mirror of
https://github.com/googleapis/genai-toolbox.git
synced 2026-02-18 02:51:58 -05:00
a7d1d4eb2a
Adding Toolbox support for MCP. Toolbox can now be run as an MCP server. Fixes #312. --------- Co-authored-by: Jack Wotherspoon <jackwoth@google.com> Co-authored-by: Kurtis Van Gent <31518063+kurtisvg@users.noreply.github.com> Co-authored-by: Averi Kitsch <akitsch@google.com>
75 lines
1.9 KiB
Go
75 lines
1.9 KiB
Go
// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package mcp
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import (
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"encoding/json"
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"fmt"
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"github.com/googleapis/genai-toolbox/internal/tools"
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)
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func Initialize(version string) InitializeResult {
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toolsListChanged := false
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result := InitializeResult{
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ProtocolVersion: LATEST_PROTOCOL_VERSION,
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Capabilities: ServerCapabilities{
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Tools: &ListChanged{
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ListChanged: &toolsListChanged,
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},
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},
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ServerInfo: Implementation{
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Name: SERVER_NAME,
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Version: version,
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},
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}
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return result
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}
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// ToolsList return a ListToolsResult
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func ToolsList(toolset tools.Toolset) ListToolsResult {
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mcpManifest := toolset.McpManifest
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result := ListToolsResult{
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Tools: mcpManifest,
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}
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return result
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}
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// ToolCall runs tool invocation and return a CallToolResult
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func ToolCall(tool tools.Tool, params tools.ParamValues) CallToolResult {
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res, err := tool.Invoke(params)
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if err != nil {
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text := TextContent{
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Type: "text",
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Text: err.Error(),
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}
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return CallToolResult{Content: []TextContent{text}, IsError: true}
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}
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content := make([]TextContent, 0)
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for _, d := range res {
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text := TextContent{Type: "text"}
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dM, err := json.Marshal(d)
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if err != nil {
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text.Text = fmt.Sprintf("fail to marshal: %s, result: %s", err, d)
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} else {
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text.Text = string(dM)
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}
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content = append(content, text)
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}
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return CallToolResult{Content: content}
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}
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