{"v":1,"type":"bragproof/receipt","spec":{"v":1,"claim":"The echo tool returns the message it was given, prefixed with 'Echo: '.","subject":{"kind":"mcp-stdio","name":"mcp-echo-server","package":"mcp-echo-server","version":"1.0.0"},"steps":[{"tool":"echo","arguments":{"message":"bragproof-7f3a"},"expect":{"equals":"Echo: bragproof-7f3a"}}],"tags":["mcp","testing"]},"result":{"pass":true,"subjectIntegrity":"sha512-R8epCmI3n3ntLWR6r50xEzMdZ48FJu5IMUFF9Q3cEWcacRLUaGpQX/UfUoXwYQ+/ZfOhvJp72BuyUs+y4VzlKg==","lockHash":"50ea6f81ec47524c4630a89186e5baf7990c8f375207854fb890a195fe3be5f9","steps":[{"tool":"echo","pass":true,"outputHash":"a17662b9b9e02bdc3858f24e7c24a6ba1a53946395412944b54d7c6be81c9236","outputPreview":"Echo: bragproof-7f3a"}],"startedAt":"2026-11-12T00:33:03.967Z","finishedAt":"2026-11-12T00:33:07.572Z","runnerVersion":"0.1.0"},"bodyHash":"1b38c92ee547dfa058cb6e4c0288cd72b89302bbb2d27b7e83d6c4271ae134ee","evidence":{"kind":"github-actions","token":"eyJhbGciOiJSUzI1NiIsImtpZCI6IjM4ODI2YjE3LTZhMzAtNWY5Yi1iMTY5LThiZWI4MjAyZjcyMyIsInR5cCI6IkpXVCIsIng1dCI6InlrTmFZNHFNX3RhNGsyVGdaT0NFWUxrY1lsQSJ9.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.ExAGSzoeGl02xMhIqDwUKN4LLSQq2-682LAYIgTbbUHuP1HX71fQZtrlgsmmiho5AHWbYt34xZnLJo-UTBZ2nTuVexByl_NxsTsHHcneGKLD_vF6mCMGKIJ7YtXX3E1-S65ZZDsMgWvN8AEZ5H3NNc_O-JGVWq3IxbaeYBqbRysHHYerEbtuN15MPnpvHdww-CoZrBudyrh5HGqodOwjlUsMiJOIUA01wKDZE6XzHuyM9lbOZNEhJ81ftntKgc6VmEqewa6YNF1wjMCqNrMAZxFP1TvPlMj4q9H0VfOczUYxCobcHg-mbNuC7sbPiX9x152aw0E8UesxebHM7-Ejew"}}