diff --git a/tools/grant_permissions.py b/tools/grant_permissions.py
index 956feabf..4b1c43d3 100644
--- a/tools/grant_permissions.py
+++ b/tools/grant_permissions.py
@@ -83,7 +83,7 @@ def grant_permissions():
                     CREATE LOGIN sa WITH PASSWORD = '{PASSWORD}'
                 END
                 """)
-            except:
+            except Exception:
                 pass
 
             # Switch to AdenTestDB and grant permissions
@@ -98,7 +98,7 @@ def grant_permissions():
                 END
                 """)
                 print("[OK] Created database user")
-            except:
+            except Exception:
                 pass
 
             # Grant permissions
diff --git a/tools/query_avg_salary.py b/tools/query_avg_salary.py
index ada5f585..84d8169f 100644
--- a/tools/query_avg_salary.py
+++ b/tools/query_avg_salary.py
@@ -89,9 +89,8 @@ def main():
             # Highlight the department with the highest average
             if avg_salary == highest_avg:
                 # Use special formatting for the highest
-                print(
-                    f"{'>>> ' + str(idx):<6} {department:<25} {avg_salary_str:<20} {emp_count:<12} ⭐ HIGHEST"
-                )
+                prefix = f"{'>>> ' + str(idx):<6}"
+                print(f"{prefix} {department:<25} {avg_salary_str:<20} {emp_count:<12} ⭐ HIGHEST")
             else:
                 print(f"{idx:<6} {department:<25} {avg_salary_str:<20} {emp_count:<12}")
 
diff --git a/tools/src/aden_tools/credentials/docker_hub.py b/tools/src/aden_tools/credentials/docker_hub.py
index 5354403f..81b48bb1 100644
--- a/tools/src/aden_tools/credentials/docker_hub.py
+++ b/tools/src/aden_tools/credentials/docker_hub.py
@@ -18,7 +18,9 @@ DOCKER_HUB_CREDENTIALS = {
         required=True,
         startup_required=False,
         help_url="https://hub.docker.com/settings/security",
-        description="Docker Hub personal access token (also set DOCKER_HUB_USERNAME for listing own repos)",
+        description=(
+            "Docker Hub personal access token (also set DOCKER_HUB_USERNAME for listing own repos)"
+        ),
         direct_api_key_supported=True,
         api_key_instructions="""To get a Docker Hub personal access token:
 1. Go to https://hub.docker.com/settings/security
diff --git a/tools/src/aden_tools/credentials/pipedrive.py b/tools/src/aden_tools/credentials/pipedrive.py
index 12bfc568..3b1656af 100644
--- a/tools/src/aden_tools/credentials/pipedrive.py
+++ b/tools/src/aden_tools/credentials/pipedrive.py
@@ -24,7 +24,9 @@ PIPEDRIVE_CREDENTIALS = {
         required=True,
         startup_required=False,
         help_url="https://pipedrive.readme.io/docs/core-api-concepts-about-pipedrive-api",
-        description="Pipedrive API token for CRM management (also set PIPEDRIVE_DOMAIN for custom domains)",
+        description=(
+            "Pipedrive API token for CRM management (also set PIPEDRIVE_DOMAIN for custom domains)"
+        ),
         direct_api_key_supported=True,
         api_key_instructions="""To get a Pipedrive API token:
 1. Log in to your Pipedrive account
diff --git a/tools/src/aden_tools/credentials/plaid.py b/tools/src/aden_tools/credentials/plaid.py
index 312bb931..532be9a7 100644
--- a/tools/src/aden_tools/credentials/plaid.py
+++ b/tools/src/aden_tools/credentials/plaid.py
@@ -21,7 +21,10 @@ PLAID_CREDENTIALS = {
         required=True,
         startup_required=False,
         help_url="https://dashboard.plaid.com/developers/keys",
-        description="Plaid client ID for banking data access (also set PLAID_SECRET and optionally PLAID_ENV)",
+        description=(
+            "Plaid client ID for banking data access"
+            " (also set PLAID_SECRET and optionally PLAID_ENV)"
+        ),
         direct_api_key_supported=True,
         api_key_instructions="""To get Plaid credentials:
 1. Sign up at https://dashboard.plaid.com/
diff --git a/tools/src/aden_tools/tools/airtable_tool/airtable_tool.py b/tools/src/aden_tools/tools/airtable_tool/airtable_tool.py
index 52342e51..2aaba082 100644
--- a/tools/src/aden_tools/tools/airtable_tool/airtable_tool.py
+++ b/tools/src/aden_tools/tools/airtable_tool/airtable_tool.py
@@ -159,7 +159,8 @@ def register_tools(mcp: FastMCP, credentials: Any = None) -> None:
         Args:
             base_id: The Airtable base ID (starts with 'app').
             table_name: Table name or ID.
-            records: JSON array of objects with "fields" key, e.g. '[{"fields": {"Name": "Alice"}}]'.
+            records: JSON array of objects with "fields" key,
+                e.g. '[{"fields": {"Name": "Alice"}}]'.
             typecast: If true, auto-convert values to appropriate field types.
         """
         hdrs = _get_headers()
@@ -212,7 +213,8 @@ def register_tools(mcp: FastMCP, credentials: Any = None) -> None:
         Args:
             base_id: The Airtable base ID (starts with 'app').
             table_name: Table name or ID.
-            records: JSON array of objects with "id" and "fields" keys, e.g. '[{"id": "recXXX", "fields": {"Status": "Done"}}]'.
+            records: JSON array of objects with "id" and "fields" keys,
+                e.g. '[{"id": "recXXX", "fields": {"Status": "Done"}}]'.
             typecast: If true, auto-convert values to appropriate field types.
         """
         hdrs = _get_headers()
diff --git a/tools/src/aden_tools/tools/asana_tool/asana_tool.py b/tools/src/aden_tools/tools/asana_tool/asana_tool.py
index 876e85ad..74474e97 100644
--- a/tools/src/aden_tools/tools/asana_tool/asana_tool.py
+++ b/tools/src/aden_tools/tools/asana_tool/asana_tool.py
@@ -218,7 +218,10 @@ def register_tools(
             return {"error": "task_gid is required"}
 
