● Let me check if there's a glTF API endpoint to list glTFs using the gltf-live-test MCP server:
[DEBUG] executePreToolHooks called for tool: mcp__gltf-live-test__list_gltfs
[DEBUG] Executing hooks for PreToolUse:mcp__gltf-live-test__list_gltfs
[DEBUG] Getting matching hook commands for PreToolUse with query: mcp__gltf-live-test__list_gltfs
[DEBUG] Found 0 hook matchers in settings
[DEBUG] Matched 0 unique hooks for query "mcp__gltf-live-test__list_gltfs" (0 before
deduplication)
[DEBUG] Found 0 hook commands to execute
[DEBUG] MCP server "gltf-live-test": Calling MCP tool: list_gltfs
[DEBUG] MCP server "gltf-live-test": No token data found
[DEBUG] MCP server "gltf-live-test": Tool call succeeded: {"content":[],"structuredContent":{"bod
y":{"data":[{"attributes":{"extras":{"createdAt":"2025-07-23T17:03:01","importProgress":0,"import
Status":"failed","updatedAt":"2025-07-23T17:03:01"}},"id":"0198383d-0a4d-7f23-8f0c-268169207569",
"relationships":{"asset":{"data":{"id":"0198383d-0a46-79e1-bbd8-96041c1f9390","type":"asset"}},"s
cene":null,"scenes":{"data":[]}},"type":"gltf"},{"attributes":{"extras":{"createdAt":"2025-07-25T
16:58:48","importProgress":1,"importStatus":"complete","updatedAt":"2025-07-25T16:58:49"}},"id":"
01984285-e911-77c0-83c7-b1602886bb2a","relationships":{"asset":{"data":{"id":"01984285-e908-7050-
a822-9f12d0076ae9","type":"asset"}},"scene":{"data":{"id":"01984285-e9d8-7e12-806f-23f6c0f44ab9",
"type":"scene"}},"scenes":{"data":[{"id":"01984285-e9d8-7e12-806f-23f6c0f44ab9","type":"scene"}]}
},"type":"gltf"}],"included":[],"links":{"first":"/api/gltf/?page%5Bnumber%5D=1&page%5Bsize%5D=10
0","last":"/api/gltf/?page%5Bnumber%5D=2&page%5Bsize%5D=100","next":"/api/gltf/?page%5Bnumber%5D=
2&page%5Bsize%5D=100","self":"/api/gltf/"}},"status":200},"isError":false}
[DEBUG] Executing hooks for PostToolUse:mcp__gltf-live-test__list_gltfs
[DEBUG] Getting matching hook commands for PostToolUse with query:
mcp__gltf-live-test__list_gltfs
[DEBUG] Found 0 hook matchers in settings
[DEBUG] Matched 0 unique hooks for query "mcp__gltf-live-test__list_gltfs" (0 before
deduplication)
[DEBUG] Found 0 hook commands to execute
[DEBUG] Stream started - received first chunk
● It seems the API returned no glTFs.
Environment
Bug Description
When calling MCP tools, the
structuredContentfield is ignored.Steps to Reproduce
claude --debugoutputSchemaand returns `{ "content": [], "structuredContent": { ... } }Expected Behavior
Claude Code inspects
CallToolResult.structuredContentwhen it's set / whenTool.outputSchemais set.Actual Behavior
Claude Code ignores
CallToolResult.structuredContentAdditional Context
Those logs clearly show that
structuredContentis set with the relevant/expected data. And yet Claude Code says the API response is empty.