diff --git a/.hgtags b/.hgtags
index 7d999a22e76f4ed32986bb40a18c46debd8fedb6..299dad878dbd108a087f9998d1a8aa67e69bb9be 100644
--- a/.hgtags
+++ b/.hgtags
@@ -25,3 +25,4 @@ d0d3f818406e3eaf22b24068a296144f97b54ad4 v0.2.4
 f1e05c41a2acee9b737eb03cae2dd86dc24e1d75 v0.2.5
 725629941fcb8cc79281e9da851d400b7ee694a0 v1.0.0
 2b89448cf3bdf5ed7a9ff1ec4523b19e55781b43 1.0.1
+0ee3f429052d274a6dc8a568139664fa234e68b3 1.1.0
diff --git a/package.json b/package.json
index ab3afc05b14886d235f0b5638914902900041db5..7c96c55cf757f2f6876064c5ad2af081725a21bc 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@logilab/cwclientlibjs",
-    "version": "1.0.1",
+    "version": "1.1.0",
     "description": "client library for CubicWeb's rqlcontroller API",
     "homepage": "https://forge.extranet.logilab.fr/open-source/cwclientlibjs",
     "repository": {
diff --git a/src/index.ts b/src/index.ts
index 4bbee0ad6fc6fa8323f73ac8d315cd6d5ac4598e..ffc2be1b19a173957c0e176a695de690f87239f2 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -5,5 +5,6 @@
 
 import * as client from './client';
 import * as providers from './providers';
+import * as rqlQueries from './rqlQueries';
 
-export {client, providers};
+export {client, providers, rqlQueries};
diff --git a/src/rqlQueries/index.ts b/src/rqlQueries/index.ts
new file mode 100644
index 0000000000000000000000000000000000000000..6b79b5f6f0ebed4ba5be5eeb94153b50618fccee
--- /dev/null
+++ b/src/rqlQueries/index.ts
@@ -0,0 +1,7 @@
+import {currentState, fireTransition, possibleTransitions} from './workflow';
+
+export const workflow = {
+    currentState,
+    fireTransition,
+    possibleTransitions,
+};
diff --git a/src/rqlQueries/types.ts b/src/rqlQueries/types.ts
new file mode 100644
index 0000000000000000000000000000000000000000..41f6054f69677517288dbdfb45f3d585638b2904
--- /dev/null
+++ b/src/rqlQueries/types.ts
@@ -0,0 +1 @@
+export type BoundRqlQuery<T> = [string, T];
diff --git a/src/rqlQueries/workflow.ts b/src/rqlQueries/workflow.ts
new file mode 100644
index 0000000000000000000000000000000000000000..8fce0ac0e27aa88967b6ca19cec21633e00eaea0
--- /dev/null
+++ b/src/rqlQueries/workflow.ts
@@ -0,0 +1,76 @@
+/* cwclientlibjs
+   copyright 2015 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+   contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
+*/
+
+import {BoundRqlQuery} from './types';
+
+/**
+ * Generate a RQL query to retrieve the current state of a workflowable entity
+ *
+ * @param eid Identifier of the workflowable entity
+ */
+export function currentState(eid: number): BoundRqlQuery<{eid: number}> {
+    const rql = `
+        Any
+            STATE_NAME
+        WHERE
+            ENTITY eid %(eid)s,
+            ENTITY in_state STATE,
+            STATE name STATE_NAME
+    `;
+    return [rql, {eid}];
+}
+
+/**
+ * Generates a RQL query to retrieve the list of transitions that can be fired
+ * on a given entity
+ *
+ * The query doesn't take the user rights into account. It means that some
+ * transitions could not be fireable by the user executing the query but still
+ * appear in the results.
+ * Each resulting row contains a single value which represents a transition
+ * name.
+ * @param eid Identifier of the workflowable entity
+ */
+export function possibleTransitions(eid: number): BoundRqlQuery<{eid: number}> {
+    const rql = ` Any TRANSITION_NAME WHERE ENTITY eid %(eid)s,
+            ENTITY in_state CURRENT_STATE,
+            CURRENT_STATE allowed_transition TRANSITION,
+            TRANSITION name TRANSITION_NAME
+    `;
+    return [rql, {eid}];
+}
+
+/**
+ * Generates a RQL query to fire a transition on an entity
+ *
+ * The result contains a single row containing only the eid of the created TrInfo.
+ * @param eid Identifier of the workflowable entity on which to fire the transition
+ * @param transitionName Name of transition to fire
+ * @param options.comment Additional comment to store in the created TrInfo
+ */
+export function fireTransition(
+    eid: number,
+    transitionName: string,
+    options: {comment?: string} = {}
+): BoundRqlQuery<{eid: number; transitionName: string; comment?: string}> {
+    const vars: {eid: number; transitionName: string; comment?: string} = {
+        eid,
+        transitionName,
+    };
+    let commentAssignment = '';
+    if (options.comment) {
+        vars.comment = options.comment;
+        commentAssignment = ', TR_INFO comment %(comment)s';
+    }
+    const rql = `
+        INSERT TrInfo TR_INFO:
+            TR_INFO wf_info_for ENTITY, TR_INFO by_transition TRANSITION${commentAssignment}
+        WHERE
+            ENTITY eid %(eid)s,
+            ENTITY in_state CURRENT_STATE, CURRENT_STATE state_of WORKFLOW,
+            TRANSITION transition_of WORKFLOW, TRANSITION name %(transitionName)s
+    `;
+    return [rql, vars];
+}