         params = {
-            "opt_fields": "name,notes,completed,due_on,assignee.name,projects.name,tags.name,created_at,modified_at"
+            "opt_fields": (
+                "name,notes,completed,due_on,assignee.name,"
+                "projects.name,tags.name,created_at,modified_at"
+            )
         }
         data = _get(f"tasks/{task_gid}", token, params)
         if "error" in data:
diff --git a/tools/src/aden_tools/tools/attio_tool/attio_tool.py b/tools/src/aden_tools/tools/attio_tool/attio_tool.py
index 670dfd37..4fbf84cb 100644
--- a/tools/src/aden_tools/tools/attio_tool/attio_tool.py
+++ b/tools/src/aden_tools/tools/attio_tool/attio_tool.py
@@ -295,7 +295,8 @@ def register_tools(
                 api_key = credentials.get("attio")
                 if api_key is not None and not isinstance(api_key, str):
                     raise TypeError(
-                        f"Expected string from credentials.get('attio'), got {type(api_key).__name__}"
+                        "Expected string from credentials.get('attio'), "
+                        f"got {type(api_key).__name__}"
                     )
                 if api_key is not None:
                     return api_key
diff --git a/tools/src/aden_tools/tools/attio_tool/tests/test_attio_tool.py b/tools/src/aden_tools/tools/attio_tool/tests/test_attio_tool.py
index 08e2b331..bb83dc93 100644
--- a/tools/src/aden_tools/tools/attio_tool/tests/test_attio_tool.py
+++ b/tools/src/aden_tools/tools/attio_tool/tests/test_attio_tool.py
@@ -121,7 +121,7 @@ class TestAttioClient:
         mock_request.return_value = mock_response
 
         params = {"matching_attribute": "email_addresses"}
-        result = self.client._request("PUT", "/objects/people/records", json_body={}, params=params)
+        self.client._request("PUT", "/objects/people/records", json_body={}, params=params)
 
         call_kwargs = mock_request.call_args.kwargs
         assert call_kwargs["params"] == params
@@ -283,7 +283,7 @@ class TestAttioClient:
         mock_request.return_value = mock_response
 
         entry_values = {"stage": "qualified"}
-        result = self.client.create_entry("list-1", "rec-123", entry_values=entry_values)
+        _result = self.client.create_entry("list-1", "rec-123", entry_values=entry_values)
 
