diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index da5f08bb0b..b7958b2732 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -39,19 +39,19 @@ jobs:
         uses: ./.github/actions/cache
 
       - name: Generate search client
-        run: yarn generate:js:search
+        run: yarn generate javascript search
 
       - name: Build search client
         run: yarn client:build-js:search
 
       - name: Generate recommend client
-        run: yarn generate:js:recommend
+        run: yarn generate javascript recommend
 
       - name: Build recommend client
         run: yarn client:build-js:recommend
 
       - name: Generate personalization client
-        run: yarn generate:js:personalization
+        run: yarn generate javascript personalization
 
       - name: Build personalization client
         run: yarn client:build-js:personalization
diff --git a/README.md b/README.md
index 8007e509d9..5a8c08c678 100644
--- a/README.md
+++ b/README.md
@@ -14,16 +14,21 @@ nvm use && yarn
 yarn generate
 ```
 
+Generic command:
+```bash
+yarn generate <language | all> <client | all>
+```
+
 ### Search client
 
 ```bash
-yarn generate:search
+yarn generate all search
 ```
 
 ### Recommend client
 
 ```bash
-yarn generate:recommend
+yarn generate all recommend
 ```
 
 ## Build generated clients
diff --git a/doc/contribution_addNewClient.md b/doc/contribution_addNewClient.md
index 75facebddd..5a72b51359 100644
--- a/doc/contribution_addNewClient.md
+++ b/doc/contribution_addNewClient.md
@@ -20,10 +20,18 @@ Example for the JavaScript client
 openapi-generator author template -g typescript-node -o templates/algoliasearch-client-javascript/
 ```
 
+## Add the language/client to the tool chain
+
+Add each client in the file `openapitools.json`, following the others client structure.
+Then add it to the `scripts/multiplexer.sh` file to register it for the other commands.
+
+Don't forget to write tests for it using the [CTS](./CTS.md)
 ## Customize the template
 
 API clients require a custom Algolia logic in order to seamlessly work with our engine.
 
+The first thing to do is strip as much code as possible, because the generation include lots of useless feature.
+
 You will need to implement:
 
