diff --git a/.changeset/twelve-cycles-call.md b/.changeset/twelve-cycles-call.md
new file mode 100644
index 000000000..2455fc732
--- /dev/null
+++ b/.changeset/twelve-cycles-call.md
@@ -0,0 +1,5 @@
+---
+'@neo4j-cypher/language-support': patch
+---
+
+Adds signature help capabilities to the language support
diff --git a/.vscode/settings.json b/.vscode/settings.json
index c6d1ea446..b6a5307f3 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -2,7 +2,7 @@
   "typescript.tsc.autoDetect": "off",
   "typescript.preferences.quoteStyle": "single",
   "editor.codeActionsOnSave": {
-    "source.fixAll.eslint": true
+    "source.fixAll.eslint": "explicit"
   },
   "editor.defaultFormatter": "esbenp.prettier-vscode",
   "editor.formatOnSave": true,
diff --git a/package-lock.json b/package-lock.json
index d0fd7fbc8..75c84fd50 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -26,7 +26,8 @@
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       },
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-        "node": ">=18.18.2"
+        "node": ">=18.18.2",
+        "vscode": "^1.22.0"
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     },
     "node_modules/@aashutoshrathi/word-wrap": {
@@ -1889,6 +1890,12 @@
         "node": ">=6.9.0"
       }
     },
+    "node_modules/@balena/dockerignore": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@balena/dockerignore/-/dockerignore-1.0.2.tgz",
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+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/@bcoe/v8-coverage/-/v8-coverage-0.2.3.tgz",
@@ -4676,6 +4683,15 @@
         "@sinonjs/commons": "^3.0.0"
       }
     },
+    "node_modules/@testcontainers/neo4j": {
+      "version": "10.4.0",
+      "resolved": "https://registry.npmjs.org/@testcontainers/neo4j/-/neo4j-10.4.0.tgz",
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+      "dev": true,
+      "dependencies": {
+        "testcontainers": "^10.4.0"
+      }
+    },
     "node_modules/@tootallnate/once": {
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       "resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-1.1.2.tgz",
@@ -4766,6 +4782,26 @@
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+    "node_modules/@types/docker-modem": {
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/@types/docker-modem/-/docker-modem-3.0.6.tgz",
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+      "dev": true,
+      "dependencies": {
+        "@types/node": "*",
+        "@types/ssh2": "*"
+      }
+    },
+    "node_modules/@types/dockerode": {
+      "version": "3.3.23",
+      "resolved": "https://registry.npmjs.org/@types/dockerode/-/dockerode-3.3.23.tgz",
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+      "dev": true,
+      "dependencies": {
+        "@types/docker-modem": "*",
+        "@types/node": "*"
+      }
+    },
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       "dev": true
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+    "node_modules/@types/ssh2": {
+      "version": "1.11.18",
+      "resolved": "https://registry.npmjs.org/@types/ssh2/-/ssh2-1.11.18.tgz",
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+      "dependencies": {
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+    },
+    "node_modules/@types/ssh2-streams": {
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+      "resolved": "https://registry.npmjs.org/@types/ssh2-streams/-/ssh2-streams-0.1.12.tgz",
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+      "dev": true,
+      "dependencies": {
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+      }
+    },
+    "node_modules/@types/ssh2/node_modules/@types/node": {
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+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.19.4.tgz",
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+      "dev": true,
+      "dependencies": {
+        "undici-types": "~5.26.4"
+      }
+    },
+    "node_modules/@types/ssh2/node_modules/undici-types": {
+      "version": "5.26.5",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
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@@ -5214,9 +5283,9 @@
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@@ -5680,6 +5749,59 @@
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+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/archiver/-/archiver-5.3.2.tgz",
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+      "dev": true,
+      "dependencies": {
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+        "async": "^3.2.4",
+        "buffer-crc32": "^0.2.1",
+        "readable-stream": "^3.6.0",
+        "readdir-glob": "^1.1.2",
+        "tar-stream": "^2.2.0",
+        "zip-stream": "^4.1.0"
+      },
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/archiver-utils": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/archiver-utils/-/archiver-utils-2.1.0.tgz",
