition{
+					Charset: schema.Charset{
+						Uppercase: true,
+						Lowercase: true,
+						Digits:    true,
+						Specific:  []rune{'.', '_'},
+					},
+				},
+			},
+		},
+		DefaultProvisioner: provision.EnvVars(defaultEnvVarMapping),
+		Importer: importer.TryAll(
+			importer.TryEnvVarPair(defaultEnvVarMapping),
+		)}
+}
+
+var defaultEnvVarMapping = map[string]sdk.FieldName{
+	"motherduck_token": fieldname.Token,
+}
diff --git a/plugins/motherduck/access_token_test.go b/plugins/motherduck/access_token_test.go
new file mode 100644
index 00000000..1c2d9488
--- /dev/null
+++ b/plugins/motherduck/access_token_test.go
@@ -0,0 +1,41 @@
+package motherduck
+
+import (
+	"testing"
+
+	"github.com/1Password/shell-plugins/sdk"
+	"github.com/1Password/shell-plugins/sdk/plugintest"
+	"github.com/1Password/shell-plugins/sdk/schema/fieldname"
+)
+
+func TestAccessTokenProvisioner(t *testing.T) {
+	plugintest.TestProvisioner(t, AccessToken().DefaultProvisioner, map[string]plugintest.ProvisionCase{
+		"default": {
+			ItemFields: map[sdk.FieldName]string{ // TODO: Check if this is correct
+				fieldname.Token: "TERAkHVPg65C6UGDw42llLlgPtZhBbafxnpqs74fjyuKnDpSt7TZNODw3catnivaruR09REDcNIwystkLMlRw5foxRjvytBFmkk0t0x9iHqY0MBY40Ltbcdw8fvt3OzsCgxmbh89v0XIWrRiwCfALA1dbqWDLaatAZWOLQhJmYcggQR6YBVoKM9H7XBrBjDtP7YJOoU2Z7rc7KWgTTqS9vyCtLx7GDSBitWQLvUYuWzvgh94qk1Wt16oua34jzDtosd59ahNlvA1vEqPtkYqC5mNbDbWqcunwelka4tI4uuEfyojeXowBzkv6izjT48J3usTPIIqTFMYgJnMwUtV6n8UgeuLumEsKd86HVLywapqO37zfNrlrVLzjHSv0rGA2NjDgBAueK2clqEXAMPLE",
+			},
+			ExpectedOutput: sdk.ProvisionOutput{
+				Environment: map[string]string{
+					"MOTHERDUCK_TOKEN": "TERAkHVPg65C6UGDw42llLlgPtZhBbafxnpqs74fjyuKnDpSt7TZNODw3catnivaruR09REDcNIwystkLMlRw5foxRjvytBFmkk0t0x9iHqY0MBY40Ltbcdw8fvt3OzsCgxmbh89v0XIWrRiwCfALA1dbqWDLaatAZWOLQhJmYcggQR6YBVoKM9H7XBrBjDtP7YJOoU2Z7rc7KWgTTqS9vyCtLx7GDSBitWQLvUYuWzvgh94qk1Wt16oua34jzDtosd59ahNlvA1vEqPtkYqC5mNbDbWqcunwelka4tI4uuEfyojeXowBzkv6izjT48J3usTPIIqTFMYgJnMwUtV6n8UgeuLumEsKd86HVLywapqO37zfNrlrVLzjHSv0rGA2NjDgBAueK2clqEXAMPLE",
+				},
+			},
+		},
+	})
+}
+
+func TestAccessTokenImporter(t *testing.T) {
+	plugintest.TestImporter(t, AccessToken().Importer, map[string]plugintest.ImportCase{
+		"environment": {
+			Environment: map[string]string{ // TODO: Check if this is correct
+				"MOTHERDUCK_TOKEN": "TERAkHVPg65C6UGDw42llLlgPtZhBbafxnpqs74fjyuKnDpSt7TZNODw3catnivaruR09REDcNIwystkLMlRw5foxRjvytBFmkk0t0x9iHqY0MBY40Ltbcdw8fvt3OzsCgxmbh89v0XIWrRiwCfALA1dbqWDLaatAZWOLQhJmYcggQR6YBVoKM9H7XBrBjDtP7YJOoU2Z7rc7KWgTTqS9vyCtLx7GDSBitWQLvUYuWzvgh94qk1Wt16oua34jzDtosd59ahNlvA1vEqPtkYqC5mNbDbWqcunwelka4tI4uuEfyojeXowBzkv6izjT48J3usTPIIqTFMYgJnMwUtV6n8UgeuLumEsKd86HVLywapqO37zfNrlrVLzjHSv0rGA2NjDgBAueK2clqEXAMPLE",
+			},
+			ExpectedCandidates: []sdk.ImportCandidate{
+				{
+					Fields: map[sdk.FieldName]string{
