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Merge pull request #2011 from lightpanda-io/mcp-fixes

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MCP fixes
This commit is contained in:
Karl Seguin
2026-03-27 13:02:59 +08:00
committed by GitHub
parent 2e65ae632e 1d54e6944b
commit 0065677273
3 changed files with 49 additions and 37 deletions
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33
src/mcp/tools.zig
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@@ -172,7 +172,8 @@ pub const tool_list = [_]protocol.Tool{
pub fn handleList(server: *Server, arena: std.mem.Allocator, req: protocol.Request) !void {
_ = arena;
try server.sendResult(req.id.?, .{ .tools = &tool_list });
const id = req.id orelse return;
try server.sendResult(id, .{ .tools = &tool_list });
}
const GotoParams = struct {
@@ -205,17 +206,18 @@ const ToolStreamingText = struct {
switch (self.action) {
.markdown => lp.markdown.dump(self.page.document.asNode(), .{}, w, self.page) catch |err| {
log.err(.mcp, "markdown dump failed", .{ .err = err });
return error.WriteFailed;
},
.links => {
if (lp.links.collectLinks(self.page.call_arena, self.page.document.asNode(), self.page)) |links| {
var first = true;
for (links) |href| {
if (!first) try w.writeByte('\n');
try w.writeAll(href);
first = false;
}
} else |err| {
const links = lp.links.collectLinks(self.page.call_arena, self.page.document.asNode(), self.page) catch |err| {
log.err(.mcp, "query links failed", .{ .err = err });
return error.WriteFailed;
};
var first = true;
for (links) |href| {
if (!first) try w.writeByte('\n');
try w.writeAll(href);
first = false;
}
},
.semantic_tree => {
@@ -241,6 +243,7 @@ const ToolStreamingText = struct {
st.textStringify(w) catch |err| {
log.err(.mcp, "semantic tree dump failed", .{ .err = err });
return error.WriteFailed;
};
},
}
@@ -331,7 +334,9 @@ fn handleMarkdown(server: *Server, arena: std.mem.Allocator, id: std.json.Value,
const content = [_]protocol.TextContent(ToolStreamingText){.{
.text = .{ .page = page, .action = .markdown },
}};
try server.sendResult(id, protocol.CallToolResult(ToolStreamingText){ .content = &content });
server.sendResult(id, protocol.CallToolResult(ToolStreamingText){ .content = &content }) catch {
return server.sendError(id, .InternalError, "Failed to serialize markdown content");
};
}
fn handleLinks(server: *Server, arena: std.mem.Allocator, id: std.json.Value, arguments: ?std.json.Value) !void {
@@ -341,7 +346,9 @@ fn handleLinks(server: *Server, arena: std.mem.Allocator, id: std.json.Value, ar
const content = [_]protocol.TextContent(ToolStreamingText){.{
.text = .{ .page = page, .action = .links },
}};
try server.sendResult(id, protocol.CallToolResult(ToolStreamingText){ .content = &content });
server.sendResult(id, protocol.CallToolResult(ToolStreamingText){ .content = &content }) catch {
return server.sendError(id, .InternalError, "Failed to serialize links content");
};
}
fn handleSemanticTree(server: *Server, arena: std.mem.Allocator, id: std.json.Value, arguments: ?std.json.Value) !void {
@@ -363,7 +370,9 @@ fn handleSemanticTree(server: *Server, arena: std.mem.Allocator, id: std.json.Va
.maxDepth = args.maxDepth,
},
}};
try server.sendResult(id, protocol.CallToolResult(ToolStreamingText){ .content = &content });
server.sendResult(id, protocol.CallToolResult(ToolStreamingText){ .content = &content }) catch {
return server.sendError(id, .InternalError, "Failed to serialize semantic tree content");
};
}
fn handleInteractiveElements(server: *Server, arena: std.mem.Allocator, id: std.json.Value, arguments: ?std.json.Value) !void {