diff --git a/command-signatures/json/asdf.json b/command-signatures/json/asdf.json
index fac7d213..b780b220 100644
--- a/command-signatures/json/asdf.json
+++ b/command-signatures/json/asdf.json
@@ -12,10 +12,7 @@
                     "args": [
                         {
                             "name": "name",
-                            "generators": {
-                                "script": "/bin/ls -1 ~/.asdf/repository/plugins",
-                                "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Plugin name\",priority:76,icon:\"fig://icon?type=package\"},n))"
-                            }
+                            "generatorName": "available_plugins"
                         },
                         {
                             "name": "git-url",
@@ -48,10 +45,7 @@
                     "description": "Remove plugin and package versions",
                     "args": {
                         "name": "name",
-                        "generators": {
-                            "script": "asdf plugin-list",
-                            "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Plugin name\",priority:76,icon:\"fig://icon?type=package\"},n))"
-                        }
+                        "generatorName": "installed_plugins"
                     }
                 },
                 {
@@ -85,10 +79,7 @@
             "args": [
                 {
                     "name": "name",
-                    "generators": {
-                        "script": "/bin/ls -1 ~/.asdf/repository/plugins",
-                        "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Plugin name\",priority:76,icon:\"fig://icon?type=package\"},n))"
-                    }
+                    "generatorName": "available_plugins"
                 },
                 {
                     "name": "git-url",
@@ -125,10 +116,7 @@
             "description": "Remove plugin and package versions",
             "args": {
                 "name": "name",
-                "generators": {
-                    "script": "asdf plugin-list",
-                    "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Plugin name\",priority:76,icon:\"fig://icon?type=package\"},n))"
-                }
+                "generatorName": "installed_plugins"
             }
         },
         {
@@ -160,10 +148,7 @@
             "args": [
                 {
                     "name": "name",
-                    "generators": {
-                        "script": "asdf plugin-list",
-                        "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Plugin name\",priority:76,icon:\"fig://icon?type=package\"},n))"
-                    },
+                    "generatorName": "installed_plugins",
                     "isOptional": true
                 },
                 {
@@ -174,14 +159,7 @@
                             "isDangerous": true
                         }
                     ],
-                    "generators": {
-                        "script": "_NuFrRa_e=>`asdf list-all ${e[e.length-2]}`",
-                        "cache": {
-                            "ttl": 3600000
-                        },
-                        "postProcess": "_NuFrRa_e=>e.split(`\n`).reverse().map(t=>a({name:`${t}`.trim(),description:\"Plugin version\",priority:76,icon:\"fig://icon?type=commit\"},n))",
-                        "getQueryTerm": "_NuFrRa_n=>n.includes(\"latest\")?n.slice(n.indexOf(\":\")+1):n"
-                    },
+                    "generatorName": "all_versions",
                     "isOptional": true
                 }
             ]
@@ -192,17 +170,11 @@
             "args": [
                 {
                     "name": "name",
-                    "generators": {
-                        "script": "asdf plugin-list",
-                        "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Plugin name\",priority:76,icon:\"fig://icon?type=package\"},n))"
-                    }
+                    "generatorName": "installed_plugins"
                 },
                 {
                     "name": "version",
-                    "generators": {
-                        "script": "_NuFrRa_e=>`asdf list ${e[e.length-2]}`",
-                        "postProcess": "_NuFrRa_e=>e.split(`\n`).reverse().map(t=>a({name:`${t}`.trim(),description:\"Plugin version\",priority:76,icon:\"fig://icon?type=commit\"},n))"
-                    },
+                    "generatorName": "installed_versions",
                     "isOptional": true
                 }
             ]
@@ -213,10 +185,7 @@
             "args": {
                 "name": "name",
                 "isOptional": true,
-                "generators": {
-                    "script": "asdf plugin-list",
-                    "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Plugin name\",priority:76,icon:\"fig://icon?type=package\"},n))"
-                }
+                "generatorName": "installed_plugins"
             }
         },
         {
@@ -225,17 +194,11 @@
             "args": [
                 {
                     "name": "name",
-                    "generators": {
-                        "script": "asdf plugin-list",
-                        "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Plugin name\",priority:76,icon:\"fig://icon?type=package\"},n))"
-                    }
+                    "generatorName": "installed_plugins"
                 },
                 {
                     "name": "version",
-                    "generators": {
-                        "script": "_NuFrRa_e=>`asdf list ${e[e.length-2]}`",
