{"domain":"openwaters.io","status":"valid","tier":"listed","authority":46,"verified":false,"title":"Open Waters","summary":"Open source marine software and data: tide and tidal current predictions, live AIS vessel traffic, nautical charts, sun and moon almanac, and crowd-sourced bathymetry. Everything is free to use; the code lives at https://github.com/openwatersio.","country":null,"country_source":"cdn","publisher_country":null,"publisher_country_source":null,"hosting_country":null,"llms_txt":"https://openwaters.io/llms.txt","llms_full_txt":null,"last_checked":"2026-10-25T18:53:48.188Z","agent_terms":null,"categories":["apis-sdks","open-source"],"capabilities":[],"inferred_tags":["tide predictions","tidal currents","ais vessel tracking","nautical charts","marine api"],"audience":"developers","agent_uses":["read_docs","call_api","download_data"],"language":"en","platform_generated":false,"agent_summary":"Free open-source marine APIs for tide and tidal current predictions, live AIS vessel traffic, and an MCP server; OpenAPI specs, no authentication required.","llms_txt_cached":"https://agentwebmap.com/v1/domain/openwaters.io/llms.txt","agentic":"interface","section_keys":["about","api","how-open-waters-compares","pricing","tools-and-data","when-to-use-this"],"section_partial":false,"section_indexed_at":"2026-10-25T18:54:03.703Z"}