websocat

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  "desc": "Command-line client for WebSockets",
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  "github_readme_excerpt": "# websocat\nNetcat, curl and socat for [WebSockets](https://en.wikipedia.org/wiki/WebSocket).\n\n[![Gitter](https://badges.gitter.im/websocat.svg)](https://gitter.im/websocat/Lobby?utm_source=badge\u0026utm_medium=badge\u0026utm_campaign=pr-badge\u0026utm_content=body_badge)\n[![image-build](https://github.com/vi/websocat/actions/workflows/container-image-buildah.yml/badge.svg)](https://github.com/vi/websocat/pkgs/container/websocat)\n\n## Examples\n\n### Connect to public echo server (Ctrl+d to quit)\n\n```\n$ websocat ws://ws.vi-server.org/mirror\n123\n123\nABC\nABC\n\n$ docker run --rm -ti ghcr.io/vi/websocat:nightly wss://ws.vi-server.org/mirror\n123\n123\nABC\nABC\n```\n\n### Serve and connect\n\n```\nA$ websocat -s 1234\nListening on ws://127.0.0.1:1234/\nABC\n123\n\nB$ websocat ws://127.0.0.1:1234/\nABC\n123\n```\n\n### Open a tab in Chromium using remote debugging.\n\n```\n$ chromium --remote-debugging-port=9222\u0026\n$ curl -sg http://127.0.0.1:9222/json/new | grep webSocketDebuggerUrl | cut -d\u0027\"\u0027 -f4 | head -1\nws://127.0.0.1:9222/devtools/page/A331E56CCB8615EB4FCB720425A82259\n$ echo \u0027Page.navigate {\"url\":\"https://example.com\"}\u0027 | websocat -n1 --jsonrpc --jsonrpc-omit-jsonrpc ws://127.0.0.1:9222/devtools/page/A331E56CCB8615EB4FCB720425A82259\n{\"id\":2,\"result\":{\"frameId\":\"A331E56CCB8615EB4FCB720425A82259\",\"loaderId\":\"EF5AAD19F2F8BB27FAF55F94FFB27DF9\"}}\n```\n\n\n### Proxy TCP connections to WebSocket connections and back.\n\n```\n$ websocat --oneshot -b ws-l:127.0.0.1:1234 tcp:127.0.0.1:22\u0026\n$ websocat --oneshot -b tcp-l:127.0.0.1:1236 ws://127.0.0.1:1234/\u0026\n$ nc 127.0.0.1 1236\nSSH-2.0-OpenSSH_7.4p1 Debian-10+deb9u3\nqwertyu\nProtocol mismatch.\n```\n\n\n### Broadcast all messages between connected WebSocket clients\n\n```\nA$ websocat -t ws-l:127.0.0.1:1234 broadcast:mirror:\nB$ websocat ws://127.0.0.1:1234\nC$ websocat ws://127.0.0.1:1234\n```\n\n(if you like this one, you may actually want https://github.com/vi/wsbroad/ instead)\n\nSee [moreexamples.md](./moreexamples.md) for further examples.\n\n## Features\n\n* Connecting to and serving WebS",
  "github_repo": "vi/websocat",
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    "cli",
    "command-line",
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    "curl",
    "netcat",
    "proxy",
    "rfc-6455",
    "socat",
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    "websockets"
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  "license": "MIT",
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