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+      "dev": true,
+      "dependencies": {
+        "glob": "^7.1.4",
+        "graceful-fs": "^4.2.0",
+        "lazystream": "^1.0.0",
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+        "lodash.difference": "^4.5.0",
+        "lodash.flatten": "^4.4.0",
+        "lodash.isplainobject": "^4.0.6",
+        "lodash.union": "^4.6.0",
+        "normalize-path": "^3.0.0",
+        "readable-stream": "^2.0.0"
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+      "engines": {
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+      "version": "3.6.2",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
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+      "dev": true,
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
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@@ -5802,6 +5924,15 @@
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+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.6.tgz",
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@@ -5842,6 +5973,18 @@
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+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.5.tgz",
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+      "dev": true
+    },
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+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/async-lock/-/async-lock-1.4.1.tgz",
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@@ -5910,6 +6053,12 @@
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+      "resolved": "https://registry.npmjs.org/b4a/-/b4a-1.6.4.tgz",
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@@ -6200,6 +6349,15 @@
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-      "optional": true
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+      "resolved": "https://registry.npmjs.org/compress-commons/-/compress-commons-4.1.2.tgz",
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+      "version": "2.15.6",
+      "resolved": "https://registry.npmjs.org/streamx/-/streamx-2.15.6.tgz",
+      "integrity": "sha512-q+vQL4AAz+FdfT137VF69Cc/APqUbxy+MDOImRrMvchJpigHj9GksgDU2LYbO9rx7RX6osWgxJB2WxhYv4SZAw==",
+      "dev": true,
+      "dependencies": {
+        "fast-fifo": "^1.1.0",
+        "queue-tick": "^1.0.1"
+      }
+    },
     "node_modules/string_decoder": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
@@ -16676,7 +17220,6 @@
       "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-2.2.0.tgz",
       "integrity": "sha512-ujeqbceABgwMZxEJnk2HDY2DlnUZ+9oEcb1KzTVfYHio0UE6dG71n60d8D2I4qNvleWrrXpmjpt7vZeF1LnMZQ==",
       "dev": true,
-      "optional": true,
       "dependencies": {
         "bl": "^4.0.3",
         "end-of-stream": "^1.4.1",
@@ -16693,7 +17236,6 @@
       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
       "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
       "dev": true,
-      "optional": true,
       "dependencies": {
         "inherits": "^2.0.3",
         "string_decoder": "^1.1.1",
@@ -16843,6 +17385,51 @@
         "node": ">=8"
       }
     },
+    "node_modules/testcontainers": {
+      "version": "10.4.0",
+      "resolved": "https://registry.npmjs.org/testcontainers/-/testcontainers-10.4.0.tgz",
+      "integrity": "sha512-kMmJXOAuJeQTRbGSrIEBaAzTzGzmY4+DU5xW5CxgzxgywCoy53ubeiTh3eZ1rzT54YR3zf0nijlb/l7OT4E+/g==",
+      "dev": true,
+      "dependencies": {
+        "@balena/dockerignore": "^1.0.2",
+        "@types/dockerode": "^3.3.21",
+        "archiver": "^5.3.2",
+        "async-lock": "^1.4.0",
+        "byline": "^5.0.0",
+        "debug": "^4.3.4",
+        "docker-compose": "^0.24.2",
+        "dockerode": "^3.3.5",
+        "get-port": "^5.1.1",
+        "node-fetch": "^2.7.0",
+        "proper-lockfile": "^4.1.2",
+        "properties-reader": "^2.3.0",
+        "ssh-remote-port-forward": "^1.0.4",
+        "tar-fs": "^3.0.4",
+        "tmp": "^0.2.1"
+      }
+    },
+    "node_modules/testcontainers/node_modules/tar-fs": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-3.0.4.tgz",
+      "integrity": "sha512-5AFQU8b9qLfZCX9zp2duONhPmZv0hGYiBPJsyUdqMjzq/mqVpy/rEUSeHk1+YitmxugaptgBh5oDGU3VsAJq4w==",
+      "dev": true,
+      "dependencies": {
+        "mkdirp-classic": "^0.5.2",
+        "pump": "^3.0.0",
+        "tar-stream": "^3.1.5"
+      }
+    },
+    "node_modules/testcontainers/node_modules/tar-stream": {
+      "version": "3.1.6",
+      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-3.1.6.tgz",
+      "integrity": "sha512-B/UyjYwPpMBv+PaFSWAmtYjwdrlEaZQEhMIBFNC5oEG8lpiW8XjcSdmEaClj28ArfKScKHs2nshz3k2le6crsg==",
+      "dev": true,
+      "dependencies": {
+        "b4a": "^1.6.4",
+        "fast-fifo": "^1.2.0",
+        "streamx": "^2.15.0"
+      }
+    },
     "node_modules/text-table": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
@@ -16928,6 +17515,12 @@
         "node": ">=8.0"
       }
     },
