diff --git a/languageserver/package.json b/languageserver/package.json
index 89018ca..fd4aaed 100644
--- a/languageserver/package.json
+++ b/languageserver/package.json
@@ -43,6 +43,7 @@
     "@github/actions-languageservice": "^0.1.169",
     "@github/actions-workflow-parser": "^0.1.169",
     "@octokit/rest": "^19.0.7",
+    "@octokit/types": "^9.0.0",
     "vscode-languageserver": "^8.0.2",
     "vscode-languageserver-textdocument": "^1.0.7",
     "yaml": "^2.1.3"
diff --git a/languageserver/src/context-providers/secrets.ts b/languageserver/src/context-providers/secrets.ts
index 837124f..d369ce4 100644
--- a/languageserver/src/context-providers/secrets.ts
+++ b/languageserver/src/context-providers/secrets.ts
@@ -84,7 +84,7 @@ export async function getSecrets(
     secretsMap.set(secret.value.toLowerCase(), {
       key: secret.value,
       value: new data.StringData("***"),
-      description: `Secret for environment \`${environmentName}\``
+      description: `Secret for environment \`${environmentName || ""}\``
     })
   );
 
diff --git a/languageserver/src/context-providers/steps.ts b/languageserver/src/context-providers/steps.ts
index eea315b..c89aea3 100644
--- a/languageserver/src/context-providers/steps.ts
+++ b/languageserver/src/context-providers/steps.ts
@@ -51,7 +51,7 @@ export async function getStepsContext(
     const stepContext = new DescriptionDictionary();
     for (const {key, value, description} of defaultStepContext.pairs()) {
       switch (key) {
-        case "outputs":
+        case "outputs": {
           const outputs = await getActionOutputs(octokit, cache, action);
           if (!outputs) {
             stepContext.add(key, value, description);
@@ -63,6 +63,7 @@ export async function getStepsContext(
           }
           stepContext.add("outputs", outputsDict);
           break;
+        }
         default:
           stepContext.add(key, value, description);
       }
diff --git a/languageserver/src/context-providers/variables.ts b/languageserver/src/context-providers/variables.ts
index aa3121b..b590406 100644
--- a/languageserver/src/context-providers/variables.ts
+++ b/languageserver/src/context-providers/variables.ts
@@ -73,7 +73,7 @@ export async function getVariables(
     variablesMap.set(variable.key.toLowerCase(), {
       key: variable.key,
       value: new data.StringData(variable.value.coerceString()),
-      description: `${variable.value.coerceString()} - Variable for environment \`${environmentName}\``
+      description: `${variable.value.coerceString()} - Variable for environment \`${environmentName || ""}\``
     })
   );
 
diff --git a/languageserver/src/description-providers/action-description.test.ts b/languageserver/src/description-providers/action-description.test.ts
index 72a0bd8..85df767 100644
--- a/languageserver/src/description-providers/action-description.test.ts
+++ b/languageserver/src/description-providers/action-description.test.ts
@@ -25,7 +25,7 @@ async function getDescription(mock: fetchMock.FetchMockSandbox) {
       }
     }),
     new TTLCache(),
-    workflowContext.step!
+    workflowContext.step! // eslint-disable-line @typescript-eslint/no-non-null-assertion
   );
 }
 
diff --git a/languageserver/src/description-providers/action-input.test.ts b/languageserver/src/description-providers/action-input.test.ts
index 0e2ce7d..bedea85 100644
--- a/languageserver/src/description-providers/action-input.test.ts
+++ b/languageserver/src/description-providers/action-input.test.ts
@@ -27,7 +27,7 @@ async function getDescription(input: string, mock: fetchMock.FetchMockSandbox) {
       }
     }),
     new TTLCache(),
-    workflowContext.step!,
+    workflowContext.step!, // eslint-disable-line @typescript-eslint/no-non-null-assertion
     new StringToken(undefined, undefined, input, undefined)
   );
 }
diff --git a/languageserver/src/test-utils/workflow-context.ts b/languageserver/src/test-utils/workflow-context.ts
index edde697..4138bb5 100644
--- a/languageserver/src/test-utils/workflow-context.ts
+++ b/languageserver/src/test-utils/workflow-context.ts
@@ -1,19 +1,13 @@
 import {WorkflowContext} from "@github/actions-languageservice/context/workflow-context";
-import {convertWorkflowTemplate, parseWorkflow, TraceWriter} from "@github/actions-workflow-parser";
+import {convertWorkflowTemplate, NoOperationTraceWriter, parseWorkflow} from "@github/actions-workflow-parser";
 import {isJob} from "@github/actions-workflow-parser/model/type-guards";
 