-                        "postProcess": "_NuFrRa_e=>e.split(`\n`).reverse().map(t=>a({name:`${t}`.trim(),description:\"Plugin version\",priority:76,icon:\"fig://icon?type=commit\"},n))"
-                    },
+                    "generatorName": "installed_versions",
                     "isOptional": true
                 }
             ]
@@ -245,10 +208,7 @@
             "description": "Display path to an executable",
             "args": {
                 "name": "command",
-                "generators": {
-                    "script": "/bin/ls -1 ~/.asdf/shims",
-                    "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Shim name\",priority:76,icon:\"fig://icon?type=command\"},n))"
-                }
+                "generatorName": "shims"
             }
         },
         {
@@ -257,17 +217,11 @@
             "args": [
                 {
                     "name": "name",
-                    "generators": {
-                        "script": "asdf plugin-list",
-                        "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Plugin name\",priority:76,icon:\"fig://icon?type=package\"},n))"
-                    }
+                    "generatorName": "installed_plugins"
                 },
                 {
                     "name": "version",
-                    "generators": {
-                        "script": "_NuFrRa_e=>`asdf list ${e[e.length-2]}`",
-                        "postProcess": "_NuFrRa_e=>e.split(`\n`).reverse().map(t=>a({name:`${t}`.trim(),description:\"Plugin version\",priority:76,icon:\"fig://icon?type=commit\"},n))"
-                    }
+                    "generatorName": "installed_versions"
                 }
             ]
         },
@@ -277,17 +231,11 @@
             "args": [
                 {
                     "name": "name",
-                    "generators": {
-                        "script": "asdf plugin-list",
-                        "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Plugin name\",priority:76,icon:\"fig://icon?type=package\"},n))"
-                    }
+                    "generatorName": "installed_plugins"
                 },
                 {
                     "name": "version",
-                    "generators": {
-                        "script": "_NuFrRa_e=>`asdf list ${e[e.length-2]}`",
-                        "postProcess": "_NuFrRa_e=>e.split(`\n`).reverse().map(t=>a({name:`${t}`.trim(),description:\"Plugin version\",priority:76,icon:\"fig://icon?type=commit\"},n))"
-                    }
+                    "generatorName": "installed_versions"
                 }
             ]
         },
@@ -297,17 +245,11 @@
             "args": [
                 {
                     "name": "name",
-                    "generators": {
-                        "script": "asdf plugin-list",
-                        "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Plugin name\",priority:76,icon:\"fig://icon?type=package\"},n))"
-                    }
+                    "generatorName": "installed_plugins"
                 },
                 {
                     "name": "version",
-                    "generators": {
-                        "script": "_NuFrRa_e=>`asdf list ${e[e.length-2]}`",
-                        "postProcess": "_NuFrRa_e=>e.split(`\n`).reverse().map(t=>a({name:`${t}`.trim(),description:\"Plugin version\",priority:76,icon:\"fig://icon?type=commit\"},n))"
-                    }
+                    "generatorName": "installed_versions"
                 }
             ]
         },
@@ -317,17 +259,11 @@
             "args": [
                 {
                     "name": "name",
-                    "generators": {
-                        "script": "asdf plugin-list",
-                        "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Plugin name\",priority:76,icon:\"fig://icon?type=package\"},n))"
-                    }
+                    "generatorName": "installed_plugins"
                 },
                 {
                     "name": "version",
-                    "generators": {
-                        "script": "_NuFrRa_e=>`asdf list ${e[e.length-2]}`",
-                        "postProcess": "_NuFrRa_e=>e.split(`\n`).reverse().map(t=>a({name:`${t}`.trim(),description:\"Plugin version\",priority:76,icon:\"fig://icon?type=commit\"},n))"
-                    },
+                    "generatorName": "installed_versions",
                     "isOptional": true
                 }
             ]
@@ -337,10 +273,7 @@
             "description": "List installed versions of a package",
             "args": {
                 "name": "name",
-                "generators": {
-                    "script": "asdf plugin-list",
-                    "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Plugin name\",priority:76,icon:\"fig://icon?type=package\"},n))"
-                }
+                "generatorName": "installed_plugins"
             },
             "subcommands": [
                 {
@@ -350,17 +283,11 @@
                     "args": [
                         {
                             "name": "name",
-                            "generators": {
-                                "script": "asdf plugin-list",
-                                "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Plugin name\",priority:76,icon:\"fig://icon?type=package\"},n))"
-                            }
+                            "generatorName": "installed_plugins"
                         },
                         {
                             "name": "version",
-                            "generators": {
-                                "script": "_NuFrRa_e=>`asdf list ${e[e.length-2]}`",
