all: fix typos (#869)

Grammar issues in docs, comments, and error messages.

mcp/client.go

@@ -641,7 +641,7 @@ func (c *Client) elicit(ctx context.Context, req *ElicitRequest) (*ElicitResult,
 			}
 			err = resolved.ApplyDefaults(&res.Content)
 			if err != nil {
-				return nil, &jsonrpc.Error{Code: jsonrpc.CodeInvalidParams, Message: fmt.Sprintf("failed to apply schema defalts to elicitation result: %v", err)}
+				return nil, &jsonrpc.Error{Code: jsonrpc.CodeInvalidParams, Message: fmt.Sprintf("failed to apply schema defaults to elicitation result: %v", err)}
 			}
 		}
 		return res, nil

mcp/cmd_test.go

@@ -254,7 +254,7 @@ func TestCommandTransportTerminateDuration(t *testing.T) {
 	requireExec(t)
 
 	// Unfortunately, since it does I/O, this test needs to rely on timing (we
-	// can't use synctest). However, we can still decreate the default
+	// can't use synctest). However, we can still decrease the default
 	// termination duration to speed up the test.
 	const defaultDur = 50 * time.Millisecond
 	defer mcp.SetDefaultTerminateDuration(defaultDur)()

mcp/conformance_test.go

@@ -323,7 +323,7 @@ func runServerTest(t *testing.T, test *conformanceTest) {
 	// Before closing the stream, wait for all messages to be processed.
 	synctest.Wait()
 	if err != nil {
-		t.Fatalf("reading server messages failedd: %v", err)
+		t.Fatalf("reading server messages failed: %v", err)
 	}
 	if extra != nil {
 		t.Fatalf("got extra response: %v", extra)

mcp/protocol.go

@@ -1220,7 +1220,7 @@ type ToolChoice struct {
 
 // ElicitationCapabilities describes the capabilities for elicitation.
 //
-// If neither Form nor URL is set, the 'Form' capabilitiy is assumed.
+// If neither Form nor URL is set, the 'Form' capability is assumed.
 type ElicitationCapabilities struct {
 	Form *FormElicitationCapabilities `json:"form,omitempty"`
 	URL  *URLElicitationCapabilities  `json:"url,omitempty"`
@@ -1552,7 +1552,7 @@ type ServerCapabilities struct {
 	Logging *LoggingCapabilities `json:"logging,omitempty"`
 	// Prompts is present if the server supports prompts.
 	Prompts *PromptCapabilities `json:"prompts,omitempty"`
-	// Resources is present if the server supports resourcs.
+	// Resources is present if the server supports resources.
 	Resources *ResourceCapabilities `json:"resources,omitempty"`
 	// Tools is present if the supports tools.
 	Tools *ToolCapabilities `json:"tools,omitempty"`

mcp/server.go

@@ -1293,7 +1293,7 @@ func (ss *ServerSession) Elicit(ctx context.Context, params *ElicitParams) (*Eli
 	}
 	err = resolved.ApplyDefaults(&res.Content)
 	if err != nil {
-		return nil, fmt.Errorf("failed to apply schema defalts to elicitation result: %v", err)
+		return nil, fmt.Errorf("failed to apply schema defaults to elicitation result: %v", err)
 	}
 
 	return res, nil

mcp/streamable.go

@@ -97,7 +97,7 @@ func (i *sessionInfo) startPOST() {
 	i.refs++
 }
 
-// endPOST sigals that a request for this session is ending, starting the
+// endPOST signals that a request for this session is ending, starting the
 // timeout if there are no other requests running.
 func (i *sessionInfo) endPOST() {
 	if i.timeout <= 0 {
@@ -1203,7 +1203,7 @@ func (c *streamableServerConn) servePOST(w http.ResponseWriter, req *http.Reques
 	//
 	// Create a logical stream to track its responses.
 	// Important: don't publish the incoming messages until the stream is
-	// registered, as the server may attempt to respond to imcoming messages as
+	// registered, as the server may attempt to respond to incoming messages as
 	// soon as they're published.
 	stream, err := c.newStream(req.Context(), calls, crand.Text())
 	if err != nil {

mcp/streamable_test.go

@@ -1024,7 +1024,7 @@ func TestStreamableServerTransport(t *testing.T) {
 		{
 			name: "background",
 			// Enabling replay is necessary here because the standalone "GET" request
-			// is fully asynronous. Replay is needed to guarantee message delivery.
+			// is fully asynchronous. Replay is needed to guarantee message delivery.
 			//
 			// TODO(rfindley): this should no longer be necessary.
 			replay: true,