+    "node_modules/tr46": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
+      "dev": true
+    },
     "node_modules/tree-kill": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/tree-kill/-/tree-kill-1.2.2.tgz",
@@ -17330,6 +17923,12 @@
         "win32"
       ]
     },
+    "node_modules/tweetnacl": {
+      "version": "0.14.5",
+      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
+      "integrity": "sha512-KXXFFdAbFXY4geFIwoyNK+f5Z1b7swfXABfL7HXCmoIWMKU3dmS26672A4EeQtDzLKy7SXmfBu51JolvEKwtGA==",
+      "dev": true
+    },
     "node_modules/type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
@@ -17779,6 +18378,12 @@
         "defaults": "^1.0.3"
       }
     },
+    "node_modules/webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
+      "dev": true
+    },
     "node_modules/webpack": {
       "version": "5.89.0",
       "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.89.0.tgz",
@@ -17973,6 +18578,16 @@
         "url": "https://opencollective.com/webpack"
       }
     },
+    "node_modules/whatwg-url": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
+      "dev": true,
+      "dependencies": {
+        "tr46": "~0.0.3",
+        "webidl-conversions": "^3.0.0"
+      }
+    },
     "node_modules/which": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
@@ -18356,6 +18971,55 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/zip-stream": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/zip-stream/-/zip-stream-4.1.1.tgz",
+      "integrity": "sha512-9qv4rlDiopXg4E69k+vMHjNN63YFMe9sZMrdlvKnCjlCRWeCBswPPMPUfx+ipsAWq1LXHe70RcbaHdJJpS6hyQ==",
+      "dev": true,
+      "dependencies": {
+        "archiver-utils": "^3.0.4",
+        "compress-commons": "^4.1.2",
+        "readable-stream": "^3.6.0"
+      },
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/zip-stream/node_modules/archiver-utils": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/archiver-utils/-/archiver-utils-3.0.4.tgz",
+      "integrity": "sha512-KVgf4XQVrTjhyWmx6cte4RxonPLR9onExufI1jhvw/MQ4BB6IsZD5gT8Lq+u/+pRkWna/6JoHpiQioaqFP5Rzw==",
+      "dev": true,
+      "dependencies": {
+        "glob": "^7.2.3",
+        "graceful-fs": "^4.2.0",
+        "lazystream": "^1.0.0",
+        "lodash.defaults": "^4.2.0",
+        "lodash.difference": "^4.5.0",
+        "lodash.flatten": "^4.4.0",
+        "lodash.isplainobject": "^4.0.6",
+        "lodash.union": "^4.6.0",
+        "normalize-path": "^3.0.0",
+        "readable-stream": "^3.6.0"
+      },
+      "engines": {
+        "node": ">= 10"
+      }
+    },
+    "node_modules/zip-stream/node_modules/readable-stream": {
+      "version": "3.6.2",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.2.tgz",
+      "integrity": "sha512-9u/sniCrY3D5WdsERHzHE4G2YCXqoG5FTHUiCC4SIbr6XcLZBY05ya9EKjYek9O5xOAwjGq+1JdGBAS7Q9ScoA==",
+      "dev": true,
+      "dependencies": {
+        "inherits": "^2.0.3",
+        "string_decoder": "^1.1.1",
+        "util-deprecate": "^1.0.1"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "packages/language-server": {
       "name": "@neo4j-cypher/language-server",
       "version": "2.0.0-next.3",
@@ -19498,10 +20162,11 @@
         "vscode-languageclient": "^8.1.0"
       },
       "devDependencies": {
+        "@testcontainers/neo4j": "^10.4.0",
         "@types/mocha": "^10.0.1",
         "@types/node": "^16.11.7",
         "@types/vscode": "^1.75.0",
-        "@vscode/test-electron": "^2.2.3",
+        "@vscode/test-electron": "^2.3.8",
         "@vscode/vsce": "^2.21.1",
         "mocha": "^10.2.0",
         "typescript": "^4.9.5"
diff --git a/package.json b/package.json
index 7f1d1a5aa..698c07592 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,8 @@
   },
   "engineStrict": true,
   "engines": {
-    "node": ">=18.18.2"
+    "node": ">=18.18.2",
+    "vscode": "^1.22.0"
   },
   "devDependencies": {
     "@changesets/cli": "^2.26.2",
diff --git a/packages/react-codemirror/playwright/index.html b/packages/react-codemirror/playwright/index.html
index 610ddf8a4..a5c5c3693 100644
--- a/packages/react-codemirror/playwright/index.html
+++ b/packages/react-codemirror/playwright/index.html
@@ -6,7 +6,7 @@
     <title>Testing Page</title>
   </head>
   <body>
-    <div id="root"></div>
+    <div id="root" style="padding-top: 1em"></div>
     <script type="module" src="./index.tsx"></script>
   </body>
 </html>
diff --git a/packages/react-codemirror/src/CypherEditor.tsx b/packages/react-codemirror/src/CypherEditor.tsx
index f80930041..d7b9dd130 100644
--- a/packages/react-codemirror/src/CypherEditor.tsx
+++ b/packages/react-codemirror/src/CypherEditor.tsx
@@ -57,6 +57,10 @@ export interface CypherEditorProps {
    * @default false
    */
   autofocus?: boolean;
+  /**
+   * Where to place the cursor in the query. Cannot be enabled at the same time than autofocus
+   */
+  offset?: number;
   /**
    * Whether the editor should wrap lines.