-const nullTrace: TraceWriter = {
-  info: x => {},
-  verbose: x => {},
-  error: x => {}
-};
-
 export async function createWorkflowContext(
   workflow: string,
   job?: string,
   stepIndex?: number
 ): Promise<WorkflowContext> {
-  const parsed = parseWorkflow({name: "test.yaml", content: workflow}, nullTrace);
+  const parsed = parseWorkflow({name: "test.yaml", content: workflow}, new NoOperationTraceWriter());
   if (!parsed.value) {
     throw new Error("Failed to parse workflow");
   }
diff --git a/languageserver/src/utils/action-metadata.ts b/languageserver/src/utils/action-metadata.ts
index c23cfae..be6cd4d 100644
--- a/languageserver/src/utils/action-metadata.ts
+++ b/languageserver/src/utils/action-metadata.ts
@@ -3,6 +3,7 @@ import {error} from "@github/actions-languageservice/log";
 import {Octokit, RestEndpointMethodTypes} from "@octokit/rest";
 import {parse} from "yaml";
 import {TTLCache} from "./cache";
+import {errorMessage, errorStatus} from "./error";
 
 export async function fetchActionMetadata(
   client: Octokit,
@@ -17,15 +18,15 @@ export async function fetchActionMetadata(
   }
 
   // https://docs.github.com/actions/creating-actions/metadata-syntax-for-github-actions
-  return parse(metadata);
+  return parse(metadata) as ActionMetadata;
 }
 
 async function getActionMetadata(client: Octokit, action: ActionReference): Promise<string | undefined> {
   let resp: RestEndpointMethodTypes["repos"]["getContent"]["response"];
   try {
     resp = await fetchAction(client, action);
-  } catch (e: any) {
-    error(`Failed to fetch action metadata for ${actionIdentifier(action)}: '${e?.message || "<no details>"}'`);
+  } catch (e) {
+    error(`Failed to fetch action metadata for ${actionIdentifier(action)}: '${errorMessage(e)}'`);
     return;
   }
 
@@ -50,9 +51,9 @@ async function fetchAction(client: Octokit, action: ActionReference) {
       ref: action.ref,
       path: action.path ? `${action.path}/action.yml` : "action.yml"
     });
-  } catch (e: any) {
+  } catch (e) {
     // If action.yml doesn't exist, try action.yaml
-    if (e.status === 404) {
+    if (errorStatus(e) === 404) {
       return await client.repos.getContent({
         owner: action.owner,
         repo: action.name,
diff --git a/languageserver/src/utils/error.ts b/languageserver/src/utils/error.ts
new file mode 100644
index 0000000..843eaad
--- /dev/null
+++ b/languageserver/src/utils/error.ts
@@ -0,0 +1,27 @@
+import {RequestError} from "@octokit/types";
+
+export function errorMessage(error: unknown): string {
+  if (error instanceof Error) {
+    return error.message;
+  }
+  if (typeof error === "string") {
+    return error;
+  }
+
+  if ("name" in (error as RequestError)) {
+    return (error as RequestError).name;
+  }
+
+  const status = errorStatus(error);
+  if (status) {
+    return `HTTP ${status}`;
+  }
+
+  return "Unknown error";
+}
+
+export function errorStatus(error: unknown): number | undefined {
+  if ("status" in (error as RequestError)) {
+    return (error as RequestError).status;
+  }
+}
diff --git a/languageserver/src/utils/repo-permission.ts b/languageserver/src/utils/repo-permission.ts
index 5cb760d..29ab78f 100644
--- a/languageserver/src/utils/repo-permission.ts
+++ b/languageserver/src/utils/repo-permission.ts
@@ -3,6 +3,7 @@ import {Octokit} from "@octokit/rest";
 import {RepositoryContext} from "../initializationOptions";
 import {TTLCache} from "./cache";
 import {getUsername} from "./username";
+import {errorStatus} from "./error";
 
 export type RepoPermission = "admin" | "write" | "read" | "none";
 
