diff --git a/crates/rust-analyzer/src/config.rs b/crates/rust-analyzer/src/config.rs
index 99a29b43d2..e71513034c 100644
--- a/crates/rust-analyzer/src/config.rs
+++ b/crates/rust-analyzer/src/config.rs
@@ -25,9 +25,12 @@ use serde::{de::DeserializeOwned, Deserialize};
 use vfs::AbsPathBuf;
 
 use crate::{
-    caps::completion_item_edit_resolve, diagnostics::DiagnosticsMapConfig,
-    line_index::OffsetEncoding, lsp_ext::supports_utf8, lsp_ext::WorkspaceSymbolSearchKind,
+    caps::completion_item_edit_resolve,
+    diagnostics::DiagnosticsMapConfig,
+    line_index::OffsetEncoding,
+    lsp_ext::supports_utf8,
     lsp_ext::WorkspaceSymbolSearchScope,
+    lsp_ext::{self, WorkspaceSymbolSearchKind},
 };
 
 // Defines the server-side configuration of the rust-analyzer. We generate
@@ -221,6 +224,9 @@ config_data! {
         /// Whether to show `References` lens. Only applies when
         /// `#rust-analyzer.lens.enable#` is set.
         lens_references: bool = "false",
+        /// Internal config: use custom client-side commands even when the
+        /// client doesn't set the corresponding capability.
+        lens_forceCustomCommands: bool = "true",
 
         /// Disable project auto-discovery in favor of explicitly specified set
         /// of projects.
@@ -405,6 +411,14 @@ pub struct WorkspaceSymbolConfig {
     pub search_kind: WorkspaceSymbolSearchKind,
 }
 
+pub struct ClientCommandsConfig {
+    pub run_single: bool,
+    pub debug_single: bool,
+    pub show_reference: bool,
+    pub goto_location: bool,
+    pub trigger_parameter_hints: bool,
+}
+
 impl Config {
     pub fn new(root_path: AbsPathBuf, caps: ClientCapabilities) -> Self {
         Config {
@@ -858,6 +872,24 @@ impl Config {
             false
         )
     }
+    pub fn client_commands(&self) -> ClientCommandsConfig {
+        let commands =
+            try_or!(self.caps.experimental.as_ref()?.get("commands")?, &serde_json::Value::Null);
+        let commands: Option<lsp_ext::ClientCommandOptions> =
+            serde_json::from_value(commands.clone()).ok();
+        let force = commands.is_none() && self.data.lens_forceCustomCommands;
+        let commands = commands.map(|it| it.commands).unwrap_or_default();
+
+        let get = |name: &str| commands.iter().any(|it| it == name) || force;
+
+        ClientCommandsConfig {
+            run_single: get("rust-analyzer.runSingle"),
+            debug_single: get("rust-analyzer.debugSingle"),
+            show_reference: get("rust-analyzer.showReferences"),
+            goto_location: get("rust-analyzer.gotoLocation"),
+            trigger_parameter_hints: get("editor.action.triggerParameterHints"),
+        }
+    }
 
     pub fn highlight_related(&self) -> HighlightRelatedConfig {
         HighlightRelatedConfig {
diff --git a/crates/rust-analyzer/src/handlers.rs b/crates/rust-analyzer/src/handlers.rs
index 949a77a4e8..c9a25e086a 100644
--- a/crates/rust-analyzer/src/handlers.rs
+++ b/crates/rust-analyzer/src/handlers.rs
@@ -768,13 +768,8 @@ pub(crate) fn handle_completion(
     };
     let line_index = snap.file_line_index(position.file_id)?;
 