    *
@@ -249,6 +253,8 @@ export class CypherEditor extends Component<CypherEditorProps> {
       if (this.props.value) {
         this.updateCursorPosition(this.props.value.length);
       }
+    } else if (this.props.offset) {
+      this.updateCursorPosition(this.props.offset);
     }
   }
 
diff --git a/packages/react-codemirror/src/e2e_tests/signature-help.spec.tsx b/packages/react-codemirror/src/e2e_tests/signature-help.spec.tsx
new file mode 100644
index 000000000..0e782bf8a
--- /dev/null
+++ b/packages/react-codemirror/src/e2e_tests/signature-help.spec.tsx
@@ -0,0 +1,312 @@
+import { testData } from '@neo4j-cypher/language-support';
+import { expect, test } from '@playwright/experimental-ct-react';
+import { Locator } from 'playwright/test';
+import { CypherEditor } from '../CypherEditor';
+
+test.use({ viewport: { width: 1000, height: 500 } });
+
+type TooltipExpectations = {
+  includes?: string[];
+  excludes?: string[];
+};
+
+function testTooltip(tooltip: Locator, expectations: TooltipExpectations) {
+  const includes = expectations.includes ?? [];
+  const excludes = expectations.excludes ?? [];
+
+  const included = Promise.all(
+    includes.map((text) => {
+      return expect(tooltip).toContainText(text, {
+        timeout: 2000,
+      });
+    }),
+  );
+
+  const excluded = Promise.all(
+    excludes.map((text) => {
+      return expect(tooltip).not.toContainText(text, {
+        timeout: 2000,
+      });
+    }),
+  );
+
+  return Promise.all([included, excluded]);
+}
+
+test('Signature help works for functions', async ({ page, mount }) => {
+  const query = 'RETURN abs(';
+
+  await mount(
+    <CypherEditor
+      value={query}
+      schema={testData.mockSchema}
+      autofocus={true}
+    />,
+  );
+
+  await expect(page.locator('.cm-tooltip-signature-help').last()).toBeVisible({
+    timeout: 2000,
+  });
+});
+
+test('Signature help works for procedures', async ({ page, mount }) => {
+  const query = 'CALL apoc.import.csv(';
+
+  await mount(
+    <CypherEditor
+      value={query}
+      schema={testData.mockSchema}
+      autofocus={true}
+    />,
+  );
+
+  await expect(page.locator('.cm-tooltip-signature-help').last()).toBeVisible({
+    timeout: 2000,
+  });
+});
+
+test('Signature help shows the description for the first argument', async ({
+  page,
+  mount,
+}) => {
+  const query = 'CALL apoc.import.csv(';
+
+  await mount(
+    <CypherEditor
+      value={query}
+      schema={testData.mockSchema}
+      autofocus={true}
+    />,
+  );
+
+  const tooltip = page.locator('.cm-tooltip-signature-help').last();
+
+  await testTooltip(tooltip, {
+    includes: [
+      'nodes :: LIST<MAP>',
+      'Imports `NODE` and `RELATIONSHIP` values with the given labels and types from the provided CSV file',
+    ],
+  });
+});
+
+test('Signature help shows the description for the first argument when the cursor is at that position', async ({
+  page,
+  mount,
+}) => {
+  const query = 'CALL apoc.import.csv()';
+
+  await mount(
+    <CypherEditor value={query} schema={testData.mockSchema} offset={21} />,
+  );
+
+  const tooltip = page.locator('.cm-tooltip-signature-help').last();
+
+  await testTooltip(tooltip, {
+    includes: [
+      'nodes :: LIST<MAP>',
+      'Imports `NODE` and `RELATIONSHIP` values with the given labels and types from the provided CSV file',
+    ],
+  });
+});
+
+test('Signature help shows the description for the second argument', async ({
+  page,
+  mount,
+}) => {
+  const query = 'CALL apoc.import.csv(nodes,';
+
+  await mount(
+    <CypherEditor
+      value={query}
+      schema={testData.mockSchema}
+      autofocus={true}
+    />,
+  );
+
+  const tooltip = page.locator('.cm-tooltip-signature-help').last();
+
+  await testTooltip(tooltip, {
+    includes: [
+      'rels :: LIST<MAP>',
+      'Imports `NODE` and `RELATIONSHIP` values with the given labels and types from the provided CSV file',
+    ],
+  });
+});
+
+test('Signature help shows the description for the second argument when the cursor is at that position', async ({
+  page,
+  mount,
+}) => {
+  const query = 'CALL apoc.import.csv(nodes,)';
+
+  await mount(
+    <CypherEditor value={query} schema={testData.mockSchema} offset={27} />,
+  );
+
+  const tooltip = page.locator('.cm-tooltip-signature-help').last();
+
+  await testTooltip(tooltip, {
+    includes: [
+      'rels :: LIST<MAP>',
+      'Imports `NODE` and `RELATIONSHIP` values with the given labels and types from the provided CSV file',
+    ],