         call_kwargs = mock_request.call_args.kwargs
         body = call_kwargs["json"]
diff --git a/tools/src/aden_tools/tools/azure_sql_tool/azure_sql_tool.py b/tools/src/aden_tools/tools/azure_sql_tool/azure_sql_tool.py
index e4cfe7ff..374b57c0 100644
--- a/tools/src/aden_tools/tools/azure_sql_tool/azure_sql_tool.py
+++ b/tools/src/aden_tools/tools/azure_sql_tool/azure_sql_tool.py
@@ -89,7 +89,11 @@ def register_tools(mcp: FastMCP, credentials: Any = None) -> None:
         headers, sub_id = cfg
 
         if resource_group:
-            url = f"{BASE_URL}/subscriptions/{sub_id}/resourceGroups/{resource_group}/providers/Microsoft.Sql/servers"
+            url = (
+                f"{BASE_URL}/subscriptions/{sub_id}"
+                f"/resourceGroups/{resource_group}"
+                "/providers/Microsoft.Sql/servers"
+            )
         else:
             url = f"{BASE_URL}/subscriptions/{sub_id}/providers/Microsoft.Sql/servers"
 
@@ -118,7 +122,11 @@ def register_tools(mcp: FastMCP, credentials: Any = None) -> None:
         if not resource_group or not server_name:
             return {"error": "resource_group and server_name are required"}
 
-        url = f"{BASE_URL}/subscriptions/{sub_id}/resourceGroups/{resource_group}/providers/Microsoft.Sql/servers/{server_name}"
+        url = (
+            f"{BASE_URL}/subscriptions/{sub_id}"
+            f"/resourceGroups/{resource_group}"
+            f"/providers/Microsoft.Sql/servers/{server_name}"
+        )
         data = _get(url, headers)
         if "error" in data:
             return data
@@ -140,7 +148,11 @@ def register_tools(mcp: FastMCP, credentials: Any = None) -> None:
         if not resource_group or not server_name:
             return {"error": "resource_group and server_name are required"}
 
-        url = f"{BASE_URL}/subscriptions/{sub_id}/resourceGroups/{resource_group}/providers/Microsoft.Sql/servers/{server_name}/databases"
+        url = (
+            f"{BASE_URL}/subscriptions/{sub_id}"
+            f"/resourceGroups/{resource_group}"
+            f"/providers/Microsoft.Sql/servers/{server_name}/databases"
+        )
         data = _get(url, headers)
         if "error" in data:
             return data
@@ -167,7 +179,12 @@ def register_tools(mcp: FastMCP, credentials: Any = None) -> None:
         if not resource_group or not server_name or not database_name:
             return {"error": "resource_group, server_name, and database_name are required"}
 
-        url = f"{BASE_URL}/subscriptions/{sub_id}/resourceGroups/{resource_group}/providers/Microsoft.Sql/servers/{server_name}/databases/{database_name}"
+        url = (
+            f"{BASE_URL}/subscriptions/{sub_id}"
+            f"/resourceGroups/{resource_group}"
+            f"/providers/Microsoft.Sql/servers/{server_name}"
+            f"/databases/{database_name}"
+        )
         data = _get(url, headers)
         if "error" in data:
             return data
@@ -189,7 +206,12 @@ def register_tools(mcp: FastMCP, credentials: Any = None) -> None:
         if not resource_group or not server_name:
             return {"error": "resource_group and server_name are required"}
 
-        url = f"{BASE_URL}/subscriptions/{sub_id}/resourceGroups/{resource_group}/providers/Microsoft.Sql/servers/{server_name}/firewallRules"
+        url = (
+            f"{BASE_URL}/subscriptions/{sub_id}"
+            f"/resourceGroups/{resource_group}"
+            f"/providers/Microsoft.Sql/servers/{server_name}"
+            "/firewallRules"
+        )
         data = _get(url, headers)
         if "error" in data:
             return data
diff --git a/tools/src/aden_tools/tools/databricks_tool/databricks_tool.py b/tools/src/aden_tools/tools/databricks_tool/databricks_tool.py
index 0ba1d0c1..467abdf1 100644
--- a/tools/src/aden_tools/tools/databricks_tool/databricks_tool.py
+++ b/tools/src/aden_tools/tools/databricks_tool/databricks_tool.py
@@ -75,7 +75,10 @@ def _post(host: str, endpoint: str, token: str, body: dict | None = None) -> dic
 def _auth_error() -> dict[str, Any]:
     return {
         "error": "DATABRICKS_TOKEN or DATABRICKS_HOST not set",
-        "help": "Set DATABRICKS_HOST=https://your-workspace.cloud.databricks.com and DATABRICKS_TOKEN=dapi...",
+        "help": (
+            "Set DATABRICKS_HOST=https://your-workspace.cloud.databricks.com"
+            " and DATABRICKS_TOKEN=dapi..."
+        ),
     }
 
