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feat: add call mcp server to schema #2

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1 change: 1 addition & 0 deletions constants.go
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Original file line number Diff line number Diff line change
Expand Up @@ -123,4 +123,5 @@ const (
propThen = "then"
propWorkflowType = "workflowType"
propVersion = "version"
propHttp = "http"
)
146 changes: 145 additions & 1 deletion definitions.go
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Original file line number Diff line number Diff line change
Expand Up @@ -187,7 +187,7 @@ var callTaskDefinition = &jsonschema.Schema{
Properties: map[string]*jsonschema.Schema{
propCall: {
Type: typeString,
Const: utils.Ptr[any]("http"),
Const: utils.Ptr[any](propHttp),
},
propWith: {
Type: typeObject,
Expand Down Expand Up @@ -254,6 +254,150 @@ var callTaskDefinition = &jsonschema.Schema{
},
},
},
{
Type: typeObject,
Title: "CallMCP",
Description: "Defines the MCP call to perform.",
UnevaluatedProperties: falseSchema(),
Required: []string{propCall, propWith},
AllOf: []*jsonschema.Schema{
{Ref: SchemaRef("taskBase")},
{
Properties: map[string]*jsonschema.Schema{
propCall: {
Type: typeString,
Const: utils.Ptr[any]("mcp"),
},
propWith: {
Type: typeObject,
Title: "MCPArguments",
Description: "The MCP call arguments.",
UnevaluatedProperties: falseSchema(),
Required: []string{propMethod, "transport"},
Properties: map[string]*jsonschema.Schema{
propMethod: {
Type: typeString,
Enum: []any{
"tools/list",
"tools/call",
"prompts/list",
"prompts/get",
"resources/list",
"resources/read",
"resources/templates/list",
},
Title: "McpMethod",
Description: "The MCP method to call.",
},
"parameters": {
Title: "McpMethodParameters",
Description: "The MCP method parameters.",
OneOf: []*jsonschema.Schema{
{
Type: typeObject,
AdditionalProperties: falseSchema(),
},
{
Type: typeString,
},
},
},
"timeout": {
Title: "McpCallTimeout",
Description: "The duration after which the MCP call times out.",
Ref: SchemaRef("duration"),
},
"transport": {
Type: typeObject,
Title: "McpCallTransport",
Description: "The transport to use to perform the MCP call.",
Properties: map[string]*jsonschema.Schema{
propHttp: {
Type: typeObject,
Title: "McpHttpTransport",
Description: "The definition of the HTTP transport to use.",
Required: []string{"endpoint"},
Properties: map[string]*jsonschema.Schema{
"endpoint": {
Ref: SchemaRef("endpoint"),
Title: "McpHttpTransportEndpoint",
Description: "The MCP server endpoint to connect to.",
},
"headers": {
Type: typeObject,
AdditionalProperties: &jsonschema.Schema{
Type: typeString,
},
Title: "McpHttpTransportHeaders",
Description: "A key/value mapping of the HTTP headers to send with requests, if any.",
},
},
},
"stdio": {
Type: typeObject,
Title: "McpStdioTransport",
Description: "The definition of the STDIO transport to use.",
Required: []string{"command"},
Properties: map[string]*jsonschema.Schema{
"command": {
Type: typeString,
Title: "McpStdioTransportCommand",
Description: "The command used to run the MCP server.",
},
"arguments": {
Type: typeArray,
Items: &jsonschema.Schema{
Type: typeString,
},
Title: "McpStdioTransportArguments",
Description: "An optional list of arguments to pass to the command.",
},
"environment": {
Type: typeObject,
AdditionalProperties: &jsonschema.Schema{
Type: typeString,
},
Title: "McpStdioTransportEnvironment",
Description: "A key/value mapping, if any, of environment variables used to configure the MCP server.",
},
},
},
"options": {
Type: typeObject,
AdditionalProperties: &jsonschema.Schema{
Type: typeObject,
},
},
},
OneOf: []*jsonschema.Schema{
{Required: []string{propHttp}},
{Required: []string{"stdio"}},
},
},
"client": {
Type: typeObject,
Title: "McpClient",
Description: "Describes the client used to perform the MCP call.",
Required: []string{propName, propVersion},
Properties: map[string]*jsonschema.Schema{
propName: {
Type: typeString,
Title: "McpClientName",
Description: "The name of the client used to connect to the MCP server.",
},
propVersion: {
Type: typeString,
Title: "McpClientVersion",
Description: "The version of the client used to connect to the MCP server.",
},
},
},
},
},
},
},
},
},
},
}