-                                "postProcess": "_NuFrRa_e=>e.split(`\n`).reverse().map(t=>a({name:`${t}`.trim(),description:\"Plugin version\",priority:76,icon:\"fig://icon?type=commit\"},n))"
-                            },
+                            "generatorName": "all_versions",
                             "isOptional": true
                         }
                     ]
@@ -373,17 +300,11 @@
             "args": [
                 {
                     "name": "name",
-                    "generators": {
-                        "script": "asdf plugin-list",
-                        "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Plugin name\",priority:76,icon:\"fig://icon?type=package\"},n))"
-                    }
+                    "generatorName": "installed_plugins"
                 },
                 {
                     "name": "version",
-                    "generators": {
-                        "script": "_NuFrRa_e=>`asdf list ${e[e.length-2]}`",
-                        "postProcess": "_NuFrRa_e=>e.split(`\n`).reverse().map(t=>a({name:`${t}`.trim(),description:\"Plugin version\",priority:76,icon:\"fig://icon?type=commit\"},n))"
-                    },
+                    "generatorName": "all_versions",
                     "isOptional": true
                 }
             ]
@@ -394,17 +315,11 @@
             "args": [
                 {
                     "name": "name",
-                    "generators": {
-                        "script": "asdf plugin-list",
-                        "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Plugin name\",priority:76,icon:\"fig://icon?type=package\"},n))"
-                    }
+                    "generatorName": "installed_plugins"
                 },
                 {
                     "name": "version",
-                    "generators": {
-                        "script": "_NuFrRa_e=>`asdf list ${e[e.length-2]}`",
-                        "postProcess": "_NuFrRa_e=>e.split(`\n`).reverse().map(t=>a({name:`${t}`.trim(),description:\"Plugin version\",priority:76,icon:\"fig://icon?type=commit\"},n))"
-                    },
+                    "generatorName": "installed_versions",
                     "isOptional": true
                 }
             ]
@@ -414,10 +329,7 @@
             "description": "Executes the command shim for the current version",
             "args": {
                 "name": "command",
-                "generators": {
-                    "script": "/bin/ls -1 ~/.asdf/shims",
-                    "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Shim name\",priority:76,icon:\"fig://icon?type=command\"},n))"
-                },
+                "generatorName": "shims",
                 "isCommand": true
             }
         },
@@ -426,10 +338,7 @@
             "description": "Prints or runs an executable under a command environment",
             "args": {
                 "name": "command",
-                "generators": {
-                    "script": "/bin/ls -1 ~/.asdf/shims",
-                    "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Shim name\",priority:76,icon:\"fig://icon?type=command\"},n))"
-                }
+                "generatorName": "shims"
             }
         },
         {
@@ -442,18 +351,12 @@
             "args": [
                 {
                     "name": "name",
-                    "generators": {
-                        "script": "asdf plugin-list",
-                        "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Plugin name\",priority:76,icon:\"fig://icon?type=package\"},n))"
-                    },
+                    "generatorName": "installed_plugins",
                     "isOptional": true
                 },
                 {
                     "name": "version",
-                    "generators": {
-                        "script": "_NuFrRa_e=>`asdf list ${e[e.length-2]}`",
-                        "postProcess": "_NuFrRa_e=>e.split(`\n`).reverse().map(t=>a({name:`${t}`.trim(),description:\"Plugin version\",priority:76,icon:\"fig://icon?type=commit\"},n))"
-                    },
+                    "generatorName": "installed_versions",
                     "isOptional": true
                 }
             ]
@@ -467,10 +370,7 @@
                     "description": "List for given command which plugins and versions provide it",
                     "args": {
                         "name": "command",
-                        "generators": {
-                            "script": "/bin/ls -1 ~/.asdf/shims",
-                            "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Shim name\",priority:76,icon:\"fig://icon?type=command\"},n))"
-                        }
+                        "generatorName": "shims"
                     }
                 }
             ]
@@ -480,10 +380,7 @@
             "description": "List for given command which plugins and versions provide it",
             "args": {
                 "name": "command",
-                "generators": {
-                    "script": "/bin/ls -1 ~/.asdf/shims",
-                    "postProcess": "_NuFrRa_i=>i.split(`\n`).map(e=>a({name:`${e}`,description:\"Shim name\",priority:76,icon:\"fig://icon?type=command\"},n))"
-                }
+                "generatorName": "shims"
             }
         },
         {
diff --git a/command-signatures/src/generators/asdf.rs b/command-signatures/src/generators/asdf.rs
new file mode 100644
index 00000000..bd9a2552
--- /dev/null
+++ b/command-signatures/src/generators/asdf.rs
@@ -0,0 +1,208 @@
+use warp_completion_metadata::{
+    CommandBuilder, CommandSignatureGenerators, Generator, GeneratorResultsCollector, Suggestion,
+};
+
+/// Extracts the plugin name from the token list.