 
diff --git a/tools/src/aden_tools/tools/google_search_console_tool/google_search_console_tool.py b/tools/src/aden_tools/tools/google_search_console_tool/google_search_console_tool.py
index f8853b2d..f84b2c4e 100644
--- a/tools/src/aden_tools/tools/google_search_console_tool/google_search_console_tool.py
+++ b/tools/src/aden_tools/tools/google_search_console_tool/google_search_console_tool.py
@@ -181,7 +181,8 @@ def register_tools(
             site_url: Site URL (e.g. "https://example.com")
 
         Returns:
-            Dict with sitemaps list (path, lastSubmitted, isPending, isSitemapsIndex, warnings, errors)
+            Dict with sitemaps list
+                (path, lastSubmitted, isPending, isSitemapsIndex, warnings, errors)
         """
         token = _get_token(credentials)
         if not token:
diff --git a/tools/src/aden_tools/tools/google_sheets_tool/google_sheets_tool.py b/tools/src/aden_tools/tools/google_sheets_tool/google_sheets_tool.py
index 1b2fe62c..d1707a94 100644
--- a/tools/src/aden_tools/tools/google_sheets_tool/google_sheets_tool.py
+++ b/tools/src/aden_tools/tools/google_sheets_tool/google_sheets_tool.py
@@ -130,7 +130,8 @@ def register_tools(
         Args:
             spreadsheet_id: The spreadsheet ID from the URL (required)
             range: A1 notation range e.g. "Sheet1!A1:D10" or "Sheet1" (required)
-            value_render: How values are rendered: FORMATTED_VALUE, UNFORMATTED_VALUE, FORMULA (default FORMATTED_VALUE)
+            value_render: How values are rendered: FORMATTED_VALUE,
+                UNFORMATTED_VALUE, or FORMULA (default FORMATTED_VALUE)
 
         Returns:
             Dict with cell values as 2D array, range info, and row/column counts
diff --git a/tools/src/aden_tools/tools/greenhouse_tool/greenhouse_tool.py b/tools/src/aden_tools/tools/greenhouse_tool/greenhouse_tool.py
index 6c20b0c9..2e48d428 100644
--- a/tools/src/aden_tools/tools/greenhouse_tool/greenhouse_tool.py
+++ b/tools/src/aden_tools/tools/greenhouse_tool/greenhouse_tool.py
@@ -64,7 +64,9 @@ def _get(path: str, token: str, params: dict[str, Any] | None = None) -> dict[st
 def _auth_error() -> dict[str, Any]:
     return {
         "error": "GREENHOUSE_API_TOKEN not set",
-        "help": "Get your API key from Greenhouse: Configure > Dev Center > API Credential Management",
+        "help": (
+            "Get your API key from Greenhouse: Configure > Dev Center > API Credential Management"
+        ),
     }
 
 
diff --git a/tools/src/aden_tools/tools/jira_tool/jira_tool.py b/tools/src/aden_tools/tools/jira_tool/jira_tool.py
index 4ec03fac..5f43536e 100644
--- a/tools/src/aden_tools/tools/jira_tool/jira_tool.py
+++ b/tools/src/aden_tools/tools/jira_tool/jira_tool.py
@@ -255,7 +255,7 @@ def register_tools(
         if priority:
             fields["priority"] = {"name": priority}
         if labels:
-            fields["labels"] = [l.strip() for l in labels.split(",") if l.strip()]
+            fields["labels"] = [item.strip() for item in labels.split(",") if item.strip()]
 
