{"v":1,"type":"bragproof/receipt","spec":{"v":1,"claim":"The MCP reference server 'everything' has an echo tool that returns the message it was given.","subject":{"kind":"mcp-stdio","name":"MCP Everything server","package":"@modelcontextprotocol/server-everything","version":"2.3.0","homepage":"https://github.com/modelcontextprotocol/servers"},"steps":[{"tool":"echo","arguments":{"message":"bragproof-7f3a"},"expect":{"contains":"bragproof-7f3a"}}],"tags":["mcp","reference","testing"]},"result":{"pass":true,"subjectIntegrity":"sha512-GrmmVZxdvy2k7zjM4W0ROAs8Dot8+FrBacGHNI83+c5dePgQORErksMLg0g3BZsxiVLZ7qExdu/QOY2wBbD9Rw==","lockHash":"ec5ad2f114c1c966fcab3b85df9d90700aa98610f01a092462d390fef10f187d","steps":[{"tool":"echo","pass":true,"outputHash":"a17662b9b9e02bdc3858f24e7c24a6ba1a53946395412944b54d7c6be81c9236","outputPreview":"Echo: bragproof-7f3a"}],"startedAt":"2026-11-12T00:20:25.962Z","finishedAt":"2026-11-12T00:20:28.740Z","runnerVersion":"0.1.0"},"bodyHash":"d36ee98ca21462c5a7b7d0790c828bf2bbabf06fc40bf44e922bedc1302bde99","evidence":{"kind":"github-actions","token":"eyJhbGciOiJSUzI1NiIsImtpZCI6IjM4ODI2YjE3LTZhMzAtNWY5Yi1iMTY5LThiZWI4MjAyZjcyMyIsInR5cCI6IkpXVCIsIng1dCI6InlrTmFZNHFNX3RhNGsyVGdaT0NFWUxrY1lsQSJ9.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.oBrsK39zvCZRURLp6w_UfxLXWbBDdri_7A5enPIB3yiUwdj41wpqpXkwJ-GNi-62kIEKEsf9L907JvIgbFE074MOBDo57spb8bX767Z7HK2qJ-KgvJkkmlYb6oZEm4QGr9FOKVyU0w-aQietzXPia39f7zTwDYdBQqwojIJEevaW44VNN_uwsOMSbjzXHxa-Ug_CfE__O_RcRyClOa3wVmzrBI1ggE-IoSNOQaPb2OO7fMdD2o-axQyex43X0YQGcuBYyW6DnBVj1HlkXTpZtF2oxYkHJgNzwK-tZ_fS7A-VR0YYRdCEagbSIRt5iVNBmKgGAsK6AVeWQO_sHITkFQ"}}