-    let items = to_proto::completion_items(
-        snap.config.insert_replace_support(),
-        completion_config.enable_imports_on_the_fly,
-        &line_index,
-        text_document_position,
-        items,
-    );
+    let items =
+        to_proto::completion_items(&snap.config, &line_index, text_document_position, items);
 
     let completion_list = lsp_types::CompletionList { is_incomplete: true, items };
     Ok(Some(completion_list.into()))
@@ -1503,7 +1498,7 @@ fn show_impl_command_link(
     snap: &GlobalStateSnapshot,
     position: &FilePosition,
 ) -> Option<lsp_ext::CommandLinkGroup> {
-    if snap.config.hover_actions().implementations {
+    if snap.config.hover_actions().implementations && snap.config.client_commands().show_reference {
         if let Some(nav_data) = snap.analysis.goto_implementation(*position).unwrap_or(None) {
             let uri = to_proto::url(snap, position.file_id);
             let line_index = snap.file_line_index(position.file_id).ok()?;
@@ -1529,7 +1524,7 @@ fn show_ref_command_link(
     snap: &GlobalStateSnapshot,
     position: &FilePosition,
 ) -> Option<lsp_ext::CommandLinkGroup> {
-    if snap.config.hover_actions().references {
+    if snap.config.hover_actions().references && snap.config.client_commands().show_reference {
         if let Some(ref_search_res) = snap.analysis.find_all_refs(*position, None).unwrap_or(None) {
             let uri = to_proto::url(snap, position.file_id);
             let line_index = snap.file_line_index(position.file_id).ok()?;
@@ -1559,35 +1554,47 @@ fn runnable_action_links(
     snap: &GlobalStateSnapshot,
     runnable: Runnable,
 ) -> Option<lsp_ext::CommandLinkGroup> {
-    let cargo_spec = CargoTargetSpec::for_file(snap, runnable.nav.file_id).ok()?;
     let hover_actions_config = snap.config.hover_actions();
-    if !hover_actions_config.runnable() || should_skip_target(&runnable, cargo_spec.as_ref()) {
+    if !hover_actions_config.runnable() {
+        return None;
+    }
+
+    let cargo_spec = CargoTargetSpec::for_file(snap, runnable.nav.file_id).ok()?;
+    if should_skip_target(&runnable, cargo_spec.as_ref()) {
+        return None;
+    }
+
+    let client_commands_config = snap.config.client_commands();
+    if !(client_commands_config.run_single || client_commands_config.debug_single) {
         return None;
     }
 
     let title = runnable.title();
-    to_proto::runnable(snap, runnable).ok().map(|r| {
-        let mut group = lsp_ext::CommandLinkGroup::default();
+    let r = to_proto::runnable(snap, runnable).ok()?;
 
-        if hover_actions_config.run {
-            let run_command = to_proto::command::run_single(&r, &title);
-            group.commands.push(to_command_link(run_command, r.label.clone()));
-        }
+    let mut group = lsp_ext::CommandLinkGroup::default();
 
-        if hover_actions_config.debug {
-            let dbg_command = to_proto::command::debug_single(&r);
-            group.commands.push(to_command_link(dbg_command, r.label));
-        }
+    if hover_actions_config.run && client_commands_config.run_single {
+        let run_command = to_proto::command::run_single(&r, &title);
+        group.commands.push(to_command_link(run_command, r.label.clone()));
+    }
 
-        group
-    })
+    if hover_actions_config.debug && client_commands_config.debug_single {
+        let dbg_command = to_proto::command::debug_single(&r);
+        group.commands.push(to_command_link(dbg_command, r.label));
+    }
+
+    Some(group)
 }
 
 fn goto_type_action_links(
     snap: &GlobalStateSnapshot,
     nav_targets: &[HoverGotoTypeData],
 ) -> Option<lsp_ext::CommandLinkGroup> {
-    if !snap.config.hover_actions().goto_type_def || nav_targets.is_empty() {
+    if !snap.config.hover_actions().goto_type_def
+        || nav_targets.is_empty()
+        || !snap.config.client_commands().goto_location
+    {
         return None;
     }
 
