{"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":"2026-11-12T00:33:18.171Z","finishedAt":"2026-11-12T00:33:21.385Z","runnerVersion":"0.1.0"},"bodyHash":"81060a62037437b0119ed80338c17bdd34821500c94cc71fd78c50661fa7e26e","evidence":{"kind":"github-actions","token":"eyJhbGciOiJSUzI1NiIsImtpZCI6IjM4ODI2YjE3LTZhMzAtNWY5Yi1iMTY5LThiZWI4MjAyZjcyMyIsInR5cCI6IkpXVCIsIng1dCI6InlrTmFZNHFNX3RhNGsyVGdaT0NFWUxrY1lsQSJ9.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.PPUmZ-VebE6K1LMYuDWA3MDBqUPPBPGLjNDRTi2VpA8mSQeQeJ-mVs4GwoJjo7JOdnljwB65ayZSOeX4-KeywT5pXcJcXZRJZ-NN1pacZHcw8xkQ1CPf7oX0gvSCeaYdWyWGL87sQiUiovbmKz1mIiVbVwieBa7vVYM2hHz8RrHpPknHz1rygKazXqqs3bTKdq357TBmrDc0zsaSE1k_73gC3i5sTsmCAJXDrTu0KixKz20bILy9N0n_wq7nYDknXxfx3rPP2n3c8Tt80kUWZ1ZMztwDJzz24KY6jXXctGBizPrEDrcAjsPfIEXHwviOMhJ9NDY5NJonSzrMjGoAVw"}}