{"name":"io.usefulapi/zero-plus-one","title":"Zero Plus One MCP by usefulapi","endpoint":"https://zero-plus-one.usefulapi.io/mcp","repository":"https://github.com/m190/usefulapi-mcp","page":"https://lazaretto.dev/mcp-registry/io-usefulapi-zero-plus-one","badge":"https://lazaretto.dev/mcp-registry/io-usefulapi-zero-plus-one/badge.svg","listed_at":"2026-11-13T17:21:25.448Z","state":"no findings","check":{"checked_at":"2026-11-08T17:12:12.592Z","outcome":"read","tool_count":24,"tool_names":["zeroplusone_list_invoices","zeroplusone_get_invoice","zeroplusone_list_contacts","zeroplusone_get_contact","zeroplusone_list_credit_notes","zeroplusone_get_credit_note","zeroplusone_list_quotes","zeroplusone_get_quote","zeroplusone_list_recurring_invoices","zeroplusone_get_recurring_invoice","zeroplusone_list_tax_rates","zeroplusone_get_tax_rate","zeroplusone_get_profit_and_loss","zeroplusone_get_balance_sheet","zeroplusone_get_trial_balance","zeroplusone_get_cash_flow","zeroplusone_get_vat_return","zeroplusone_get_kpi_summary","zeroplusone_get_aged_receivables","zeroplusone_get_aged_payables","zeroplusone_get_open_invoices","zeroplusone_get_reconciliation_summary","zeroplusone_list_reconciliation_lines","zeroplusone_get_reconciliation_suggestions"],"sets_instructions":true,"verdict":"clear","findings":[],"rules_version":"2026.11.04b"},"tools":{"fingerprint":"de01cb366ec6b017f7d5ab4b61030168683b62eeb1c2c82bd43fd847806b81e0","tool_hashes":{"zeroplusone_get_quote":"e849c8c5e20bdea4ac024f75d5db32e56818d9a0f742490355efe2a991670a14","zeroplusone_get_contact":"979fd1e8567407f4fdeb29c6da3747c6f574db4f065976bfc47fa94c39f105fe","zeroplusone_get_invoice":"f89f8e471c501e047e8abf3b8af7f420e1b5659080ec081ac5a7ef58c98a4c62","zeroplusone_list_quotes":"aefd4a8285b42f1b2516c53f293e8e5f5cae3ddca65f197f6123da126addca6c","zeroplusone_get_tax_rate":"8379ef6701dcfe5bd9eecb6cb06fb58af6d288f08936715c17dff5db1975451a","zeroplusone_get_cash_flow":"f1fe3db9dff8be6479d64d3e8862936d41ec66acfc67a8a460b213d68ba48ea2","zeroplusone_list_contacts":"c011b08bdd427b44e816bf51b2764ea35ec1cc1a69c7a0a8677b96d547649291","zeroplusone_list_invoices":"76ef7c78d5e04e81a23d0c8505fe65eb75dd692c9fb21f9b428def58b48aeca7","zeroplusone_get_vat_return":"2fc7bfb7552e687ed1b196597213372c8f54e53c2056f84f285dc0c3dcc8daf5","zeroplusone_list_tax_rates":"a892670ce0c34cdc660f66378a035269bb0f467b50f3e18cd720579fcb31557b","zeroplusone_get_credit_note":"8492165232d0cd665717c31a46d03980de79a3d73e7982c098ebfd4fd1bc07d1","zeroplusone_get_kpi_summary":"4c5f12305ebebfb8947f3e9c3bf8eec0530795c6a134434f2ec3063895e55d36","zeroplusone_get_aged_payables":"672e7b146a9c80a944cdcbe3bd9da787d3376ce954d22010cc647f0753bec79c","zeroplusone_get_balance_sheet":"04e112f1f63b9f33dca79a8d2ae8ec928d1d87b2810003839183a405404c0c38","zeroplusone_get_open_invoices":"d83ced207841ef071a2747a74570808e5652087a645986191727b574cb804c82","zeroplusone_get_trial_balance":"186b583928113dd3f82af0b8005b58b136e80af520a531c2a0e025d598b3d5b1","zeroplusone_list_credit_notes":"859a2ac0fbb14a2c5a9168bd990c276c201f78194212d2504febbf7f078fe93c","zeroplusone_get_profit_and_loss":"99622d3add3b1620b2a5b393fe852d31a34935622115fc30ea8ddf75e60d8e26","zeroplusone_get_aged_receivables":"d07513aec2e61d483880bae7b406ac9dcacc40043b5288dd07415570eb16a51e","zeroplusone_get_recurring_invoice":"f1377a7fe36349557dffc84dd061d1d2e69e53aafaf256703b04625d2d56dba8","zeroplusone_list_recurring_invoices":"31f5e327db922e180ee2ed8756f7637cecb027ba7be29c1b87436c8b177ca4f3","zeroplusone_list_reconciliation_lines":"612b46dbdebb28387c32973ca2fadd579162276c073649ed120d95eb9dc6f23b","zeroplusone_get_reconciliation_summary":"59129c06c22230f824abd47e6751773646bb3975d436c3cb49b523825cae87ea","zeroplusone_get_reconciliation_suggestions":"3ceaf1d3b23f2bbf6e14b3e0febd9c87fd8a56b661e76d48c15ee9de314b9c08"},"instructions_hash":"6e09c6fbacbb205afb2a93b2b13374ff9d89766611d1d2a37e8a306a30d702b0","fingerprinted_at":"2026-11-08T17:12:12.592Z","changed_at":null,"compared_since":"2026-10-30","changes":[]},"disclaimer":"Signals, not a warranty. A clean read means these rules found nothing, not that the server is harmless. An unread server is not checked."}