diff --git a/crates/rust-analyzer/src/lsp_ext.rs b/crates/rust-analyzer/src/lsp_ext.rs
index d697ec44d1..521691d5ec 100644
--- a/crates/rust-analyzer/src/lsp_ext.rs
+++ b/crates/rust-analyzer/src/lsp_ext.rs
@@ -523,3 +523,8 @@ pub struct CompletionResolveData {
     pub full_import_path: String,
     pub imported_name: String,
 }
+
+#[derive(Debug, Deserialize, Default)]
+pub struct ClientCommandOptions {
+    pub commands: Vec<String>,
+}
diff --git a/crates/rust-analyzer/src/to_proto.rs b/crates/rust-analyzer/src/to_proto.rs
index 8bd3f7a9eb..906259b098 100644
--- a/crates/rust-analyzer/src/to_proto.rs
+++ b/crates/rust-analyzer/src/to_proto.rs
@@ -18,6 +18,7 @@ use vfs::AbsPath;
 
 use crate::{
     cargo_target_spec::CargoTargetSpec,
+    config::Config,
     global_state::GlobalStateSnapshot,
     line_index::{LineEndings, LineIndex, OffsetEncoding},
     lsp_ext, semantic_tokens, Result,
@@ -190,8 +191,7 @@ pub(crate) fn snippet_text_edit_vec(
 }
 
 pub(crate) fn completion_items(
-    insert_replace_support: bool,
-    enable_imports_on_the_fly: bool,
+    config: &Config,
     line_index: &LineIndex,
     tdpp: lsp_types::TextDocumentPositionParams,
     items: Vec<CompletionItem>,
@@ -199,23 +199,14 @@ pub(crate) fn completion_items(
     let max_relevance = items.iter().map(|it| it.relevance().score()).max().unwrap_or_default();
     let mut res = Vec::with_capacity(items.len());
     for item in items {
-        completion_item(
-            &mut res,
-            insert_replace_support,
-            enable_imports_on_the_fly,
-            line_index,
-            &tdpp,
-            max_relevance,
-            item,
-        )
+        completion_item(&mut res, config, line_index, &tdpp, max_relevance, item)
     }
     res
 }
 
 fn completion_item(
     acc: &mut Vec<lsp_types::CompletionItem>,
-    insert_replace_support: bool,
-    enable_imports_on_the_fly: bool,
+    config: &Config,
     line_index: &LineIndex,
     tdpp: &lsp_types::TextDocumentPositionParams,
     max_relevance: u32,
@@ -230,7 +221,7 @@ fn completion_item(
         let source_range = item.source_range();
         for indel in item.text_edit().iter() {
             if indel.delete.contains_range(source_range) {
-                let insert_replace_support = insert_replace_support.then(|| tdpp.position);
+                let insert_replace_support = config.insert_replace_support().then(|| tdpp.position);
                 text_edit = Some(if indel.delete == source_range {
                     self::completion_text_edit(line_index, insert_replace_support, indel.clone())
                 } else {
@@ -269,14 +260,14 @@ fn completion_item(
         lsp_item.tags = Some(vec![lsp_types::CompletionItemTag::Deprecated])
     }
 
-    if item.trigger_call_info() {
+    if item.trigger_call_info() && config.client_commands().trigger_parameter_hints {
         lsp_item.command = Some(command::trigger_parameter_hints());
     }
 
     if item.is_snippet() {
         lsp_item.insert_text_format = Some(lsp_types::InsertTextFormat::Snippet);
     }
-    if enable_imports_on_the_fly {
+    if config.completion().enable_imports_on_the_fly {
         if let Some(import_edit) = item.import_to_add() {
             let import_path = &import_edit.import.import_path;
             if let Some(import_name) = import_path.segments().last() {
@@ -992,6 +983,7 @@ pub(crate) fn code_lens(
     snap: &GlobalStateSnapshot,
     annotation: Annotation,
 ) -> Result<()> {
+    let client_commands_config = snap.config.client_commands();
     match annotation.kind {
         AnnotationKind::Runnable(run) => {
             let line_index = snap.file_line_index(run.nav.file_id)?;
@@ -1008,7 +1000,7 @@ pub(crate) fn code_lens(
             let r = runnable(snap, run)?;
 
