diff --git a/README.md b/README.md
index bd0963abf..fc8fae03e 100644
--- a/README.md
+++ b/README.md
@@ -707,13 +707,6 @@ The following sets of tools are available (all are on by default):
   - `per_page`: Number of results per page (max 100, default: 30) (number, optional)
   - `query`: Filter projects by a search query (matches title and description) (string, optional)
 
-- **update_project_item** - Update project item
-  - `fields`: A list of field updates to apply. (array, required)
-  - `item_id`: The numeric ID of the project item to update (not the issue or pull request ID). (number, required)
-  - `owner`: If owner_type == user it is the handle for the GitHub user account. If owner_type == org it is the name of the organization. The name is not case sensitive. (string, required)
-  - `owner_type`: Owner type (string, required)
-  - `project_number`: The project's number. (number, required)
-
 </details>
 
 <details>
diff --git a/go.mod b/go.mod
index 73a043f8c..61b4b971a 100644
--- a/go.mod
+++ b/go.mod
@@ -31,7 +31,7 @@ require (
 	github.com/fsnotify/fsnotify v1.8.0 // indirect
 	github.com/go-viper/mapstructure/v2 v2.4.0
 	github.com/google/go-github/v71 v71.0.0 // indirect
-	github.com/google/go-querystring v1.1.0 // indirect
+	github.com/google/go-querystring v1.1.0
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/gorilla/mux v1.8.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
diff --git a/pkg/github/projects.go b/pkg/github/projects.go
index 09bcbd5ed..95b859c03 100644
--- a/pkg/github/projects.go
+++ b/pkg/github/projects.go
@@ -621,138 +621,6 @@ func DeleteProjectItem(getClient GetClientFn, t translations.TranslationHelperFu
 		}
 }
 
-func UpdateProjectItem(getClient GetClientFn, t translations.TranslationHelperFunc) (tool mcp.Tool, handler server.ToolHandlerFunc) {
-	return mcp.NewTool("update_project_item",
-			mcp.WithDescription(t("TOOL_UPDATE_PROJECT_ITEM_DESCRIPTION", "Update a specific Project item for a user or org")),
-			mcp.WithToolAnnotation(mcp.ToolAnnotation{Title: t("TOOL_UPDATE_PROJECT_ITEM_USER_TITLE", "Update project item"), ReadOnlyHint: ToBoolPtr(false)}),
-			mcp.WithString("owner_type", mcp.Required(), mcp.Description("Owner type"), mcp.Enum("user", "org")),
-			mcp.WithString("owner", mcp.Required(), mcp.Description("If owner_type == user it is the handle for the GitHub user account. If owner_type == org it is the name of the organization. The name is not case sensitive.")),
-			mcp.WithNumber("project_number", mcp.Required(), mcp.Description("The project's number.")),
-			mcp.WithNumber("item_id", mcp.Required(), mcp.Description("The numeric ID of the project item to update (not the issue or pull request ID).")),
-			mcp.WithArray("fields", mcp.Required(), mcp.Description("A list of field updates to apply.")),
-		), func(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
-			owner, err := RequiredParam[string](req, "owner")
-			if err != nil {
-				return mcp.NewToolResultError(err.Error()), nil
-			}
-			ownerType, err := RequiredParam[string](req, "owner_type")
-			if err != nil {
-				return mcp.NewToolResultError(err.Error()), nil
-			}
-			projectNumber, err := RequiredInt(req, "project_number")
-			if err != nil {
-				return mcp.NewToolResultError(err.Error()), nil
-			}
-			itemID, err := RequiredInt(req, "item_id")
-			if err != nil {
-				return mcp.NewToolResultError(err.Error()), nil