+  });
+});
+
+test('Signature help shows the description for the second argument when the cursor is at that position, even after whitespaces', async ({
+  page,
+  mount,
+}) => {
+  const query = 'CALL apoc.import.csv(nodes,  )';
+
+  await mount(
+    <CypherEditor value={query} schema={testData.mockSchema} offset={28} />,
+  );
+
+  const tooltip = page.locator('.cm-tooltip-signature-help').last();
+
+  await testTooltip(tooltip, {
+    includes: [
+      'rels :: LIST<MAP>',
+      'Imports `NODE` and `RELATIONSHIP` values with the given labels and types from the provided CSV file',
+    ],
+  });
+});
+
+test('Signature help shows description for arguments with a space following a separator', async ({
+  page,
+  mount,
+}) => {
+  const query = 'CALL apoc.import.csv(nodes, ';
+
+  await mount(
+    <CypherEditor
+      value={query}
+      schema={testData.mockSchema}
+      autofocus={true}
+    />,
+  );
+
+  const tooltip = page.locator('.cm-tooltip-signature-help').last();
+
+  await testTooltip(tooltip, {
+    includes: [
+      'rels :: LIST<MAP>',
+      'Imports `NODE` and `RELATIONSHIP` values with the given labels and types from the provided CSV file',
+    ],
+  });
+});
+
+test('Signature help shows the description for the third argument', async ({
+  page,
+  mount,
+}) => {
+  const query = 'CALL apoc.import.csv(nodes, rels,';
+
+  await mount(
+    <CypherEditor
+      value={query}
+      schema={testData.mockSchema}
+      autofocus={true}
+    />,
+  );
+
+  const tooltip = page.locator('.cm-tooltip-signature-help').last();
+
+  await testTooltip(tooltip, {
+    includes: [
+      'config :: MAP',
+      'Imports `NODE` and `RELATIONSHIP` values with the given labels and types from the provided CSV file',
+    ],
+  });
+});
+
+test('Signature help works on multiline queries', async ({ page, mount }) => {
+  const query = `CALL apoc.import.csv(
+    nodes, 
+    rels,  
+    `;
+
+  await mount(
+    <CypherEditor
+      value={query}
+      schema={testData.mockSchema}
+      autofocus={true}
+    />,
+  );
+
+  const tooltip = page.locator('.cm-tooltip-signature-help').last();
+
+  await testTooltip(tooltip, {
+    includes: [
+      'config :: MAP',
+      'Imports `NODE` and `RELATIONSHIP` values with the given labels and types from the provided CSV file',
+    ],
+  });
+});
+
+test('Signature help only shows the description past the last argument', async ({
+  page,
+  mount,
+}) => {
+  const query = 'CALL apoc.import.csv(nodes, rels, config,';
+
+  await mount(
+    <CypherEditor
+      value={query}
+      schema={testData.mockSchema}
+      autofocus={true}
+    />,
+  );
+
+  const tooltip = page.locator('.cm-tooltip-signature-help').last();
+
+  await testTooltip(tooltip, {
+    includes: [
+      'Imports `NODE` and `RELATIONSHIP` values with the given labels and types from the provided CSV file',
+    ],
+    excludes: ['config :: MAP'],
+  });
+});
+
+test('Signature help does not show any help when method finished', async ({
+  page,
+  mount,
+}) => {
+  const query = 'CALL apoc.import.csv(nodes, rels, config)';
+
+  await mount(
+    <CypherEditor
+      value={query}
+      schema={testData.mockSchema}
+      autofocus={true}
+    />,
+  );
+
+  await expect(
+    page.locator('.cm-tooltip-signature-help').last(),
+  ).not.toBeVisible({
+    timeout: 2000,
+  });
+});
+
+test('Signature help does not blow up on empty query', async ({
+  page,
+  mount,
+}) => {
+  const query = '';
+
+  await mount(
+    <CypherEditor
+      value={query}
+      schema={testData.mockSchema}
+      autofocus={true}
+    />,
+  );
+
+  await expect(
+    page.locator('.cm-tooltip-signature-help').last(),
+  ).not.toBeVisible({
+    timeout: 2000,
+  });
+});
diff --git a/packages/react-codemirror/src/index.ts b/packages/react-codemirror/src/index.ts
index 8effa9ebf..ea77314b7 100644
--- a/packages/react-codemirror/src/index.ts
+++ b/packages/react-codemirror/src/index.ts
@@ -1,4 +1,4 @@
-export { CypherParser, parse } from '@neo4j-cypher/language-support';
+export { CypherParser } from '@neo4j-cypher/language-support';
 export { CypherEditor } from './CypherEditor';
 export { cypher } from './lang-cypher/lang-cypher';
 export { darkThemeConstants, lightThemeConstants } from './themes';
diff --git a/packages/react-codemirror/src/lang-cypher/lang-cypher.ts b/packages/react-codemirror/src/lang-cypher/lang-cypher.ts
index 3df7cdf46..86a3da598 100644
--- a/packages/react-codemirror/src/lang-cypher/lang-cypher.ts