+///
+/// When there is trailing whitespace the last token is the plugin name (the user is completing
+/// a new argument). Without trailing whitespace the last token is a partial version string and
+/// the plugin name is the token before it.
+fn plugin_from_tokens<'a>(tokens: &'a [&str], has_trailing_whitespace: bool) -> Option<&'a str> {
+    if has_trailing_whitespace {
+        tokens.last().copied()
+    } else {
+        tokens
+            .len()
+            .checked_sub(2)
+            .and_then(|i| tokens.get(i))
+            .copied()
+    }
+}
+
+pub fn generator() -> CommandSignatureGenerators {
+    CommandSignatureGenerators::new("asdf")
+        .add_generator(
+            "available_plugins",
+            Generator::script(
+                CommandBuilder::single_command("asdf plugin list all"),
+                |output| {
+                    output
+                        .trim()
+                        .lines()
+                        .filter_map(|line| {
+                            let name = line.split_whitespace().next()?;
+                            if name.is_empty() {
+                                None
+                            } else {
+                                Some(Suggestion::with_description(name, "Plugin"))
+                            }
+                        })
+                        .collect_unordered_results()
+                },
+            ),
+        )
+        .add_generator(
+            "installed_plugins",
+            Generator::script(
+                CommandBuilder::single_command("asdf plugin list"),
+                |output| {
+                    output
+                        .trim()
+                        .lines()
+                        .filter(|line| !line.is_empty())
+                        .map(|line| Suggestion::with_description(line.trim(), "Installed plugin"))
+                        .collect_unordered_results()
+                },
+            ),
+        )
+        .add_generator(
+            "installed_versions",
+            Generator::command_from_tokens(
+                |tokens, has_trailing_whitespace, _| match plugin_from_tokens(
+                    tokens,
+                    has_trailing_whitespace,
+                ) {
+                    Some(plugin) => CommandBuilder::single_command(format!("asdf list {plugin}")),
+                    None => CommandBuilder::single_command(""),
+                },
+                |output| {
+                    output
+                        .trim()
+                        .lines()
+                        .filter(|line| !line.is_empty())
+                        .map(|line| {
+                            let version = line.trim().trim_start_matches('*').trim();
+                            Suggestion::with_description(version, "Installed version")
+                        })
+                        .collect_unordered_results()
+                },
+            ),
+        )
+        .add_generator(
+            "all_versions",
+            Generator::command_from_tokens(
+                |tokens, has_trailing_whitespace, _| match plugin_from_tokens(
+                    tokens,
+                    has_trailing_whitespace,
+                ) {
+                    Some(plugin) => {
+                        CommandBuilder::single_command(format!("asdf list all {plugin}"))
+                    }
+                    None => CommandBuilder::single_command(""),
+                },
+                |output| {
+                    output
+                        .trim()
+                        .lines()
+                        .rev()
+                        .filter(|line| !line.is_empty())
+                        .map(|line| Suggestion::with_description(line.trim(), "Version"))
+                        .collect_ordered_results()
+                },
+            ),
+        )
+        .add_generator(
+            "shims",
+            Generator::script(
+                CommandBuilder::single_command("ls -1 \"${ASDF_DATA_DIR:-$HOME/.asdf}/shims\""),
+                |output| {
+                    output
+                        .trim()
+                        .lines()
