wehub-resource-sync
35 lines
1002 B
Go
35 lines
1002 B
Go
package localaitools
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import (
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"encoding/json"
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"fmt"
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"github.com/modelcontextprotocol/go-sdk/mcp"
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)
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// errorResult builds an MCP CallToolResult that surfaces err to the LLM via
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// the standard IsError + TextContent convention. The LLM is instructed (in
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// 10_safety.md) to surface tool errors verbatim.
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func errorResult(err error) *mcp.CallToolResult {
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r := &mcp.CallToolResult{}
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r.SetError(err)
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return r
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}
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// errorResultf is the printf cousin of errorResult.
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func errorResultf(format string, args ...any) *mcp.CallToolResult {
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return errorResult(fmt.Errorf(format, args...))
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}
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// jsonResult marshals v as pretty JSON and returns it as the tool's
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// TextContent payload. Errors during marshalling become tool errors.
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func jsonResult(v any) *mcp.CallToolResult {
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data, err := json.MarshalIndent(v, "", " ")
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if err != nil {
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return errorResult(fmt.Errorf("marshal tool result: %w", err))
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}
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return &mcp.CallToolResult{
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Content: []mcp.Content{&mcp.TextContent{Text: string(data)}},
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}
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}
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