         url = f"{_base_url(domain)}/issue"
         data = _request("post", url, email, token, json={"fields": fields})
diff --git a/tools/src/aden_tools/tools/linear_tool/linear_tool.py b/tools/src/aden_tools/tools/linear_tool/linear_tool.py
index 9d6a2135..dad8c682 100644
--- a/tools/src/aden_tools/tools/linear_tool/linear_tool.py
+++ b/tools/src/aden_tools/tools/linear_tool/linear_tool.py
@@ -703,7 +703,8 @@ def register_tools(
                 # Defensive check: ensure we get a string, not a complex object
                 if api_key is not None and not isinstance(api_key, str):
                     raise TypeError(
-                        f"Expected string from credentials.get('linear'), got {type(api_key).__name__}"
+                        "Expected string from credentials.get('linear'), "
+                        f"got {type(api_key).__name__}"
                     )
                 if api_key is not None:
                     return api_key
diff --git a/tools/src/aden_tools/tools/linear_tool/tests/test_linear_tool.py b/tools/src/aden_tools/tools/linear_tool/tests/test_linear_tool.py
index d8692bf1..706511b6 100644
--- a/tools/src/aden_tools/tools/linear_tool/tests/test_linear_tool.py
+++ b/tools/src/aden_tools/tools/linear_tool/tests/test_linear_tool.py
@@ -102,7 +102,7 @@ class TestLinearClient:
         }
         mock_post.return_value = mock_response
 
-        result = self.client._execute_query(
+        _result = self.client._execute_query(
             "query Issue($id: String!) { issue(id: $id) { id title } }",
             {"id": "issue-123"},
         )
diff --git a/tools/src/aden_tools/tools/mongodb_tool/mongodb_tool.py b/tools/src/aden_tools/tools/mongodb_tool/mongodb_tool.py
index f350cb11..83a3086e 100644
--- a/tools/src/aden_tools/tools/mongodb_tool/mongodb_tool.py
+++ b/tools/src/aden_tools/tools/mongodb_tool/mongodb_tool.py
@@ -289,7 +289,8 @@ def register_tools(mcp: FastMCP, credentials: Any = None) -> None:
         Args:
             database: Database name.
             collection: Collection name.
-            pipeline: JSON array of pipeline stages (e.g. '[{"$match": {"status": "active"}}, {"$group": {"_id": "$type", "count": {"$sum": 1}}}]').
+            pipeline: JSON array of pipeline stages
+                (e.g. '[{"$match": {"status": "active"}}]').
         """
         cfg = _get_config()
         if isinstance(cfg, dict):
diff --git a/tools/src/aden_tools/tools/mssql_tool/mssql_tool.py b/tools/src/aden_tools/tools/mssql_tool/mssql_tool.py
index 3083a7c9..4307bdeb 100644
--- a/tools/src/aden_tools/tools/mssql_tool/mssql_tool.py
+++ b/tools/src/aden_tools/tools/mssql_tool/mssql_tool.py
@@ -141,7 +141,9 @@ def register_tools(
         query_upper = query.strip().upper()
         if not query_upper.startswith("SELECT") and not query_upper.startswith("WITH"):
             return {
-                "error": "Only SELECT queries are allowed. Use mssql_execute_update for modifications."
+                "error": (
+                    "Only SELECT queries are allowed. Use mssql_execute_update for modifications."
+                )
             }
 
         connection, error = _create_connection()
@@ -414,7 +416,9 @@ def register_tools(
                             i.type_desc AS INDEX_TYPE,
                             COL_NAME(ic.object_id, ic.column_id) AS COLUMN_NAME
                         FROM sys.indexes i
-                        JOIN sys.index_columns ic ON i.object_id = ic.object_id AND i.index_id = ic.index_id
+                        JOIN sys.index_columns ic
+                            ON i.object_id = ic.object_id
+                            AND i.index_id = ic.index_id
                         WHERE i.object_id = OBJECT_ID(?)
                         ORDER BY i.name, ic.key_ordinal
                     """,
diff --git a/tools/src/aden_tools/tools/notion_tool/notion_tool.py b/tools/src/aden_tools/tools/notion_tool/notion_tool.py
index 18d873ce..827394f8 100644
--- a/tools/src/aden_tools/tools/notion_tool/notion_tool.py
+++ b/tools/src/aden_tools/tools/notion_tool/notion_tool.py
@@ -212,7 +212,9 @@ def register_tools(
         Args:
             parent_database_id: ID of the parent database (required)
             title: Page title (required)
-            properties_json: Additional properties as JSON string e.g. '{"Status": {"select": {"name": "Done"}}}' (optional)
+            properties_json: Additional properties as JSON string
+                e.g. '{"Status": {"select": {"name": "Done"}}}'
+                (optional)
             content: Plain text content for the page body (optional)
 
         Returns:
diff --git a/tools/src/aden_tools/tools/pagerduty_tool/pagerduty_tool.py b/tools/src/aden_tools/tools/pagerduty_tool/pagerduty_tool.py
index f333c12f..6115b9bb 100644
--- a/tools/src/aden_tools/tools/pagerduty_tool/pagerduty_tool.py
+++ b/tools/src/aden_tools/tools/pagerduty_tool/pagerduty_tool.py
@@ -87,7 +87,8 @@ def register_tools(mcp: FastMCP, credentials: Any = None) -> None:
         """List PagerDuty incidents with optional filters.
 