Expand Down
4 changes: 2 additions & 2 deletions definitions_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -246,11 +246,11 @@ func TestCallTaskDefinitionVariants(t *testing.T) {
consts = append(consts, callConst(s))
}

for _, want := range []string{"activity", "grpc", "http"} {
for _, want := range []string{"activity", "grpc", "http", "mcp"} {
assert.True(t, slices.Contains(consts, want), "callTask should support %q", want)
}

for _, absent := range []string{"asyncapi", "openapi", "mcp", "a2a"} {
for _, absent := range []string{"asyncapi", "openapi", "a2a"} {
assert.False(t, slices.Contains(consts, absent), "callTask must not support %q", absent)
}
}
Expand Down
167 changes: 167 additions & 0 deletions schema.json
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Original file line number Diff line number Diff line change
Expand Up @@ -344,6 +344,173 @@
}
}
]
},
{
"type": "object",
"title": "CallMCP",
"description": "Defines the MCP call to perform.",
"required": [
"call",
"with"
],
"unevaluatedProperties": false,
"allOf": [
{
"$ref": "#/$defs/taskBase"
},
{
"properties": {
"call": {
"type": "string",
"const": "mcp"
},
"with": {
"type": "object",
"properties": {
"client": {
"type": "object",
"properties": {
"name": {
"type": "string",
"title": "McpClientName",
"description": "The name of the client used to connect to the MCP server."
},
"version": {
"type": "string",
"title": "McpClientVersion",
"description": "The version of the client used to connect to the MCP server."
}
},
"title": "McpClient",
"description": "Describes the client used to perform the MCP call.",
"required": [
"name",
"version"
]
},
"method": {
"type": "string",
"title": "McpMethod",
"description": "The MCP method to call.",
"enum": [
"tools/list",
"tools/call",
"prompts/list",
"prompts/get",
"resources/list",
"resources/read",
"resources/templates/list"
]
},
"parameters": {
"title": "McpMethodParameters",
"description": "The MCP method parameters.",
"oneOf": [
{
"type": "object",
"additionalProperties": false
},
{
"type": "string"
}
]
},
"timeout": {
"$ref": "#/$defs/duration",
"title": "McpCallTimeout",
"description": "The duration after which the MCP call times out."
},
"transport": {
"type": "object",
"properties": {
"http": {
"type": "object",
"properties": {
"endpoint": {
"$ref": "#/$defs/endpoint",
"title": "McpHttpTransportEndpoint",
"description": "The MCP server endpoint to connect to."
},
"headers": {
"type": "object",
"title": "McpHttpTransportHeaders",
"description": "A key/value mapping of the HTTP headers to send with requests, if any.",
"additionalProperties": {
"type": "string"
}
}
},
"title": "McpHttpTransport",
"description": "The definition of the HTTP transport to use.",
"required": [
"endpoint"
]
},
"options": {
"type": "object",
"additionalProperties": {
"type": "object"
}
},
"stdio": {
"type": "object",
"properties": {
"arguments": {
"type": "array",
"items": {
"type": "string"
},
"title": "McpStdioTransportArguments",
"description": "An optional list of arguments to pass to the command."
},
"command": {
"type": "string",
"title": "McpStdioTransportCommand",
"description": "The command used to run the MCP server."
},
"environment": {
"type": "object",
"title": "McpStdioTransportEnvironment",
"description": "A key/value mapping, if any, of environment variables used to configure the MCP server.",
"additionalProperties": {
"type": "string"
}
}
},
"title": "McpStdioTransport",
"description": "The definition of the STDIO transport to use.",
"required": [
"command"
]
}
},
"title": "McpCallTransport",
"description": "The transport to use to perform the MCP call.",
"oneOf": [
{
"required": [
"http"
]
},
{
"required": [
"stdio"
]
}
]
}
},
"title": "MCPArguments",
"description": "The MCP call arguments.",
"required": [
"method",
"transport"
],
"unevaluatedProperties": false
}
}
}
]
}
]
},
Expand Down
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