{"id":26498375,"url":"https://github.com/dicagno/guacamole","last_synced_at":"2026-04-29T16:02:43.628Z","repository":{"id":218462653,"uuid":"720356149","full_name":"dicagno/guacamole","owner":"dicagno","description":"Virtual MODBUS Slave enabling most PLCs to publish messages to a PubSub infrastructure.","archived":false,"fork":false,"pushed_at":"2023-11-18T09:25:19.000Z","size":938,"stargazers_count":1,"open_issues_count":2,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-10-19T17:34:21.069Z","etag":null,"topics":["industrial-automation","iot","messaging","modbus","mqtt","plc"],"latest_commit_sha":null,"homepage":"","language":"Go","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/dicagno.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2023-11-18T08:17:37.000Z","updated_at":"2023-11-23T19:43:56.000Z","dependencies_parsed_at":null,"dependency_job_id":"2b08c22d-5087-481c-828d-52aecb99789f","html_url":"https://github.com/dicagno/guacamole","commit_stats":null,"previous_names":["dicagno/guacamole"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/dicagno/guacamole","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dicagno%2Fguacamole","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dicagno%2Fguacamole/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dicagno%2Fguacamole/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dicagno%2Fguacamole/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/dicagno","download_url":"https://codeload.github.com/dicagno/guacamole/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/dicagno%2Fguacamole/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":32432917,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-04-29T13:34:34.882Z","status":"ssl_error","status_checked_at":"2026-04-29T13:34:29.830Z","response_time":110,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["industrial-automation","iot","messaging","modbus","mqtt","plc"],"created_at":"2025-03-20T14:35:59.581Z","updated_at":"2026-04-29T16:02:43.621Z","avatar_url":"https://github.com/dicagno.png","language":"Go","funding_links":[],"categories":[],"sub_categories":[],"readme":"\u003cimg src=\".github/assets/guacamole-logo.jpg\" width=\"256\" /\u003e\n\n# Guacamole - seasoning for automation\n\n## Description\n\nThis tool connects any PLCs supporting MODBUS TCP or RTU to an MQTT broker, effectively enabling realtime messaging in already existing devices without impacting them.\nIt comes from a project from 2019, but still useful in several contexts.\n\n## Features\n\n* Emulates a MODBUS slave\n* Low footprint\n* Can be run either on a gateway or on the PLC itself\n* Cross-platform, cross-architecture\n* Supports both TCP and Serial MODBUS masters\n* Forwards register write requests (either single, `FC 6` or multiple, `FC 16`) to the configured PubSub broker (and topic)\n\n## Building artifacts\n\n```bash\nmake\n```\n\n## Installation\n\n```bash\nmake install\n```\n\nCompile for different architectures, i.e. MIPS Little Endian\n\n```bash\nGOOS=linux GOARCH=mipsle go build -o ./release/guacamole-mipsel main.go\n```\n\n## Installation on remote device\n\nThis method makes use of SSH, key-based auth\n\n```bash\nmake deploy USER=myuser IP=192.168.1.1\n```\n\n## Usage\n\n```bash\nservice modbus-mqtt enable\nservice modbus-mqtt start\n```","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdicagno%2Fguacamole","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdicagno%2Fguacamole","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdicagno%2Fguacamole/lists"}