@@ -37,8 +38,9 @@ async function fetchRepoPermission(octokit: Octokit, repo: RepositoryContext, us
     });
     const permission = res.data?.permission;
     return permission;
-  } catch (e: any) {
-    if (e.status === 404 || e.status === 403) {
+  } catch (e) {
+    const status = errorStatus(e);
+    if (status === 404 || status === 403) {
       return "none";
     }
     throw e;
diff --git a/languageserver/src/value-providers/runs-on.ts b/languageserver/src/value-providers/runs-on.ts
index 47d4962..7f9969e 100644
--- a/languageserver/src/value-providers/runs-on.ts
+++ b/languageserver/src/value-providers/runs-on.ts
@@ -3,6 +3,7 @@ import {Value} from "@github/actions-languageservice/value-providers/config";
 import {DEFAULT_RUNNER_LABELS} from "@github/actions-languageservice/value-providers/default";
 import {Octokit} from "@octokit/rest";
 import {TTLCache} from "../utils/cache";
+import {errorMessage} from "../utils/error";
 
 // Limitation: getRunnerLabels returns default hosted labels and labels for repository self-hosted runners.
 // It doesn't return labels for organization runners visible to the repository.
@@ -35,7 +36,7 @@ async function fetchRunnerLabels(client: Octokit, owner: string, name: string):
       }
     }
   } catch (e) {
-    log(`Failure to retrieve runner labels: ${e}`);
+    log(`Failure to retrieve runner labels: ${errorMessage(e)}`);
   }
 
   return labels;
diff --git a/package-lock.json b/package-lock.json
index 2a45c5a..89c03a1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -157,6 +157,7 @@
         "@github/actions-languageservice": "^0.1.169",
         "@github/actions-workflow-parser": "^0.1.169",
         "@octokit/rest": "^19.0.7",
+        "@octokit/types": "^9.0.0",
         "vscode-languageserver": "^8.0.2",
         "vscode-languageserver-textdocument": "^1.0.7",
         "yaml": "^2.1.3"
@@ -174,6 +175,19 @@
         "node": ">= 16.15"
       }
     },
+    "languageserver/node_modules/@octokit/openapi-types": {
+      "version": "16.0.0",
+      "resolved": "https://registry.npmjs.org/@octokit/openapi-types/-/openapi-types-16.0.0.tgz",
+      "integrity": "sha512-JbFWOqTJVLHZSUUoF4FzAZKYtqdxWu9Z5m2QQnOyEa04fOFljvyh7D3GYKbfuaSWisqehImiVIMG4eyJeP5VEA=="
+    },
+    "languageserver/node_modules/@octokit/types": {
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/@octokit/types/-/types-9.0.0.tgz",
+      "integrity": "sha512-LUewfj94xCMH2rbD5YJ+6AQ4AVjFYTgpp6rboWM5T7N3IsIF65SBEOVcYMGAEzO/kKNiNaW4LoWtoThOhH06gw==",
+      "dependencies": {
+        "@octokit/openapi-types": "^16.0.0"
+      }
+    },
     "languageservice": {
       "name": "@github/actions-languageservice",
       "version": "0.1.169",
@@ -14830,6 +14844,7 @@
         "@github/actions-languageservice": "^0.1.169",
         "@github/actions-workflow-parser": "^0.1.169",
         "@octokit/rest": "^19.0.7",
+        "@octokit/types": "*",
         "@types/jest": "^29.0.3",
         "fetch-mock": "^9.11.0",
         "jest": "^29.0.3",
@@ -14840,6 +14855,21 @@
         "vscode-languageserver": "^8.0.2",
         "vscode-languageserver-textdocument": "^1.0.7",
         "yaml": "^2.1.3"
+      },
+      "dependencies": {
+        "@octokit/openapi-types": {
+          "version": "16.0.0",
+          "resolved": "https://registry.npmjs.org/@octokit/openapi-types/-/openapi-types-16.0.0.tgz",
+          "integrity": "sha512-JbFWOqTJVLHZSUUoF4FzAZKYtqdxWu9Z5m2QQnOyEa04fOFljvyh7D3GYKbfuaSWisqehImiVIMG4eyJeP5VEA=="
+        },
+        "@octokit/types": {
+          "version": "9.0.0",
+          "resolved": "https://registry.npmjs.org/@octokit/types/-/types-9.0.0.tgz",
+          "integrity": "sha512-LUewfj94xCMH2rbD5YJ+6AQ4AVjFYTgpp6rboWM5T7N3IsIF65SBEOVcYMGAEzO/kKNiNaW4LoWtoThOhH06gw==",
+          "requires": {
+            "@octokit/openapi-types": "^16.0.0"
+          }
+        }
       }
     },
     "@github/actions-languageservice": {