 - An `init` method
diff --git a/package.json b/package.json
index 31b4f5a3c0..e4244a71ea 100644
--- a/package.json
+++ b/package.json
@@ -23,21 +23,12 @@
     "client:build": "yarn client:build-js",
     "cts:generate": "yarn workspace tests cts:generate",
     "cts:test": "yarn workspace tests test",
-    "lint:client:fix": "eslint --ext=ts ${CLIENT} --fix",
     "lint": "eslint --ext=ts .",
     "format:specs": "yarn prettier --write specs",
-    "generate:js:personalization": "yarn openapi-generator-cli generate --generator-key javascript-personalization && CLIENT=client-personalization yarn utils:import-js && CLIENT=clients/algoliasearch-client-javascript/client-personalization/ yarn lint:client:fix",
-    "generate:js:recommend": "yarn openapi-generator-cli generate --generator-key javascript-recommend && CLIENT=recommend yarn utils:import-js && CLIENT=clients/algoliasearch-client-javascript/recommend/ yarn lint:client:fix",
-    "generate:js:search": "yarn openapi-generator-cli generate --generator-key javascript-search && CLIENT=client-search yarn utils:import-js && CLIENT=clients/algoliasearch-client-javascript/client-search/ yarn lint:client:fix",
-    "generate:js": "yarn generate:js:search && yarn generate:js:recommend && yarn generate:js:personalization",
-    "generate:personalization": "yarn generate:js:personalization",
-    "generate:recommend": "yarn generate:js:recommend",
-    "generate:search": "yarn generate:js:search",
-    "generate": "yarn generate:js && yarn format:specs",
+    "generate": "./scripts/multiplexer.sh ./scripts/generate.sh ${0:-all} ${1:-all} && ./scripts/post-gen/global.sh",
     "playground:js:personalization": "yarn workspace javascript-playground start:personalization",
     "playground:js:recommend": "yarn workspace javascript-playground start:recommend",
     "playground:js:search": "yarn workspace javascript-playground start:search",
-    "utils:import-js": "mkdir -p -- clients/algoliasearch-client-javascript/${CLIENT}/utils && cp -R clients/algoliasearch-client-javascript/utils/ clients/algoliasearch-client-javascript/${CLIENT}/utils",
     "validate": "yarn swagger-cli validate specs/dist/search.yml && yarn swagger-cli validate specs/dist/recommend.yml && yarn swagger-cli validate specs/dist/personalization.yml"
   },
   "devDependencies": {
@@ -54,6 +45,7 @@
     "eslint-plugin-jsdoc": "37.1.0",
     "eslint-plugin-prettier": "4.0.0",
     "eslint-plugin-unused-imports": "2.0.0",
+    "json": "11.0.0",
     "prettier": "2.5.0",
     "swagger-cli": "4.0.4",
     "typescript": "4.5.2"
diff --git a/scripts/generate.sh b/scripts/generate.sh
new file mode 100755
index 0000000000..c88f0ccbb8
--- /dev/null
+++ b/scripts/generate.sh
@@ -0,0 +1,34 @@
+#!/bin/bash
+
+# Break on non-zero code
+set -e
+
+DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
+# Move to the root (easier to locate other scripts)
+cd ${DIR}/..
+
+lang=$1
+client=$2
+
+# run the pre generation script if it exists (spec v)
+pregen="./scripts/pre-gen/${lang}.sh"
+if [[ -f "$pregen" ]]; then
+    echo "Pre-gen for ${lang}-${client}"
+    $pregen $client
+fi
+
+set +e
+echo "Generating code for ${lang}-${client}"
+log=$(yarn openapi-generator-cli generate --generator-key "${lang}-${client}")
+if [[ $? != 0 ]]; then
+    echo "$log"
+    exit 1
+fi
+set -e
+
+# run the post generation script if it exists (linting and additional files)
+postgen="./scripts/post-gen/${lang}.sh"
+if [[ -f "$postgen" ]]; then
+    echo "Post-gen for ${lang}-${client}"
+    $postgen $client
+fi
diff --git a/scripts/multiplexer.sh b/scripts/multiplexer.sh
new file mode 100755
index 0000000000..bf36ec37e2
--- /dev/null
+++ b/scripts/multiplexer.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+# Call this script with multiplexer.sh <lang | all> <client | all> <cmd>
+# to run the cmd for all the required lang-client combination
+
+# Break on non-zero code
+set -e
+
+DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
+# Move to the root (easier to locate other scripts)
+cd ${DIR}/..
+
+CMD=$1
+LANGUAGE=$2
+CLIENT=$3
+
+LANGUAGES=(javascript)
+CLIENTS=(search recommend personalization)
+
+if [[ $LANGUAGE == "all" ]]; then
+    LANGUAGE=("${LANGUAGES[@]}")
+elif [[ " ${LANGUAGES[*]} " =~ " ${LANGUAGE} " ]]; then
+    LANGUAGE=($LANGUAGE)
+else
+    echo "Unknown language ${LANGUAGE}"
+    exit 1
+fi
+
+if [[ $CLIENT == "all" ]]; then
+    CLIENT=("${CLIENTS[@]}")
+elif [[ " ${CLIENTS[*]} " =~ " ${CLIENT} " ]]; then
+    CLIENT=($CLIENT)
+else
+    echo "Unknown client ${CLIENT}"
+    exit 1
+fi
+
+for lang in "${LANGUAGE[@]}"; do
+    for client in "${CLIENT[@]}"; do
+        $CMD $lang $client
+    done
+done
diff --git a/scripts/post-gen/global.sh b/scripts/post-gen/global.sh
new file mode 100755
index 0000000000..2974b33651
--- /dev/null
+++ b/scripts/post-gen/global.sh
@@ -0,0 +1 @@
+yarn format:specs
diff --git a/scripts/post-gen/javascript.sh b/scripts/post-gen/javascript.sh
new file mode 100755
index 0000000000..1e6e2bd53f
--- /dev/null
+++ b/scripts/post-gen/javascript.sh
@@ -0,0 +1,7 @@
+client=$1
+
+export CLIENT=$(cat openapitools.json | yarn json "generator-cli.generators.javascript-${client}.output" | sed 's/#{cwd}\///g')
+mkdir -p $CLIENT/utils
+cp -R clients/algoliasearch-client-javascript/utils/ $CLIENT/utils
+
+eslint --ext=ts ${CLIENT} --fix
diff --git a/yarn.lock b/yarn.lock
index 218431d335..e14bbac32d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -22,6 +22,7 @@ __metadata:
     eslint-plugin-jsdoc: 37.1.0
     eslint-plugin-prettier: 4.0.0
     eslint-plugin-unused-imports: 2.0.0
+    json: 11.0.0
     prettier: 2.5.0
     swagger-cli: 4.0.4
     typescript: 4.5.2
@@ -4264,6 +4265,15 @@ fsevents@^2.3.2:
   languageName: node
   linkType: hard
 
+"json@npm:11.0.0":
+  version: 11.0.0
+  resolution: "json@npm:11.0.0"
+  bin:
+    json: lib/json.js
+  checksum: 0beb8689722fc30251638543caf791bedc1a25199c18eb0281de115a0dadb00a07d4d36cbd7ff7680e04157fcb2bba76f29ed940b1e4e92f60c6fbaa74523fce
+  languageName: node
+  linkType: hard
+
 "jsonfile@npm:^6.0.1":
   version: 6.1.0
   resolution: "jsonfile@npm:6.1.0"