+++ b/packages/react-codemirror/src/lang-cypher/lang-cypher.ts
@@ -6,6 +6,7 @@ import {
 import type { DbSchema } from '@neo4j-cypher/language-support';
 import { cypherAutocomplete } from './autocomplete';
 import { ParserAdapter } from './ParserAdapter';
+import { signatureHelpTooltip } from './signature-help';
 import { cypherLinter } from './syntax-validation';
 
 const facet = defineLanguageFacet({
@@ -28,5 +29,6 @@ export function cypher(config: CypherConfig) {
       autocomplete: cypherAutocomplete(config),
     }),
     cypherLinter(config),
+    signatureHelpTooltip(config),
   ]);
 }
diff --git a/packages/react-codemirror/src/lang-cypher/signature-help.ts b/packages/react-codemirror/src/lang-cypher/signature-help.ts
new file mode 100644
index 000000000..cd8ae9b0e
--- /dev/null
+++ b/packages/react-codemirror/src/lang-cypher/signature-help.ts
@@ -0,0 +1,104 @@
+import { EditorState, StateField } from '@codemirror/state';
+import { showTooltip, Tooltip } from '@codemirror/view';
+import { signatureHelp } from '@neo4j-cypher/language-support';
+import { CypherConfig } from './lang-cypher';
+
+function getTriggerCharacter(query: string, offset: number) {
+  let i = offset - 1;
+  let triggerCharacter = query.at(i);
+
+  // Discard all space characters. Note that a space can be more than just a ' '
+  while (/\s/.test(triggerCharacter) && i > 0) {
+    i -= 1;
+    triggerCharacter = query.at(i);
+  }
+
+  return triggerCharacter;
+}
+
+function getSignatureHelpTooltip(
+  state: EditorState,
+  config: CypherConfig,
+): Tooltip[] {
+  let result: Tooltip[] = [];
+  const schema = config.schema;
+  const ranges = state.selection.ranges;
+  const range = ranges.at(0);
+
+  if (schema && ranges.length === 1 && range.from === range.to) {
+    const position = range.from;
+    const query = state.doc.toString();
+
+    const triggerCharacter = getTriggerCharacter(query, position);
+
+    if (triggerCharacter === '(' || triggerCharacter === ',') {
+      const queryUntilPosition = query.slice(0, position);
+
+      const signatureHelpInfo = signatureHelp(queryUntilPosition, schema);
+      const activeSignature = signatureHelpInfo.activeSignature;
+      const signatures = signatureHelpInfo.signatures;
+      const activeParameter = signatureHelpInfo.activeParameter;
+
+      if (
+        activeSignature !== undefined &&
+        activeSignature >= 0 &&
+        activeSignature < signatures.length &&
+        signatures[activeSignature].documentation !== undefined
+      ) {
+        const signature = signatures[activeSignature];
+        const parameters = signature.parameters;
+        let doc = signature.documentation.toString();
+
+        if (
+          activeParameter >= 0 &&
+          activeParameter <
+            (signatures[activeSignature].parameters?.length ?? 0)
+        ) {
+          doc =
+            parameters[activeParameter].documentation.toString() + '\n\n' + doc;
+        }
+
+        result = [
+          {
+            pos: position,
+            above: true,
+            strictSide: true,
+            arrow: true,
+            create: () => {
+              const div = document.createElement('div');
+              const methodName = document.createElement('div');
+              const argPlusDescription = document.createElement('div');
+              const separator = document.createElement('hr');
+              const lineBreak = document.createElement('br');
+
+              div.append(
+                ...[methodName, separator, lineBreak, argPlusDescription],
+              );
+              div.className = 'cm-tooltip-signature-help';
+
+              methodName.innerText = signature.label;
+              argPlusDescription.innerText = doc;
+
+              return { dom: div };
+            },
+          },
+        ];
+      }
+    }
+  }
+
+  return result;
+}
+
+export function signatureHelpTooltip(config: CypherConfig) {
+  return StateField.define<readonly Tooltip[]>({
+    create: (state) => getSignatureHelpTooltip(state, config),
+
+    update(tooltips, tr) {
+      if (!tr.docChanged && !tr.selection) return tooltips;
+      return getSignatureHelpTooltip(tr.state, config);
+    },
+
+    provide: (f) => showTooltip.computeN([f], (state) => state.field(f)),
+  });
+}
diff --git a/packages/vscode-extension/.gitignore b/packages/vscode-extension/.gitignore
new file mode 100644
index 000000000..e57758540
--- /dev/null
+++ b/packages/vscode-extension/.gitignore
@@ -0,0 +1 @@