             let lens_config = snap.config.lens();
-            if lens_config.run {
+            if lens_config.run && client_commands_config.run_single {
                 let command = command::run_single(&r, &title);
                 acc.push(lsp_types::CodeLens {
                     range: annotation_range,
@@ -1016,7 +1008,7 @@ pub(crate) fn code_lens(
                     data: None,
                 })
             }
-            if lens_config.debug && can_debug {
+            if lens_config.debug && can_debug && client_commands_config.debug_single {
                 let command = command::debug_single(&r);
                 acc.push(lsp_types::CodeLens {
                     range: annotation_range,
@@ -1026,6 +1018,9 @@ pub(crate) fn code_lens(
             }
         }
         AnnotationKind::HasImpls { position: file_position, data } => {
+            if !client_commands_config.show_reference {
+                return Ok(());
+            }
             let line_index = snap.file_line_index(file_position.file_id)?;
             let annotation_range = range(&line_index, annotation.range);
             let url = url(snap, file_position.file_id);
@@ -1069,6 +1064,9 @@ pub(crate) fn code_lens(
             })
         }
         AnnotationKind::HasReferences { position: file_position, data } => {
+            if !client_commands_config.show_reference {
+                return Ok(());
+            }
             let line_index = snap.file_line_index(file_position.file_id)?;
             let annotation_range = range(&line_index, annotation.range);
             let url = url(snap, file_position.file_id);
@@ -1207,88 +1205,9 @@ mod tests {
     use std::sync::Arc;
 
     use ide::Analysis;
-    use ide_db::helpers::{
-        insert_use::{ImportGranularity, InsertUseConfig, PrefixKind},
-        SnippetCap,
-    };
 
     use super::*;
 
-    #[test]
-    fn test_completion_with_ref() {
-        let fixture = r#"
-        struct Foo;
-        fn foo(arg: &Foo) {}
-        fn main() {
-            let arg = Foo;
-            foo($0)
-        }"#;
-
-        let (offset, text) = test_utils::extract_offset(fixture);
-        let line_index = LineIndex {
-            index: Arc::new(ide::LineIndex::new(&text)),
-            endings: LineEndings::Unix,
-            encoding: OffsetEncoding::Utf16,
-        };
-        let (analysis, file_id) = Analysis::from_single_file(text);
-
-        let file_position = ide_db::base_db::FilePosition { file_id, offset };
-        let mut items = analysis
-            .completions(
-                &ide::CompletionConfig {
-                    enable_postfix_completions: true,
-                    enable_imports_on_the_fly: true,
-                    enable_self_on_the_fly: true,
-                    add_call_parenthesis: true,
-                    add_call_argument_snippets: true,
-                    snippet_cap: SnippetCap::new(true),
-                    insert_use: InsertUseConfig {
-                        granularity: ImportGranularity::Item,
-                        prefix_kind: PrefixKind::Plain,
-                        enforce_granularity: true,
-                        group: true,
-                        skip_glob_imports: true,
-                    },
-                },
-                file_position,
-            )
-            .unwrap()
-            .unwrap();
-        items.retain(|c| c.label().ends_with("arg"));
-        let items = completion_items(
-            false,
-            false,
-            &line_index,
-            lsp_types::TextDocumentPositionParams {
-                text_document: lsp_types::TextDocumentIdentifier {
-                    uri: "file://main.rs".parse().unwrap(),
-                },
-                position: position(&line_index, file_position.offset),
-            },
-            items,
-        );
-        let items: Vec<(String, Option<String>)> =
-            items.into_iter().map(|c| (c.label, c.sort_text)).collect();
-
-        expect_test::expect![[r#"
-            [
-                (
-                    "&arg",
-                    Some(
-                        "fffffff9",
-                    ),
-                ),
-                (
-                    "arg",
-                    Some(
-                        "fffffffd",
-                    ),
-                ),
-            ]
-        "#]]
-        .assert_debug_eq(&items);
-    }
-
     #[test]
     fn conv_fold_line_folding_only_fixup() {
         let text = r#"mod a;
diff --git a/docs/dev/lsp-extensions.md b/docs/dev/lsp-extensions.md
index 1fb5237ba7..98098b69a9 100644
--- a/docs/dev/lsp-extensions.md
+++ b/docs/dev/lsp-extensions.md
@@ -1,5 +1,5 @@
 <!---
-lsp_ext.rs hash: 5f96a69eb3a5ebc3
+lsp_ext.rs hash: ad52054176909945
 