         Args:
-            status: Filter by status: 'triggered', 'acknowledged', 'resolved'. Comma-separated for multiple.
+            status: Filter by status: 'triggered', 'acknowledged',
+                'resolved'. Comma-separated for multiple.
             since: Start of date range (ISO 8601, e.g. '2024-01-01T00:00:00Z').
             until: End of date range (ISO 8601).
             service_id: Filter by service ID.
diff --git a/tools/src/aden_tools/tools/pipedrive_tool/pipedrive_tool.py b/tools/src/aden_tools/tools/pipedrive_tool/pipedrive_tool.py
index 7146422d..83e22039 100644
--- a/tools/src/aden_tools/tools/pipedrive_tool/pipedrive_tool.py
+++ b/tools/src/aden_tools/tools/pipedrive_tool/pipedrive_tool.py
@@ -138,7 +138,8 @@ def register_tools(
             start: Pagination offset (default 0)
 
         Returns:
-            Dict with deals list (id, title, value, currency, status, person_name, org_name, stage_id)
+            Dict with deals list (id, title, value, currency,
+                status, person_name, org_name, stage_id)
         """
         token = _get_token(credentials)
         if not token:
diff --git a/tools/src/aden_tools/tools/pushover_tool/tests/test_pushover_tool.py b/tools/src/aden_tools/tools/pushover_tool/tests/test_pushover_tool.py
index e12276ab..1decc766 100644
--- a/tools/src/aden_tools/tools/pushover_tool/tests/test_pushover_tool.py
+++ b/tools/src/aden_tools/tools/pushover_tool/tests/test_pushover_tool.py
@@ -34,7 +34,7 @@ class TestPushoverClient:
     @patch("aden_tools.tools.pushover_tool.pushover_tool.httpx.post")
     def test_send_notification_emergency_priority(self, mock_post):
         mock_post.return_value = self._mock_response()
-        result = self.client.send_notification("Emergency!", priority=2)
+        _result = self.client.send_notification("Emergency!", priority=2)
         call_kwargs = mock_post.call_args[1]["data"]
         assert call_kwargs["retry"] == 30
         assert call_kwargs["expire"] == 3600
@@ -86,7 +86,7 @@ class TestPushoverClient:
     @patch("aden_tools.tools.pushover_tool.pushover_tool.httpx.post")
     def test_validate_user_with_device(self, mock_post):
         mock_post.return_value = self._mock_response(json_data={"status": 1, "devices": ["iphone"]})
-        result = self.client.validate_user(device="iphone")
+        _result = self.client.validate_user(device="iphone")
         call_kwargs = mock_post.call_args[1]["data"]
         assert call_kwargs["device"] == "iphone"
 
diff --git a/tools/src/aden_tools/tools/quickbooks_tool/quickbooks_tool.py b/tools/src/aden_tools/tools/quickbooks_tool/quickbooks_tool.py
index 2c733591..00effb76 100644
--- a/tools/src/aden_tools/tools/quickbooks_tool/quickbooks_tool.py
+++ b/tools/src/aden_tools/tools/quickbooks_tool/quickbooks_tool.py
@@ -69,7 +69,8 @@ def register_tools(mcp: FastMCP, credentials: Any = None) -> None:
         """Query QuickBooks entities using the query API.
 
         Args:
-            entity: Entity type to query (e.g. 'Customer', 'Invoice', 'Item', 'Vendor', 'Bill', 'Payment').
+            entity: Entity type to query (e.g. 'Customer', 'Invoice',
+                'Item', 'Vendor', 'Bill', 'Payment').
             where: Optional WHERE clause (e.g. "Active = true AND DisplayName LIKE 'ABC%'").
             order_by: Optional ORDER BY clause (e.g. "DisplayName ASC").
             max_results: Maximum results to return (default 100, max 1000).
@@ -175,7 +176,9 @@ def register_tools(mcp: FastMCP, credentials: Any = None) -> None:
 