+e2e_tests/fixtures/.vscode/settings.json
\ No newline at end of file
diff --git a/packages/vscode-extension/e2e_tests/fixtures/.vscode/settings-template.json b/packages/vscode-extension/e2e_tests/fixtures/.vscode/settings-template.json
new file mode 100644
index 000000000..72d44bc69
--- /dev/null
+++ b/packages/vscode-extension/e2e_tests/fixtures/.vscode/settings-template.json
@@ -0,0 +1,7 @@
+{
+  "neo4j.connect": true,
+  "neo4j.password": "{PASSWORD}",
+  "neo4j.URL": "neo4j://localhost:{PORT}",
+  "neo4j.user": "neo4j",
+  "neo4j.trace.server": "off"
+}
diff --git a/packages/vscode-extension/e2e_tests/fixtures/signature-help.cypher b/packages/vscode-extension/e2e_tests/fixtures/signature-help.cypher
new file mode 100644
index 000000000..b17673662
--- /dev/null
+++ b/packages/vscode-extension/e2e_tests/fixtures/signature-help.cypher
@@ -0,0 +1,3 @@
+RETURN abs()
+CALL apoc.import.csv(nodes, rels, config)
+CALL apoc.import.csv(nodes, rels, config, other)
\ No newline at end of file
diff --git a/packages/vscode-extension/e2e_tests/main.ts b/packages/vscode-extension/e2e_tests/main.ts
index 44a146c5d..c73d07514 100644
--- a/packages/vscode-extension/e2e_tests/main.ts
+++ b/packages/vscode-extension/e2e_tests/main.ts
@@ -1,7 +1,44 @@
+import { Neo4jContainer } from '@testcontainers/neo4j';
 import { runTests } from '@vscode/test-electron';
+import * as fs from 'fs';
 import * as path from 'path';
 
+function setSetting(file: string, variable: RegExp, value: string) {
+  const data = fs.readFileSync(file).toString();
+  const result = data.replace(variable, value);
+  fs.writeFileSync(file, result);
+}
+
+function updateSettingsFile(port: number, password: string) {
+  const settingsPath = path.join(
+    __dirname,
+    '../../e2e_tests/fixtures/.vscode/',
+  );
+  const settingsTemplate = path.join(settingsPath, 'settings-template.json');
+  const settingsFile = path.join(settingsPath, 'settings.json');
+  fs.copyFileSync(settingsTemplate, settingsFile);
+  setSetting(settingsFile, /\{PORT\}/g, port.toString());
+  setSetting(settingsFile, /\{PASSWORD\}/g, password);
+}
+
 async function main() {
+  const password = 'password';
+
+  const container = await new Neo4jContainer('neo4j:5')
+    .withExposedPorts(7474, 7687)
+    .withApoc()
+    .withPassword(password)
+    // Giving it a name prevents us from spinning up a different
+    // container every time we run the tests and allows us
+    // closing a lingering one when the tests finish
+    .withName('vscode-integration-tests')
+    .start();
+
+  const port = container.getMappedPort(7687);
+  // This sets up a settings.json file based on the settings-template.json
+  // replacing the random port and password we have given the container
+  updateSettingsFile(port, password);
+
   try {
     /* This is equivalent to running from a command line: 
 
@@ -19,11 +56,17 @@ async function main() {
     const extensionTestsPath = path.resolve(__dirname, './testRunner');
 
     // Bootstraps VS Code and executes the integration tests
-    await runTests({ extensionDevelopmentPath, extensionTestsPath });
+    await runTests({
+      launchArgs: [path.join(__dirname, '../../e2e_tests/fixtures/')],
+      extensionDevelopmentPath,
+      extensionTestsPath,
+    });
   } catch (err) {
     console.error('Failed to run integration tests');
     process.exit(1);
   }
+
+  await container.stop();
 }
 
 void main();
diff --git a/packages/vscode-extension/e2e_tests/testRunner.ts b/packages/vscode-extension/e2e_tests/testRunner.ts
index a05f8ce2e..2e9e1a5e3 100644
--- a/packages/vscode-extension/e2e_tests/testRunner.ts
+++ b/packages/vscode-extension/e2e_tests/testRunner.ts
@@ -9,7 +9,7 @@ export function run(): Promise<void> {
     ui: 'tdd',
     color: true,
   });
-  mocha.timeout(100000);
+  mocha.timeout(10000);
 
   const testsRoot = __dirname;
 
diff --git a/packages/vscode-extension/e2e_tests/tests/signature-help.spec.ts b/packages/vscode-extension/e2e_tests/tests/signature-help.spec.ts
new file mode 100644
index 000000000..3ffb87ee9
--- /dev/null
+++ b/packages/vscode-extension/e2e_tests/tests/signature-help.spec.ts
@@ -0,0 +1,139 @@
+import { testData } from '@neo4j-cypher/language-support';
+import * as assert from 'assert';
+import * as vscode from 'vscode';
+import { eventually, getDocumentUri, openDocument } from '../helpers';
+
+type InclusionTestArgs = {
+  textFile: string;
+  position: vscode.Position;
+  expected: vscode.SignatureHelp;
+};
+
+export async function testSignatureHelp({