+						fieldname.Token: "TERAkHVPg65C6UGDw42llLlgPtZhBbafxnpqs74fjyuKnDpSt7TZNODw3catnivaruR09REDcNIwystkLMlRw5foxRjvytBFmkk0t0x9iHqY0MBY40Ltbcdw8fvt3OzsCgxmbh89v0XIWrRiwCfALA1dbqWDLaatAZWOLQhJmYcggQR6YBVoKM9H7XBrBjDtP7YJOoU2Z7rc7KWgTTqS9vyCtLx7GDSBitWQLvUYuWzvgh94qk1Wt16oua34jzDtosd59ahNlvA1vEqPtkYqC5mNbDbWqcunwelka4tI4uuEfyojeXowBzkv6izjT48J3usTPIIqTFMYgJnMwUtV6n8UgeuLumEsKd86HVLywapqO37zfNrlrVLzjHSv0rGA2NjDgBAueK2clqEXAMPLE",
+					},
+				},
+			},
+		},
+	})
+}
diff --git a/plugins/motherduck/duckdb.go b/plugins/motherduck/duckdb.go
new file mode 100644
index 00000000..85618fa1
--- /dev/null
+++ b/plugins/motherduck/duckdb.go
@@ -0,0 +1,52 @@
+package motherduck
+
+import (
+	"os"
+	"strings"
+
+	"github.com/1Password/shell-plugins/sdk"
+	"github.com/1Password/shell-plugins/sdk/needsauth"
+	"github.com/1Password/shell-plugins/sdk/schema"
+	"github.com/1Password/shell-plugins/sdk/schema/credname"
+)
+
+// The plugin is only invoked if:
+//  - environment variable motherduck_token is not set
+//  - connection string contains 'md:' and does not contain 'motherduck_token='
+func ForMotherDuckButTokenNotSet() sdk.NeedsAuthentication {
+    return func(in sdk.NeedsAuthenticationInput) bool {
+        // If environment variables are already set, we don't need to authenticate
+        if envValue := os.Getenv("motherduck_token"); envValue != "" {
+            return false
+        }
+        
+        // Otherwise, check if the command uses MotherDuck
+        if len(in.CommandArgs) == 0 {
+            return false
+        }
+
+        for _, arg := range in.CommandArgs {
+            if strings.Contains(arg, "md:") && !strings.Contains(arg, "motherduck_token=") {
+                return true
+            }
+        }
+        return false
+    }
+}
+
+func DuckDBCLI() schema.Executable {
+	return schema.Executable{
+		Name:    "DuckDB CLI",
+		Runs:    []string{"duckdb"},
+		DocsURL: sdk.URL("https://duckdb.org/docs/api/cli/overview"),
+		NeedsAuth: needsauth.IfAll(
+			needsauth.NotForHelpOrVersion(),
+			ForMotherDuckButTokenNotSet(),
+		),
+		Uses: []schema.CredentialUsage{
+			{
+				Name: credname.AccessToken,
+			},
+		},
+	}
+}
diff --git a/plugins/motherduck/plugin.go b/plugins/motherduck/plugin.go
new file mode 100644
index 00000000..8de964c6
--- /dev/null
+++ b/plugins/motherduck/plugin.go
@@ -0,0 +1,22 @@
+package motherduck
+
+import (
+	"github.com/1Password/shell-plugins/sdk"
+	"github.com/1Password/shell-plugins/sdk/schema"
+)
+
+func New() schema.Plugin {
+	return schema.Plugin{
+		Name: "motherduck",
+		Platform: schema.PlatformInfo{
+			Name:     "MotherDuck",
+			Homepage: sdk.URL("https://motherduck.com"),
+		},
+		Credentials: []schema.CredentialType{
+			AccessToken(),
+		},
+		Executables: []schema.Executable{
+			DuckDBCLI(),
+		},
+	}
+}