+                        .filter(|line| !line.is_empty())
+                        .map(|line| Suggestion::with_description(line.trim(), "Shim"))
+                        .collect_unordered_results()
+                },
+            ),
+        )
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_available_plugins_post_process() {
+        let gen = generator();
+        let generator = gen
+            .generators()
+            .iter()
+            .find(|(name, _)| name.0 == "available_plugins")
+            .unwrap()
+            .1;
+
+        let output = "nodejs        https://github.com/asdf-vm/asdf-nodejs.git\npython        https://github.com/asdf-community/asdf-python.git\n";
+        let results = generator.on_complete(output);
+        assert_eq!(results.suggestions.len(), 2);
+        assert_eq!(results.suggestions[0].exact_string, "nodejs");
+        assert_eq!(results.suggestions[1].exact_string, "python");
+    }
+
+    #[test]
+    fn test_installed_plugins_post_process() {
+        let gen = generator();
+        let generator = gen
+            .generators()
+            .iter()
+            .find(|(name, _)| name.0 == "installed_plugins")
+            .unwrap()
+            .1;
+
+        let output = "nodejs\npython\n";
+        let results = generator.on_complete(output);
+        assert_eq!(results.suggestions.len(), 2);
+        assert_eq!(results.suggestions[0].exact_string, "nodejs");
+        assert_eq!(results.suggestions[1].exact_string, "python");
+    }
+
+    #[test]
+    fn test_installed_versions_post_process() {
+        let gen = generator();
+        let generator = gen
+            .generators()
+            .iter()
+            .find(|(name, _)| name.0 == "installed_versions")
+            .unwrap()
+            .1;
+
+        let output = "  18.20.0\n *20.11.1\n  22.0.0\n";
+        let results = generator.on_complete(output);
+        assert_eq!(results.suggestions.len(), 3);
+        assert_eq!(results.suggestions[0].exact_string, "18.20.0");
+        assert_eq!(results.suggestions[1].exact_string, "20.11.1");
+        assert_eq!(results.suggestions[2].exact_string, "22.0.0");
+    }
+
+    #[test]
+    fn test_all_versions_post_process() {
+        let gen = generator();
+        let generator = gen
+            .generators()
+            .iter()
+            .find(|(name, _)| name.0 == "all_versions")
+            .unwrap()
+            .1;
+
+        let output = "18.0.0\n20.0.0\n22.0.0\n";
+        let results = generator.on_complete(output);
+        // Reversed so latest appears first
+        assert_eq!(results.suggestions.len(), 3);
+        assert_eq!(results.suggestions[0].exact_string, "22.0.0");
+        assert_eq!(results.suggestions[1].exact_string, "20.0.0");
+        assert_eq!(results.suggestions[2].exact_string, "18.0.0");
+    }
+
+    #[test]
+    fn test_plugin_from_tokens_with_trailing_whitespace() {
+        // "asdf global nodejs " -> tokens = ["asdf", "global", "nodejs"], trailing = true
+        let tokens = vec!["asdf", "global", "nodejs"];
+        assert_eq!(plugin_from_tokens(&tokens, true), Some("nodejs"));
+    }
+
+    #[test]
+    fn test_plugin_from_tokens_without_trailing_whitespace() {
+        // "asdf global nodejs 20" -> tokens = ["asdf", "global", "nodejs", "20"], trailing = false
+        let tokens = vec!["asdf", "global", "nodejs", "20"];
+        assert_eq!(plugin_from_tokens(&tokens, false), Some("nodejs"));
+    }
+}
diff --git a/command-signatures/src/generators/mod.rs b/command-signatures/src/generators/mod.rs
index b6100244..8b5cec96 100644
--- a/command-signatures/src/generators/mod.rs
+++ b/command-signatures/src/generators/mod.rs
@@ -6,6 +6,7 @@ mod common;
 
 /// Used for debian-based package managers like apt-get, aptitude, etc.
 mod apt;
+mod asdf;
 mod bazel;
 mod bosh;
 mod brew;
@@ -52,6 +53,7 @@ mod tmuxinator;
 /// Returns dynamic command signature data, keyed on the command the data corresponds to.
 pub fn dynamic_command_signature_data() -> HashMap<String, DynamicCompletionData> {
     let command_signature_generators = [
+        asdf::generator(),
         apt::apt_get_generators(),
         apt::aptitude_generators(),
         bosh::generator(),