+  textFile,
+  position,
+  expected,
+}: InclusionTestArgs) {
+  const docUri = getDocumentUri(textFile);
+
+  await openDocument(docUri);
+
+  await eventually(async () => {
+    const signatureHelp: vscode.SignatureHelp =
+      await vscode.commands.executeCommand(
+        'vscode.executeSignatureHelpProvider',
+        docUri,
+        position,
+      );
+
+    assert.equal(signatureHelp.activeParameter, expected.activeParameter);
+
+    expected.signatures.forEach((expectedSignature) => {
+      const foundSignature = signatureHelp.signatures.find((signature) => {
+        return signature.label === expectedSignature.label;
+      });
+
+      assert.equal(
+        foundSignature.documentation,
+        expectedSignature.documentation,
+      );
+
+      expectedSignature.parameters.forEach((expectedParameter) => {
+        const foundParameter = foundSignature.parameters.find(
+          (parameter) => parameter.label === expectedParameter.label,
+        );
+
+        assert.equal(
+          foundParameter.documentation,
+          expectedParameter.documentation,
+        );
+      });
+    });
+  });
+}
+
+suite('Signature help spec', () => {
+  test('Signature help works for functions', async () => {
+    const position = new vscode.Position(0, 11);
+
+    const expected: vscode.SignatureHelp = {
+      activeParameter: 0,
+      // We don't test the active signature, otherwise we would have to modify
+      // these tests every time a new function is added to the database
+      activeSignature: undefined,
+      signatures: [testData.mockSchema.functionSignatures.abs],
+    };
+
+    await testSignatureHelp({
+      textFile: 'signature-help.cypher',
+      position: position,
+      expected: expected,
+    });
+  });
+
+  test('Signature help works for procedures', async () => {
+    const position = new vscode.Position(1, 21);
+
+    const expected: vscode.SignatureHelp = {
+      activeParameter: 0,
+      activeSignature: undefined,
+      signatures: [testData.mockSchema.procedureSignatures['apoc.import.csv']],
+    };
+
+    await testSignatureHelp({
+      textFile: 'signature-help.cypher',
+      position: position,
+      expected: expected,
+    });
+  });
+
+  test('Signature help works when changing arguments', async () => {
+    const position = new vscode.Position(1, 27);
+
+    const expected: vscode.SignatureHelp = {
+      activeParameter: 1,
+      activeSignature: undefined,
+      signatures: [testData.mockSchema.procedureSignatures['apoc.import.csv']],
+    };
+
+    await testSignatureHelp({
+      textFile: 'signature-help.cypher',
+      position: position,
+      expected: expected,
+    });
+  });
+
+  test('Signature help works for arguments with a space following a separator', async () => {
+    const position = new vscode.Position(1, 28);
+
+    const expected: vscode.SignatureHelp = {
+      activeParameter: 1,
+      activeSignature: undefined,
+      signatures: [testData.mockSchema.procedureSignatures['apoc.import.csv']],
+    };
+
+    await testSignatureHelp({
+      textFile: 'signature-help.cypher',
+      position: position,
+      expected: expected,
+    });
+  });
+
+  test('Signature help only shows the description past the last argument', async () => {
+    const position = new vscode.Position(2, 42);
+
+    const expected: vscode.SignatureHelp = {
+      // This is what would make it show only the function description
+      // since there are only 3 arguments in the signature and the last index is 2
+      activeParameter: 3,
+      activeSignature: undefined,
+      signatures: [testData.mockSchema.procedureSignatures['apoc.import.csv']],
+    };
+
+    await testSignatureHelp({
+      textFile: 'signature-help.cypher',
+      position: position,
+      expected: expected,
+    });
+  });
+});
diff --git a/packages/vscode-extension/package.json b/packages/vscode-extension/package.json
index 0d95f882d..aac50ead3 100644
--- a/packages/vscode-extension/package.json
+++ b/packages/vscode-extension/package.json
@@ -94,12 +94,13 @@
     "vscode-languageclient": "^8.1.0"
   },
   "devDependencies": {
+    "@testcontainers/neo4j": "^10.4.0",
     "@types/mocha": "^10.0.1",
     "@types/node": "^16.11.7",
     "@types/vscode": "^1.75.0",
-    "@vscode/test-electron": "^2.2.3",
+    "@vscode/test-electron": "^2.3.8",
+    "@vscode/vsce": "^2.21.1",
     "mocha": "^10.2.0",
-    "typescript": "^4.9.5",
-    "@vscode/vsce": "^2.21.1"
+    "typescript": "^4.9.5"
   }
 }