 If you need to change the above hash to make the test pass, please check if you
 need to adjust this doc as well and ping this issue:
@@ -743,3 +743,23 @@ const enum WorkspaceSymbolSearchKind {
     AllSymbols = "allSymbols"
 }
 ```
+
+## Client Commands
+
+**Experimental Client Capability:** `{ "commands?": ClientCommandOptions }`
+
+Certain LSP types originating on the server, notably code lenses, embed commands.
+Commands can be serviced either by the server or by the client.
+However, the server doesn't know which commands are available on the client.
+
+This extensions allows the client to communicate this info.
+
+
+```typescript
+export interface ClientCommandOptions {
+	/**
+	 * The commands to be executed on the client
+	 */
+	commands: string[];
+}
+```
diff --git a/docs/user/generated_config.adoc b/docs/user/generated_config.adoc
index 54328f5135..c40b6d6936 100644
--- a/docs/user/generated_config.adoc
+++ b/docs/user/generated_config.adoc
@@ -353,6 +353,12 @@ Whether to show `Method References` lens. Only applies when
 Whether to show `References` lens. Only applies when
 `#rust-analyzer.lens.enable#` is set.
 --
+[[rust-analyzer.lens.forceCustomCommands]]rust-analyzer.lens.forceCustomCommands (default: `true`)::
++
+--
+Internal config: use custom client-side commands even when the
+client doesn't set the corresponding capability.
+--
 [[rust-analyzer.linkedProjects]]rust-analyzer.linkedProjects (default: `[]`)::
 +
 --
diff --git a/editors/code/package.json b/editors/code/package.json
index 3a6f2c5fe9..b237268657 100644
--- a/editors/code/package.json
+++ b/editors/code/package.json
@@ -789,6 +789,11 @@
                     "default": false,
                     "type": "boolean"
                 },
+                "rust-analyzer.lens.forceCustomCommands": {
+                    "markdownDescription": "Internal config: use custom client-side commands even when the\nclient doesn't set the corresponding capability.",
+                    "default": true,
+                    "type": "boolean"
+                },
                 "rust-analyzer.linkedProjects": {
                     "markdownDescription": "Disable project auto-discovery in favor of explicitly specified set\nof projects.\n\nElements must be paths pointing to `Cargo.toml`,\n`rust-project.json`, or JSON objects in `rust-project.json` format.",
                     "default": [],
diff --git a/editors/code/src/client.ts b/editors/code/src/client.ts
index b18cf4a20a..3e9788c98c 100644
--- a/editors/code/src/client.ts
+++ b/editors/code/src/client.ts
@@ -178,6 +178,15 @@ class ExperimentalFeatures implements lc.StaticFeature {
         caps.codeActionGroup = true;
         caps.hoverActions = true;
         caps.serverStatusNotification = true;
+        caps.commands = {
+            commands: [
+                "rust-analyzer.runSingle",
+                "rust-analyzer.debugSingle",
+                "rust-analyzer.showReferences",
+                "rust-analyzer.gotoLocation",
+                "editor.action.triggerParameterHints",
+            ]
+        };
         capabilities.experimental = caps;
     }
     initialize(_capabilities: lc.ServerCapabilities<any>, _documentSelector: lc.DocumentSelector | undefined): void {