         Args:
             customer_id: Customer ID to invoice.
-            line_items: JSON array of line items. Each item: {"description": "...", "amount": 100.00, "item_id": "1"}.
+            line_items: JSON array of line items. Each item:
+                {"description": "...", "amount": 100.00,
+                "item_id": "1"}.
         """
         cfg = _get_config()
         if isinstance(cfg, dict):
diff --git a/tools/src/aden_tools/tools/tines_tool/tines_tool.py b/tools/src/aden_tools/tools/tines_tool/tines_tool.py
index 16982593..3274bc08 100644
--- a/tools/src/aden_tools/tools/tines_tool/tines_tool.py
+++ b/tools/src/aden_tools/tools/tines_tool/tines_tool.py
@@ -232,11 +232,11 @@ def register_tools(mcp: FastMCP, credentials: Any = None) -> None:
             "count": len(logs),
             "logs": [
                 {
-                    "id": l.get("id"),
-                    "level": l.get("level"),
-                    "message": l.get("message"),
-                    "created_at": l.get("created_at"),
+                    "id": item.get("id"),
+                    "level": item.get("level"),
+                    "message": item.get("message"),
+                    "created_at": item.get("created_at"),
                 }
-                for l in logs
+                for item in logs
             ],
         }
diff --git a/tools/src/aden_tools/tools/twilio_tool/twilio_tool.py b/tools/src/aden_tools/tools/twilio_tool/twilio_tool.py
index 851f1193..fc5f2e08 100644
--- a/tools/src/aden_tools/tools/twilio_tool/twilio_tool.py
+++ b/tools/src/aden_tools/tools/twilio_tool/twilio_tool.py
@@ -141,8 +141,11 @@ def register_tools(
         Send a WhatsApp message via Twilio.
 
         Args:
-            to: Recipient phone in E.164 format e.g. "+14155552671" (required, whatsapp: prefix added automatically)
-            from_number: Sender Twilio WhatsApp number in E.164 format (required, whatsapp: prefix added automatically)
+            to: Recipient phone in E.164 format e.g. "+14155552671"
+                (required, whatsapp: prefix added automatically)
+            from_number: Sender Twilio WhatsApp number in E.164
+                format (required, whatsapp: prefix added
+                automatically)
             body: Message text (required)
 
         Returns:
diff --git a/tools/src/aden_tools/tools/youtube_tool/youtube_tool.py b/tools/src/aden_tools/tools/youtube_tool/youtube_tool.py
index b4fd48fd..4443a3af 100644
--- a/tools/src/aden_tools/tools/youtube_tool/youtube_tool.py
+++ b/tools/src/aden_tools/tools/youtube_tool/youtube_tool.py
@@ -46,7 +46,11 @@ def _request(
                 reason = errors[0].get("reason", "")
             if reason == "quotaExceeded":
                 return {
-                    "error": "YouTube API quota exceeded. Try again tomorrow or request a quota increase."
+                    "error": (
+                        "YouTube API quota exceeded."
+                        " Try again tomorrow or"
+                        " request a quota increase."
+                    )
                 }
             return {"error": f"Forbidden: {reason or resp.text}"}
         if resp.status_code != 200:
@@ -112,7 +116,9 @@ def register_tools(
             video_type: Filter by type - episode, movie, or empty for any
 
         Returns:
-            Dict with query, results list (title, videoId, channelTitle, publishedAt, description, thumbnail), and total_results count
+            Dict with query, results list (title, videoId,
+                channelTitle, publishedAt, description,
+                thumbnail), and total_results count
         """
         api_key = _get_api_key(credentials)
         if not api_key:
@@ -299,7 +305,8 @@ def register_tools(
             order: Sort order - date, viewCount, rating, relevance (default date)
 
         Returns:
-            Dict with channel_id and videos list (videoId, title, publishedAt, description, thumbnail)
+            Dict with channel_id and videos list (videoId, title,
+                publishedAt, description, thumbnail)
         """
         api_key = _get_api_key(credentials)
         if not api_key:
diff --git a/tools/src/aden_tools/tools/youtube_transcript_tool/youtube_transcript_tool.py b/tools/src/aden_tools/tools/youtube_transcript_tool/youtube_transcript_tool.py
index c70efe02..af81bbe5 100644
--- a/tools/src/aden_tools/tools/youtube_transcript_tool/youtube_transcript_tool.py
+++ b/tools/src/aden_tools/tools/youtube_transcript_tool/youtube_transcript_tool.py
@@ -45,7 +45,10 @@ def register_tools(
             from youtube_transcript_api import YouTubeTranscriptApi
         except ImportError:
             return {
-                "error": "youtube-transcript-api package not installed. Run: pip install youtube-transcript-api"
+                "error": (
+                    "youtube-transcript-api package not installed."
+                    " Run: pip install youtube-transcript-api"
+                )
             }
 
