// Configuration constants for MCP SSH Manager
// Output limits to prevent Claude Code crashes
export const OUTPUT_LIMITS = {
// Maximum length of stdout/stderr in responses (characters)
MAX_OUTPUT_LENGTH: process.env.MCP_SSH_MAX_OUTPUT_LENGTH
? parseInt(process.env.MCP_SSH_MAX_OUTPUT_LENGTH)
: 10000,
// Maximum length for log file tailing
MAX_TAIL_LINES: process.env.MCP_SSH_MAX_TAIL_LINES
? parseInt(process.env.MCP_SSH_MAX_TAIL_LINES)
: 100,
// Maximum length for rsync verbose output
MAX_RSYNC_OUTPUT: process.env.MCP_SSH_MAX_RSYNC_OUTPUT
? parseInt(process.env.MCP_SSH_MAX_RSYNC_OUTPUT)
: 5000,
};
// Timeout configuration
export const TIMEOUTS = {
// Default command execution timeout (milliseconds)
DEFAULT_COMMAND_TIMEOUT: process.env.MCP_SSH_DEFAULT_TIMEOUT
? parseInt(process.env.MCP_SSH_DEFAULT_TIMEOUT)
: 120000, // 2 minutes
// Maximum allowed command timeout (milliseconds)
MAX_COMMAND_TIMEOUT: process.env.MCP_SSH_MAX_TIMEOUT
? parseInt(process.env.MCP_SSH_MAX_TIMEOUT)
: 300000, // 5 minutes
// Connection timeout (milliseconds)
CONNECTION_TIMEOUT: process.env.MCP_SSH_CONNECTION_TIMEOUT
? parseInt(process.env.MCP_SSH_CONNECTION_TIMEOUT)
: 1800000, // 30 minutes
// Keepalive interval (milliseconds)
KEEPALIVE_INTERVAL: process.env.MCP_SSH_KEEPALIVE_INTERVAL
? parseInt(process.env.MCP_SSH_KEEPALIVE_INTERVAL)
: 60000, // 1 minute
};
// Response formatting
export const RESPONSE_FORMAT = {
// Whether to use compact JSON (no formatting)
COMPACT_JSON: process.env.MCP_SSH_COMPACT_JSON === 'true',
// Whether to include debug information in responses
INCLUDE_DEBUG_INFO: process.env.MCP_SSH_DEBUG === 'true',
};
// Helper function to truncate output
export function truncateOutput(text, maxLength = OUTPUT_LIMITS.MAX_OUTPUT_LENGTH) {
if (!text) return '';
if (text.length <= maxLength) return text;
const truncated = text.length - maxLength;
return text.substring(0, maxLength) + `\n\n... [${truncated} characters truncated]`;
}
// Helper function to format JSON response
export function formatJSONResponse(data) {
return JSON.stringify(
data,
null,
RESPONSE_FORMAT.COMPACT_JSON ? 0 : 2
);
}
