Add tools to add, update and delete project items

README.md

@@ -658,6 +658,19 @@ The following sets of tools are available (all are on by default):
 
 <summary>Projects</summary>
 
+- **add_project_item** - Add project item
+  - `item_id`: The numeric ID of the issue or pull request to add to the project. (number, required)
+  - `item_type`: The item's type, either issue or pull_request. (string, 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)
+
+- **delete_project_item** - Delete project item
+  - `item_id`: The internal project item ID to delete from the project (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)
+
 - **get_project** - Get project
   - `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)
@@ -694,6 +707,13 @@ 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>

internal/ghmcp/server.go

@@ -118,8 +118,8 @@ func NewMCPServer(cfg MCPServerConfig) (*server.MCPServer, error) {
 
 	// Generate instructions based on enabled toolsets
 	instructions := github.GenerateInstructions(enabledToolsets)
-	
-	ghServer := github.NewServer(cfg.Version, 
+
+	ghServer := github.NewServer(cfg.Version,
 		server.WithInstructions(instructions),
 		server.WithHooks(hooks),
 	)

pkg/github/__toolsnaps__/add_project_item.snap

@@ -0,0 +1,48 @@
+{
+  "annotations": {
+    "title": "Add project item",
+    "readOnlyHint": false
+  },
+  "description": "Add a specific Project item for a user or org",
+  "inputSchema": {
+    "properties": {
+      "item_id": {
+        "description": "The numeric ID of the issue or pull request to add to the project.",
+        "type": "number"
+      },
+      "item_type": {
+        "description": "The item's type, either issue or pull_request.",
+        "enum": [
+          "issue",
+          "pull_request"
+        ],
+        "type": "string"
+      },
+      "owner": {
+        "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.",
+        "type": "string"
+      },
+      "owner_type": {
+        "description": "Owner type",
+        "enum": [
+          "user",
+          "org"
+        ],
+        "type": "string"
+      },
+      "project_number": {
+        "description": "The project's number.",
+        "type": "number"
+      }
+    },
+    "required": [
+      "owner_type",
+      "owner",
+      "project_number",
+      "item_type",
+      "item_id"
+    ],
+    "type": "object"
+  },
+  "name": "add_project_item"
+}

pkg/github/__toolsnaps__/delete_project_item.snap

@@ -0,0 +1,39 @@
+{
+  "annotations": {
+    "title": "Delete project item",
+    "readOnlyHint": false
+  },
+  "description": "Delete a specific Project item for a user or org",
+  "inputSchema": {
+    "properties": {
+      "item_id": {
+        "description": "The internal project item ID to delete from the project (not the issue or pull request ID).",
+        "type": "number"
+      },
+      "owner": {
+        "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.",
+        "type": "string"
+      },
+      "owner_type": {
+        "description": "Owner type",
+        "enum": [
+          "user",
+          "org"
+        ],
+        "type": "string"
+      },
+      "project_number": {
+        "description": "The project's number.",
+        "type": "number"
+      }
+    },
+    "required": [
+      "owner_type",
+      "owner",
+      "project_number",
+      "item_id"
+    ],
+    "type": "object"
+  },
+  "name": "delete_project_item"
+}

pkg/github/__toolsnaps__/update_project_item.snap

@@ -0,0 +1,44 @@
+{
+  "annotations": {
+    "title": "Update project item",
+    "readOnlyHint": false
+  },
+  "description": "Update a specific Project item for a user or org",
+  "inputSchema": {
+    "properties": {
+      "fields": {
+        "description": "A list of field updates to apply.",
+        "type": "array"
+      },
+      "item_id": {
+        "description": "The numeric ID of the project item to update (not the issue or pull request ID).",
+        "type": "number"
+      },
+      "owner": {
+        "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.",
+        "type": "string"
+      },
+      "owner_type": {
+        "description": "Owner type",
+        "enum": [
+          "user",
+          "org"
+        ],
+        "type": "string"
+      },
+      "project_number": {
+        "description": "The project's number.",
+        "type": "number"
+      }
+    },
+    "required": [
+      "owner_type",
+      "owner",
+      "project_number",
+      "item_id",
+      "fields"
+    ],
+    "type": "object"
+  },
+  "name": "update_project_item"
+}

pkg/github/instructions.go

@@ -12,21 +12,21 @@ func GenerateInstructions(enabledToolsets []string) string {
 	if os.Getenv("DISABLE_INSTRUCTIONS") == "true" {
 		return "" // Baseline mode
 	}
-	
+
 	var instructions []string
-	
+
 	// Core instruction - always included if context toolset enabled
 	if slices.Contains(enabledToolsets, "context") {
 		instructions = append(instructions, "Always call 'get_me' first to understand current user permissions and context.")
 	}
-	
+
 	// Individual toolset instructions
 	for _, toolset := range enabledToolsets {
 		if inst := getToolsetInstructions(toolset); inst != "" {
 			instructions = append(instructions, inst)
 		}
 	}
-	
+
 	// Base instruction with context management
 	baseInstruction := `The GitHub MCP Server provides tools to interact with GitHub platform.
 
@@ -40,7 +40,7 @@ Context management:
 
 	allInstructions := []string{baseInstruction}
 	allInstructions = append(allInstructions, instructions...)
-	
+
 	return strings.Join(allInstructions, " ")
 }
 
@@ -57,4 +57,3 @@ func getToolsetInstructions(toolset string) string {
 		return ""
 	}
 }
-

pkg/github/instructions_test.go

@@ -163,4 +163,4 @@ func TestGetToolsetInstructions(t *testing.T) {
 			}
 		})
 	}
-}
+}