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feat: add MCP tool signature to Responses API (#2232)

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Ashwin Bharambe 2025-05-22 16:43:08 -07:00 • committed by GitHub
parent 8feb1827c8
commit d8c6ab9bfc
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3 changed files with 195 additions and 2 deletions
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110
docs/_static/llama-stack-spec.html vendored
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@ -6742,6 +6742,9 @@
},
{
"$ref": "#/components/schemas/OpenAIResponseInputToolFunction"
},
{
"$ref": "#/components/schemas/OpenAIResponseInputToolMCP"
}
],
"discriminator": {
@ -6749,7 +6752,8 @@
"mapping": {
"web_search": "#/components/schemas/OpenAIResponseInputToolWebSearch",
"file_search": "#/components/schemas/OpenAIResponseInputToolFileSearch",
"function": "#/components/schemas/OpenAIResponseInputToolFunction"
"function": "#/components/schemas/OpenAIResponseInputToolFunction",
"mcp": "#/components/schemas/OpenAIResponseInputToolMCP"
}
}
},
@ -6839,6 +6843,110 @@
],
"title": "OpenAIResponseInputToolFunction"
},
"OpenAIResponseInputToolMCP": {
"type": "object",
"properties": {
"type": {
"type": "string",
"const": "mcp",
"default": "mcp"
},
"server_label": {
"type": "string"
},
"server_url": {
"type": "string"
},
"headers": {
"type": "object",
"additionalProperties": {
"oneOf": [
{
"type": "null"
},
{
"type": "boolean"
},
{
"type": "number"
},
{
"type": "string"
},
{
"type": "array"
},
{
"type": "object"
}
]
}
},
"require_approval": {
"oneOf": [
{
"type": "string",
"const": "always"
},
{
"type": "string",
"const": "never"
},
{
"type": "object",
"properties": {
"always": {
"type": "array",
"items": {
"type": "string"
}
},
"never": {
"type": "array",
"items": {
"type": "string"
}
}
},
"additionalProperties": false,
"title": "ApprovalFilter"
}
],
"default": "never"
},
"allowed_tools": {
"oneOf": [
{
"type": "array",
"items": {
"type": "string"
}
},
{
"type": "object",
"properties": {
"tool_names": {
"type": "array",
"items": {
"type": "string"
}
}
},
"additionalProperties": false,
"title": "AllowedToolsFilter"
}
]
}
},
"additionalProperties": false,
"required": [
"type",
"server_label",
"server_url",
"require_approval"
],
"title": "OpenAIResponseInputToolMCP"
},
"OpenAIResponseInputToolWebSearch": {
"type": "object",
"properties": {

62
docs/_static/llama-stack-spec.yaml vendored
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@ -4762,12 +4762,14 @@ components:
- $ref: '#/components/schemas/OpenAIResponseInputToolWebSearch'
- $ref: '#/components/schemas/OpenAIResponseInputToolFileSearch'
- $ref: '#/components/schemas/OpenAIResponseInputToolFunction'
- $ref: '#/components/schemas/OpenAIResponseInputToolMCP'
discriminator:
propertyName: type
mapping:
web_search: '#/components/schemas/OpenAIResponseInputToolWebSearch'
file_search: '#/components/schemas/OpenAIResponseInputToolFileSearch'
function: '#/components/schemas/OpenAIResponseInputToolFunction'
mcp: '#/components/schemas/OpenAIResponseInputToolMCP'
OpenAIResponseInputToolFileSearch:
type: object
properties:
@ -4822,6 +4824,66 @@ components:
- type
- name
title: OpenAIResponseInputToolFunction
OpenAIResponseInputToolMCP:
type: object
properties:
type:
type: string
const: mcp
default: mcp
server_label:
type: string
server_url:
type: string
headers:
type: object
additionalProperties:
oneOf:
- type: 'null'
- type: boolean
- type: number
- type: string
- type: array
- type: object
require_approval:
oneOf:
- type: string
const: always
- type: string
const: never
- type: object
properties:
always:
type: array
items:
type: string
never:
type: array
items:
type: string
additionalProperties: false
title: ApprovalFilter
default: never
allowed_tools:
oneOf:
- type: array
items:
type: string
- type: object
properties:
tool_names:
type: array
items:
type: string
additionalProperties: false
title: AllowedToolsFilter
additionalProperties: false
required:
- type
- server_label
- server_url
- require_approval
title: OpenAIResponseInputToolMCP
OpenAIResponseInputToolWebSearch:
type: object
properties:

25
llama_stack/apis/agents/openai_responses.py
View file

@ -186,8 +186,31 @@ class OpenAIResponseInputToolFileSearch(BaseModel):
# TODO: add filters
class ApprovalFilter(BaseModel):
always: list[str] | None = None
never: list[str] | None = None
class AllowedToolsFilter(BaseModel):
tool_names: list[str] | None = None
@json_schema_type
class OpenAIResponseInputToolMCP(BaseModel):
type: Literal["mcp"] = "mcp"
server_label: str
server_url: str
headers: dict[str, Any] | None = None
require_approval: Literal["always"] | Literal["never"] | ApprovalFilter = "never"
allowed_tools: list[str] | AllowedToolsFilter | None = None
OpenAIResponseInputTool = Annotated[
OpenAIResponseInputToolWebSearch | OpenAIResponseInputToolFileSearch | OpenAIResponseInputToolFunction,
OpenAIResponseInputToolWebSearch
| OpenAIResponseInputToolFileSearch
| OpenAIResponseInputToolFunction
| OpenAIResponseInputToolMCP,
Field(discriminator="type"),
]
register_schema(OpenAIResponseInputTool, name="OpenAIResponseInputTool")