| 47 | } |
| 48 | |
| 49 | func (ts *ToolSet) ReadFile(_ context.Context, |
| 50 | _ *mcp.CallToolRequest, args msi.ReadFileParams, |
| 51 | ) (*mcp.CallToolResult, *msi.ReadFileResult, error) { |
| 52 | if ts.inst == nil { |
| 53 | return nil, nil, errors.New("instance not registered") |
| 54 | } |
| 55 | guestPath, err := ts.TranslateHostPath(args.Path) |
| 56 | if err != nil { |
| 57 | return nil, nil, err |
| 58 | } |
| 59 | f, err := ts.sftp.Open(guestPath) |
| 60 | if err != nil { |
| 61 | return nil, nil, err |
| 62 | } |
| 63 | defer f.Close() |
| 64 | const limitBytes = 32 * 1024 * 1024 |
| 65 | lr := io.LimitReader(f, limitBytes) |
| 66 | b, err := io.ReadAll(lr) |
| 67 | if err != nil { |
| 68 | return nil, nil, err |
| 69 | } |
| 70 | res := &msi.ReadFileResult{ |
| 71 | Content: string(b), |
| 72 | } |
| 73 | return &mcp.CallToolResult{ |
| 74 | // Gemini: |
| 75 | // For text files: The file content, potentially prefixed with a truncation message |
| 76 | // (e.g., [File content truncated: showing lines 1-100 of 500 total lines...]\nActual file content...). |
| 77 | StructuredContent: res, |
| 78 | }, res, nil |
| 79 | } |
| 80 | |
| 81 | func (ts *ToolSet) WriteFile(_ context.Context, |
| 82 | _ *mcp.CallToolRequest, args msi.WriteFileParams, |