all: fix typos (#869)

Grammar issues in docs, comments, and error messages.

Author: alexandear

docs/protocol.md

@@ -219,7 +219,7 @@ to see the logical session
 > modelcontextprotocol/modelcontextprotocol#1442 for potential refinements.
 
 _See [examples/server/distributed](../examples/server/distributed/main.go) for
-an example using statless mode to implement a server distributed across
+an example using stateless mode to implement a server distributed across
 multiple processes._
 
 ### Custom transports
@@ -264,7 +264,7 @@ and invokes the
  passed to `RequireBearerToken` to parse the token and perform validation.
 The middleware function checks expiration and scopes (if they are provided in
 [`RequireBearerTokenOptions.Scopes`](https://pkg.go.dev/github.com/modelcontextprotocol/go-sdk/auth#RequireBearerTokenOptions.Scopes)), so the
-`TokenVerifer` doesn't have to.
+`TokenVerifier` doesn't have to.
 If [`RequireBearerTokenOptions.ResourceMetadataURL`](https://pkg.go.dev/github.com/modelcontextprotocol/go-sdk/auth#RequireBearerTokenOptions.ResourceMetadataURL) is set and verification fails, 
 the middleware function sets the WWW-Authenticate header as required by the [Protected Resource
 Metadata spec](https://datatracker.ietf.org/doc/html/rfc9728).

examples/server/memory/main.go

@@ -61,7 +61,7 @@ type DeleteEntitiesArgs struct {
 
 // DeleteObservationsArgs defines the delete observations tool parameters.
 type DeleteObservationsArgs struct {
-	Deletions []Observation `json:"deletions" mcp:"obeservations to delete"`
+	Deletions []Observation `json:"deletions" mcp:"observations to delete"`
 }
 
 // DeleteRelationsArgs defines the delete relations tool parameters.

examples/server/toolschemas/main.go

@@ -36,7 +36,7 @@ func simpleGreeting(_ context.Context, _ *mcp.CallToolRequest, input Input) (*mc
 
 // manualGreeter handles the parsing and validation of input and output manually.
 //
-// Therfore, it needs to close over its resolved schemas, to use them in
+// Therefore, it needs to close over its resolved schemas, to use them in
 // validation.
 type manualGreeter struct {
 	inputSchema  *jsonschema.Resolved

internal/docs/protocol.src.md

@@ -144,7 +144,7 @@ to see the logical session
 > modelcontextprotocol/modelcontextprotocol#1442 for potential refinements.
 
 _See [examples/server/distributed](../examples/server/distributed/main.go) for
-an example using statless mode to implement a server distributed across
+an example using stateless mode to implement a server distributed across
 multiple processes._
 
 ### Custom transports
@@ -189,7 +189,7 @@ and invokes the
  passed to `RequireBearerToken` to parse the token and perform validation.
 The middleware function checks expiration and scopes (if they are provided in
 [`RequireBearerTokenOptions.Scopes`](https://pkg.go.dev/github.com/modelcontextprotocol/go-sdk/auth#RequireBearerTokenOptions.Scopes)), so the
-`TokenVerifer` doesn't have to.
+`TokenVerifier` doesn't have to.
 If [`RequireBearerTokenOptions.ResourceMetadataURL`](https://pkg.go.dev/github.com/modelcontextprotocol/go-sdk/auth#RequireBearerTokenOptions.ResourceMetadataURL) is set and verification fails, 
 the middleware function sets the WWW-Authenticate header as required by the [Protected Resource
 Metadata spec](https://datatracker.ietf.org/doc/html/rfc9728).

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 {