-			}
-			client, err := getClient(ctx)
-			if err != nil {
-				return mcp.NewToolResultError(err.Error()), nil
-			}
-			fieldsParam, ok := req.GetArguments()["fields"]
-			if !ok {
-				return mcp.NewToolResultError("missing required parameter: fields"), nil
-			}
-
-			rawFields, ok := fieldsParam.([]any)
-			if !ok {
-				return mcp.NewToolResultError("parameter fields must be an array of objects"), nil
-			}
-			if len(rawFields) == 0 {
-				return mcp.NewToolResultError("fields must contain at least one field update"), nil
-			}
-
-			var projectsURL string
-			if ownerType == "org" {
-				projectsURL = fmt.Sprintf("orgs/%s/projectsV2/%d/items/%d", owner, projectNumber, itemID)
-			} else {
-				projectsURL = fmt.Sprintf("users/%s/projectsV2/%d/items/%d", owner, projectNumber, itemID)
-			}
-
-			updateFields := make([]*newProjectV2Field, 0, len(rawFields))
-			for idx, rawField := range rawFields {
-				fieldMap, ok := rawField.(map[string]any)
-				if !ok {
-					return mcp.NewToolResultError(fmt.Sprintf("fields[%d] must be an object", idx)), nil
-				}
-
-				rawID, ok := fieldMap["id"]
-				if !ok {
-					return mcp.NewToolResultError(fmt.Sprintf("fields[%d] is missing 'id'", idx)), nil
-				}
-
-				var fieldID int64
-				switch v := rawID.(type) {
-				case float64:
-					fieldID = int64(v)
-				case int64:
-					fieldID = v
-				case json.Number:
-					n, convErr := v.Int64()
-					if convErr != nil {
-						return mcp.NewToolResultError(fmt.Sprintf("fields[%d].id must be a numeric value", idx)), nil
-					}
-					fieldID = n
-				default:
-					return mcp.NewToolResultError(fmt.Sprintf("fields[%d].id must be a numeric value", idx)), nil
-				}
-
-				value, ok := fieldMap["value"]
-				if !ok {
-					return mcp.NewToolResultError(fmt.Sprintf("fields[%d] is missing 'value'", idx)), nil
-				}
-
-				updateFields = append(updateFields, &newProjectV2Field{
-					ID:    github.Ptr(fieldID),
-					Value: value,
-				})
-			}
-
-			updateProjectItemOptions := &updateProjectItemOptions{Fields: updateFields}
-
-			httpRequest, err := client.NewRequest("PATCH", projectsURL, updateProjectItemOptions)
-			if err != nil {
-				return nil, fmt.Errorf("failed to create request: %w", err)
-			}
-
-			updatedItem := projectV2Item{}
-			resp, err := client.Do(ctx, httpRequest, &updatedItem)
-			if err != nil {
-				return ghErrors.NewGitHubAPIErrorResponse(ctx,
-					"failed to update a project item",
-					resp,
-					err,
-				), nil
-			}
-			defer func() { _ = resp.Body.Close() }()
-
-			if resp.StatusCode != http.StatusOK {
-				body, err := io.ReadAll(resp.Body)
-				if err != nil {
-					return nil, fmt.Errorf("failed to read response body: %w", err)
-				}
-				return mcp.NewToolResultError(fmt.Sprintf("failed to update a project item: %s", string(body))), nil
-			}
-			r, err := json.Marshal(convertToMinimalProjectItem(&updatedItem))
-			if err != nil {
-				return nil, fmt.Errorf("failed to marshal response: %w", err)
-			}
-
-			return mcp.NewToolResultText(string(r)), nil
-		}
-}
-
-type updateProjectItemOptions struct {
-	Fields []*newProjectV2Field `json:"fields,omitempty"`
-}
-
-type newProjectV2Field struct {
-	ID    *int64 `json:"id,omitempty"`
-	Value any    `json:"value,omitempty"`
-}
-
 type newProjectItem struct {
 	ID   int64  `json:"id,omitempty"` // Issue or Pull Request ID to add to the project.
