"""Common constants used in the gateway.""" IGNORED_HEADERS = [ "accept-encoding", "host", "invariant-authorization", "x-forwarded-for", "x-forwarded-host", "x-forwarded-port", "x-forwarded-proto", "x-forwarded-server", "x-real-ip", ] CLIENT_TIMEOUT = 60.0 # MCP related constants MCP_METHOD = "method" MCP_TOOL_CALL = "tools/call" MCP_LIST_TOOLS = "tools/list" MCP_PARAMS = "params" MCP_RESULT = "result" MCP_SERVER_INFO = "serverInfo" MCP_CLIENT_INFO = "clientInfo" INVARIANT_GUARDRAILS_BLOCKED_MESSAGE = """ [Invariant Guardrails] The MCP tool call was blocked for security reasons. Do not attempt to circumvent this block, rather explain to the user based on the following output what went wrong: %s """