         try:
@@ -88,7 +91,10 @@ def register_tools(
             from youtube_transcript_api import YouTubeTranscriptApi
         except ImportError:
             return {
-                "error": "youtube-transcript-api package not installed. Run: pip install youtube-transcript-api"
+                "error": (
+                    "youtube-transcript-api package not installed."
+                    " Run: pip install youtube-transcript-api"
+                )
             }
 
         try:
diff --git a/tools/src/aden_tools/tools/zoho_crm_tool/zoho_crm_tool.py b/tools/src/aden_tools/tools/zoho_crm_tool/zoho_crm_tool.py
index 78e9a561..f62425c8 100644
--- a/tools/src/aden_tools/tools/zoho_crm_tool/zoho_crm_tool.py
+++ b/tools/src/aden_tools/tools/zoho_crm_tool/zoho_crm_tool.py
@@ -241,7 +241,9 @@ def register_tools(
             return {"error": "module is required"}
         if not (criteria or email or phone or word):
             return {
-                "error": "At least one search parameter is required (criteria, email, phone, or word)"
+                "error": (
+                    "At least one search parameter is required (criteria, email, phone, or word)"
+                )
             }
 
         params: dict[str, Any] = {
diff --git a/tools/tests/tools/test_attio_tool.py b/tools/tests/tools/test_attio_tool.py
index 08e2b331..f298c91e 100644
--- a/tools/tests/tools/test_attio_tool.py
+++ b/tools/tests/tools/test_attio_tool.py
@@ -121,7 +121,9 @@ class TestAttioClient:
         mock_request.return_value = mock_response
 
         params = {"matching_attribute": "email_addresses"}
-        result = self.client._request("PUT", "/objects/people/records", json_body={}, params=params)
+        _result = self.client._request(
+            "PUT", "/objects/people/records", json_body={}, params=params
+        )
 
         call_kwargs = mock_request.call_args.kwargs
         assert call_kwargs["params"] == params
@@ -283,7 +285,7 @@ class TestAttioClient:
         mock_request.return_value = mock_response
 
         entry_values = {"stage": "qualified"}
-        result = self.client.create_entry("list-1", "rec-123", entry_values=entry_values)
+        _result = self.client.create_entry("list-1", "rec-123", entry_values=entry_values)
 
         call_kwargs = mock_request.call_args.kwargs
         body = call_kwargs["json"]
diff --git a/tools/tests/tools/test_azure_sql_tool.py b/tools/tests/tools/test_azure_sql_tool.py
index 055118c9..8aeba9a8 100644
--- a/tools/tests/tools/test_azure_sql_tool.py
+++ b/tools/tests/tools/test_azure_sql_tool.py
@@ -38,7 +38,10 @@ class TestAzureSQLListServers:
         data = {
             "value": [
                 {
-                    "id": "/subscriptions/sub-123/resourceGroups/rg/providers/Microsoft.Sql/servers/myserver",
+                    "id": (
+                        "/subscriptions/sub-123/resourceGroups/rg"
+                        "/providers/Microsoft.Sql/servers/myserver"
+                    ),
                     "name": "myserver",
                     "location": "eastus",
                     "properties": {
@@ -72,7 +75,9 @@ class TestAzureSQLGetServer:
 
     def test_successful_get(self, tool_fns):
         data = {
-            "id": "/subscriptions/sub-123/resourceGroups/rg/providers/Microsoft.Sql/servers/myserver",
+            "id": (
+                "/subscriptions/sub-123/resourceGroups/rg/providers/Microsoft.Sql/servers/myserver"
+            ),
             "name": "myserver",
             "location": "eastus",
             "properties": {
diff --git a/tools/tests/tools/test_linear_tool.py b/tools/tests/tools/test_linear_tool.py
index d8692bf1..706511b6 100644
--- a/tools/tests/tools/test_linear_tool.py
+++ b/tools/tests/tools/test_linear_tool.py
@@ -102,7 +102,7 @@ class TestLinearClient:
         }
         mock_post.return_value = mock_response
 
-        result = self.client._execute_query(
+        _result = self.client._execute_query(
             "query Issue($id: String!) { issue(id: $id) { id title } }",
             {"id": "issue-123"},
         )