 	Type string `json:"type,omitempty"`
diff --git a/pkg/github/projects_test.go b/pkg/github/projects_test.go
index 628bad8fb..19f23510b 100644
--- a/pkg/github/projects_test.go
+++ b/pkg/github/projects_test.go
@@ -1311,238 +1311,3 @@ func Test_DeleteProjectItem(t *testing.T) {
 		})
 	}
 }
-
-func Test_UpdateProjectItem(t *testing.T) {
-	mockClient := gh.NewClient(nil)
-	tool, _ := UpdateProjectItem(stubGetClientFn(mockClient), translations.NullTranslationHelper)
-	require.NoError(t, toolsnaps.Test(tool.Name, tool))
-
-	assert.Equal(t, "update_project_item", tool.Name)
-	assert.NotEmpty(t, tool.Description)
-	assert.Contains(t, tool.InputSchema.Properties, "owner_type")
-	assert.Contains(t, tool.InputSchema.Properties, "owner")
-	assert.Contains(t, tool.InputSchema.Properties, "project_number")
-	assert.Contains(t, tool.InputSchema.Properties, "item_id")
-	assert.Contains(t, tool.InputSchema.Properties, "fields")
-	assert.ElementsMatch(t, tool.InputSchema.Required, []string{"owner_type", "owner", "project_number", "item_id", "fields"})
-
-	orgUpdated := map[string]any{
-		"id":           801,
-		"content_type": "Issue",
-		"creator":      map[string]any{"login": "octocat"},
-	}
-	userUpdated := map[string]any{
-		"id":           901,
-		"content_type": "PullRequest",
-		"creator":      map[string]any{"login": "hubot"},
-	}
-
-	tests := []struct {
-		name                 string
-		mockedClient         *http.Client
-		requestArgs          map[string]any
-		expectError          bool
-		expectedErrMsg       string
-		expectedID           int
-		expectedCreatorLogin string
-	}{
-		{
-			name: "success organization update",
-			mockedClient: mock.NewMockedHTTPClient(
-				mock.WithRequestMatchHandler(
-					mock.EndpointPattern{Pattern: "/orgs/{org}/projectsV2/{project}/items/{item_id}", Method: http.MethodPatch},
-					http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-						body, err := io.ReadAll(r.Body)
-						assert.NoError(t, err)
-						var payload struct {
-							Fields []struct {
-								ID    int         `json:"id"`
-								Value interface{} `json:"value"`
-							} `json:"fields"`
-						}
-						assert.NoError(t, json.Unmarshal(body, &payload))
-						assert.Len(t, payload.Fields, 1)
-						if len(payload.Fields) == 1 {
-							assert.Equal(t, 123, payload.Fields[0].ID)
-							assert.Equal(t, "In Progress", payload.Fields[0].Value)
-						}
-						w.WriteHeader(http.StatusOK)
-						_, _ = w.Write(mock.MustMarshal(orgUpdated))
-					}),
-				),
-			),
-			requestArgs: map[string]any{
-				"owner":          "octo-org",
-				"owner_type":     "org",
-				"project_number": float64(111),
-				"item_id":        float64(2222),
-				"fields": []any{
-					map[string]any{"id": float64(123), "value": "In Progress"},
-				},
-			},
-			expectedID:           801,
-			expectedCreatorLogin: "octocat",
-		},
-		{
-			name: "success user update",
-			mockedClient: mock.NewMockedHTTPClient(
-				mock.WithRequestMatchHandler(
-					mock.EndpointPattern{Pattern: "/users/{user}/projectsV2/{project}/items/{item_id}", Method: http.MethodPatch},
-					http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-						body, err := io.ReadAll(r.Body)
-						assert.NoError(t, err)
-						var payload map[string]any
-						assert.NoError(t, json.Unmarshal(body, &payload))
-						fields, ok := payload["fields"].([]any)
-						assert.True(t, ok)
-						assert.Len(t, fields, 1)
-						w.WriteHeader(http.StatusOK)
-						_, _ = w.Write(mock.MustMarshal(userUpdated))
-					}),
-				),
-			),
-			requestArgs: map[string]any{
-				"owner":          "octocat",
-				"owner_type":     "user",
-				"project_number": float64(222),
-				"item_id":        float64(3333),
-				"fields": []any{
-					map[string]any{"id": float64(456), "value": 42},
-				},
-			},
-			expectedID:           901,
-			expectedCreatorLogin: "hubot",
-		},
-		{
-			name: "api error",
-			mockedClient: mock.NewMockedHTTPClient(
-				mock.WithRequestMatchHandler(
-					mock.EndpointPattern{Pattern: "/orgs/{org}/projectsV2/{project}/items/{item_id}", Method: http.MethodPatch},
-					mockResponse(t, http.StatusInternalServerError, map[string]string{"message": "boom"}),
-				),
-			),
-			requestArgs: map[string]any{
-				"owner":          "octo-org",
-				"owner_type":     "org",
