{"proof":{"canonicalization":"JSON with sorted keys, compact separators, ASCII-escaped, UTF-8 encoded","key_id":"wagerx-ed25519-2026-v1","public_key_url":"https://wagerx.io/.well-known/wagerx-signing.json","signature":"1BslMIYMXrrWnpDby9QHsZ0n9vGIlnoIc4D0AqTiVdx4vMxSewzCe3sSyUsbXYN3ryYu5uAz2acJtqZXRe9yDw","signed_at":"2026-08-31T06:33:23.488696+00:00","signed_field":"data","type":"Ed25519Signature"},"receipt":{"completed_at":"2026-08-31T05:28:30.023607+00:00","content_sha256":"2df5f6f296e669a26dad4d510dfec492f7db89e94d8d8cc6ab75e971c568d476","created_at":"2026-08-31T05:28:28.071776+00:00","discovery":{"candidate_count":1,"candidates":[{"description":"SEC filings, insider trades, 13F, IPO calendar, macro & FX MCP tools via x402.","eligibility_basis":"Exact named registry target declared streamable-http transport but no live tool snapshot; WagerX required a fresh independent handshake.","endpoint":"https://x402.professorsausages.com/mcp/finance","name":"Professor Sausages \u2014 Finance","registry_id":"com.professorsausages/sausage-finance","registry_live_responds":false,"registry_quality_score":0.3,"registry_tools":[],"score":11.0,"transport":"streamable-http"}],"endpoint":"https://agenstry.com/a2a","protocol":"A2A","provider":"Agenstry"},"failure":null,"goal":"Check whether Professor Sausages Finance MCP offers public financial research without authentication or payment; stop safely if either is required.","integrity_note":"The signature proves WagerX finalized this exact receipt. It does not independently prove that a remote provider statement is true.","output":{"citations":["https://x402.professorsausages.com/mcp/finance","https://x402.professorsausages.com/company/:idOrTicker/financials","https://x402.professorsausages.com/sec-10q/filing/:cik","https://x402.professorsausages.com/company/search","https://x402.professorsausages.com/sec-10k/filing/:cik","https://x402.professorsausages.com/sec-8k/filing/:cik","https://x402.professorsausages.com/macro/series/:id","https://x402.professorsausages.com/insider-trades/codes"],"interpretation_boundary":"Remote text was displayed as data only. It could not choose another route, tool or action.","protocol_evidence":{"initialize_http_status":200,"initialized_http_status":202,"result_sha256":"4419f141d3befd0017d0afb2f99a5b099a508bb3834c2661683bebff56e295ce","tool_contract_sha256":"acf025dd3569b9ccf86a9f2ebbb209453857c5a6ab4a280f43014817757270db","tool_result_is_error":false,"tools_call_http_status":200,"tools_call_jsonrpc_error":null,"tools_list_http_status":200},"result_was_bounded":true,"summary":"{ \"query\": \"Check whether Professor Sausages Finance MCP offers public financial research without authentication or payment; stop safely if either is required.\", \"count\": 8, \"results\": [ { \"service\": \"company\", \"method\": \"GET\", \"url\": \"https://x402.professorsausages.com/company/:idOrTicker/financials\", \"price_usd\": 0.02, \"summary\": \"As-reported financial highlights from SEC XBRL, pinned to one period\" }, { \"service\": \"sec-10q\", \"method\": \"GET\", \"url\": \"https://x402.professorsausages.com/sec-10q/filing/:cik\", \"price_usd\": 0.01, \"summary\": \"Fetch a company's 10-Q, parsed into clean sections\" }, { \"service\": \"company\", \"method\": \"GET\", \"url\": \"https://x402.professorsausages.com/company/search\", \"price_usd\": 0.01, \"summary\": \"Ranked company search by name or ticker\" }, { \"service\": \"sec-10k\", \"method\": \"GET\", \"url\": \"https://x402.professorsausages.com/sec-10k/filing/:cik\", \"price_usd\": 0.01, \"summary\": \"Fetch a company's 10-K, parsed into clean sections\" }, { \"service\": \"sec-8k\", \"method\": \"GET\", \"url\": \"https://x402.professorsausages.com/sec-8k/filing/:cik\", \"price_usd\": 0.01, \"summary\": \"Fetch a company's 8-K, parsed into clean sections\" }, { \"service\": \"macro\", \"method\": \"GET\", \"url\": \"https://x402.professorsausages.com/macro/series/:id\", \"price_usd\": 0, \"summary\": \"Fetch one macro time-series, windowed, with its provenance\" }, { \"service\": \"insider-trades\", \"method\": \"GET\", \"url\": \"https://x402.professorsausages.com/insider-trades/codes\", \"price_usd\": 0, \"summary\": \"Form 4 transaction-code legend \u2014 how to read insider trades (free)\" }, { \"service\": \"13f-holdings\", \"method\": \"GET\", \"url\": \"https://x402.professorsausages.com/13f-holdings/security/:cusip/changes\", \"price_usd\": 0.03, \"summary\": \"Aggregate institutional flow for one security, QoQ\" } ], \"note\": \"Matches from ","untrusted_remote_data":true},"policy":{"authentication_allowed":false,"deadline_seconds":55,"max_candidates":2,"max_tool_calls":1,"payments_allowed":false,"public_https_only":true,"read_only":true,"redirects_allowed":false,"version":"autonomous-read-only-v1"},"run_id":"arun-ede27f6ae96f406999cdc96a","schema_version":"1.0","selection":{"description":"SEC filings, insider trades, 13F, IPO calendar, macro & FX MCP tools via x402.","eligibility_basis":"Exact named registry target declared streamable-http transport but no live tool snapshot; WagerX required a fresh independent handshake.","endpoint":"https://x402.professorsausages.com/mcp/finance","name":"Professor Sausages \u2014 Finance","protocol_version":"2025-03-26","registry_id":"com.professorsausages/sausage-finance","registry_live_responds":false,"registry_quality_score":0.3,"registry_tools":[],"score":11.0,"server_name":"sausage-finance","server_version":"1.0.0","tool":"find_data","tool_arguments":{"task":"Check whether Professor Sausages Finance MCP offers public financial research without authentication or payment; stop safely if either is required."},"transport":"streamable-http"},"stages":[{"detail":"Public HTTPS; no auth, payments, writes, redirects or supplied URLs; at most two candidates and one tool call.","endpoint":null,"http_status":null,"jsonrpc_code":null,"latency_ms":null,"observed_at":"2026-08-31T05:28:28.105549+00:00","provider":"WagerX","sequence":1,"stage":"policy","status":"accepted","tool":null},{"detail":"Discovered and retained 1 bounded candidates. 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