-				"project_number": float64(333),
-				"item_id":        float64(4444),
-				"fields": []any{
-					map[string]any{"id": float64(789), "value": "Done"},
-				},
-			},
-			expectError:    true,
-			expectedErrMsg: "failed to update a project item",
-		},
-		{
-			name:         "missing owner",
-			mockedClient: mock.NewMockedHTTPClient(),
-			requestArgs: map[string]any{
-				"owner_type":     "org",
-				"project_number": float64(1),
-				"item_id":        float64(1),
-				"fields":         []any{map[string]any{"id": float64(1), "value": "X"}},
-			},
-			expectError: true,
-		},
-		{
-			name:         "missing owner_type",
-			mockedClient: mock.NewMockedHTTPClient(),
-			requestArgs: map[string]any{
-				"owner":          "octo-org",
-				"project_number": float64(1),
-				"item_id":        float64(1),
-				"fields":         []any{map[string]any{"id": float64(1), "value": "X"}},
-			},
-			expectError: true,
-		},
-		{
-			name:         "missing project_number",
-			mockedClient: mock.NewMockedHTTPClient(),
-			requestArgs: map[string]any{
-				"owner":      "octo-org",
-				"owner_type": "org",
-				"item_id":    float64(1),
-				"fields":     []any{map[string]any{"id": float64(1), "value": "X"}},
-			},
-			expectError: true,
-		},
-		{
-			name:         "missing item_id",
-			mockedClient: mock.NewMockedHTTPClient(),
-			requestArgs: map[string]any{
-				"owner":          "octo-org",
-				"owner_type":     "org",
-				"project_number": float64(1),
-				"fields":         []any{map[string]any{"id": float64(1), "value": "X"}},
-			},
-			expectError: true,
-		},
-		{
-			name:         "missing fields",
-			mockedClient: mock.NewMockedHTTPClient(),
-			requestArgs: map[string]any{
-				"owner":          "octo-org",
-				"owner_type":     "org",
-				"project_number": float64(1),
-				"item_id":        float64(1),
-			},
-			expectError:    true,
-			expectedErrMsg: "missing required parameter: fields",
-		},
-		{
-			name:         "empty fields",
-			mockedClient: mock.NewMockedHTTPClient(),
-			requestArgs: map[string]any{
-				"owner":          "octo-org",
-				"owner_type":     "org",
-				"project_number": float64(1),
-				"item_id":        float64(1),
-				"fields":         []any{},
-			},
-			expectError:    true,
-			expectedErrMsg: "fields must contain at least one field update",
-		},
-	}
-
-	for _, tc := range tests {
-		t.Run(tc.name, func(t *testing.T) {
-			client := gh.NewClient(tc.mockedClient)
-			_, handler := UpdateProjectItem(stubGetClientFn(client), translations.NullTranslationHelper)
-			request := createMCPRequest(tc.requestArgs)
-			result, err := handler(context.Background(), request)
-
-			require.NoError(t, err)
-			if tc.expectError {
-				require.True(t, result.IsError)
-				text := getTextResult(t, result).Text
-				if tc.expectedErrMsg != "" {
-					assert.Contains(t, text, tc.expectedErrMsg)
-				}
-				switch tc.name {
-				case "missing owner":
-					assert.Contains(t, text, "missing required parameter: owner")
-				case "missing owner_type":
-					assert.Contains(t, text, "missing required parameter: owner_type")
-				case "missing project_number":
-					assert.Contains(t, text, "missing required parameter: project_number")
-				case "missing item_id":
-					assert.Contains(t, text, "missing required parameter: item_id")
-				}
-				return
-			}
-
-			require.False(t, result.IsError)
-			textContent := getTextResult(t, result)
-			var item map[string]any
-			require.NoError(t, json.Unmarshal([]byte(textContent.Text), &item))
-			if tc.expectedID != 0 {
-				assert.Equal(t, float64(tc.expectedID), item["id"])
-			}
-			if tc.expectedCreatorLogin != "" {
-				creator, ok := item["creator"].(map[string]any)
-				require.True(t, ok)
-				assert.Equal(t, tc.expectedCreatorLogin, creator["login"])
-			}
-		})
-	}
-}
diff --git a/pkg/github/tools.go b/pkg/github/tools.go
index dec0a9e37..147d2347d 100644
--- a/pkg/github/tools.go
+++ b/pkg/github/tools.go
@@ -202,7 +202,6 @@ func DefaultToolsetGroup(readOnly bool, getClient GetClientFn, getGQLClient GetG
 		AddWriteTools(
 			toolsets.NewServerTool(AddProjectItem(getClient, t)),
 			toolsets.NewServerTool(DeleteProjectItem(getClient, t)),
-			toolsets.NewServerTool(UpdateProjectItem(getClient, t)),
 		)
 
 	// Add toolsets to the group