{"domain":"zambo.dev","count":20,"changes":[{"captured_at":"2026-10-25T15:56:12.497951","card_hash":"257c1a149e8251d122baa0d02a2c67e9101db5204f6b6d8b7a977284be1e8bc6","previous_card_hash":"ed428ddd7db43e409c1a93ecc1b65e93fb7433782a0e370971a3ffe5ba035ba8","diff":{"skills_added":[{"id":"continuity_recall","name":"Continuity recall","description":"Recall saved facts, threads, and the receipt timeline for a job across AIs, so work started in one AI continues in another. Backed by the memory_recall and continuity_get_recent MCP tools at https://zambo.dev/mcp. Saved facts are private to the work connection.","tags":["continuity","memory","cross-ai"],"inputModes":["text/plain","application/json"],"outputModes":["application/json"]},{"id":"verify_receipt","name":"Verify a receipt","description":"Check a Zambo receipt: recompute the sha-256 digest of the exact saved bytes and confirm the saved result was not changed since it was saved. A verified receipt does not prove the answer was right. Served over MCP at https://zambo.dev/mcp and on the web at https://zambo.dev/verify/.","tags":["receipts","verification","aer-1"],"inputModes":["text/plain","application/json"],"outputModes":["text/plain","application/json"]}],"skills_removed":[{"id":"day_pass_activate","name":"Agent Day Pass","description":"Activate the agent-native 24-hour Day Pass ($0.99 USDC on Base via x402, not per call). An agent may pay autonomously on its own behalf. This permission applies only to the Day Pass, not Zambo Pass or ProvibeCode. Use the MCP URL https://zambo.dev/mcp.","tags":["payments","x402","base","usdc","day-pass"],"inputModes":["application/json"],"outputModes":["application/json"]}],"skills_changed":[{"id":"handover","fields":["name","description","tags"]},{"id":"zambo_universal","fields":["name","description","tags"]}],"fields_changed":[{"field":"description","before":"Give your AI hands, memory, and proof. One URL, no key: https://zambo.dev/mcp. Hand finished work to a client with one link and receipts they can inspect. AER-1 is an open standard for agent execution receipts, a verifiable record of every call an AI agent makes, published as an IETF draft.","after":"Zambo is the verifiable work layer for AI. Give your AI hands, memory, and proof: one URL, no key for the free tier (20 free calls per day). The flagship product is HANDOVER, which hands work from one AI to another with a receipt trail. Every job returns a verifiable AER-1 receipt (IETF Internet-Draft draft-zambo-aer1-26): a receipt proves the saved result was not changed since it was saved, not that the answer was right. The skills below are MCP-backed capabilities, served over MCP at https://zambo.dev/mcp today."},{"field":"documentationUrl","before":"https://zambo.dev/for-agents","after":"https://zambo.dev/for-agents/"},{"field":"capabilities","before":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-26","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-26) receipt","required":false}]},"after":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-26) receipt","required":false}]}}],"other_changed":true,"is_empty":false,"human_summary":"added 2 skills · removed 1 skill · updated 2 skills · description Give your AI hands, memory, and proof. O → Zambo is the verifiable work layer for A · documentationUrl https://zambo.dev/for-agents → https://zambo.dev/for-agents/ · capabilities aer1, extendedAgentCard, extensions, pus → extendedAgentCard, extensions, pushNotif"}},{"captured_at":"2026-10-24T14:36:40.108739","card_hash":"ed428ddd7db43e409c1a93ecc1b65e93fb7433782a0e370971a3ffe5ba035ba8","previous_card_hash":"6125a184c242ebd121a2836108579b765674c70b8db91e599f13dcf3a28ef4d2","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"description","before":"Give your AI hands, memory, and proof. One URL, no key: https://zambo.dev/mcp. Hand finished work to a client with one link and receipts they can inspect.","after":"Give your AI hands, memory, and proof. One URL, no key: https://zambo.dev/mcp. Hand finished work to a client with one link and receipts they can inspect. AER-1 is an open standard for agent execution receipts, a verifiable record of every call an AI agent makes, published as an IETF draft."}],"other_changed":false,"is_empty":false,"human_summary":"description Give your AI hands, memory, and proof. O → Give your AI hands, memory, and proof. O"}},{"captured_at":"2026-10-23T13:06:27.060723","card_hash":"6125a184c242ebd121a2836108579b765674c70b8db91e599f13dcf3a28ef4d2","previous_card_hash":"99cffb4bc5b69206ce0ad92821c0328b459e42ca46031fe991102463a223ef58","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"capabilities","before":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-25","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-25) receipt","required":false}]},"after":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-26","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-26) receipt","required":false}]}}],"other_changed":true,"is_empty":false,"human_summary":"capabilities aer1, extendedAgentCard, extensions, pus → aer1, extendedAgentCard, extensions, pus"}},{"captured_at":"2026-10-23T00:11:17.389571","card_hash":"99cffb4bc5b69206ce0ad92821c0328b459e42ca46031fe991102463a223ef58","previous_card_hash":"0da5a1d83618ea29624e06938f8bfd9d364e2bd441734638bb395adc8708c333","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"capabilities","before":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-24","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-24) receipt","required":false}]},"after":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-25","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-25) receipt","required":false}]}}],"other_changed":true,"is_empty":false,"human_summary":"capabilities aer1, extendedAgentCard, extensions, pus → aer1, extendedAgentCard, extensions, pus"}},{"captured_at":"2026-10-21T21:48:26.760582","card_hash":"0da5a1d83618ea29624e06938f8bfd9d364e2bd441734638bb395adc8708c333","previous_card_hash":"3e9e130946da0c18946689085c71ccb124e15b6e199b0630a79b09c588758310","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"description","before":"Hand AI work to a client with one proof link: every step as a verifiable receipt, then Accept or Flag. One hosted MCP, no API key.","after":"Give your AI hands, memory, and proof. One URL, no key: https://zambo.dev/mcp. Hand finished work to a client with one link and receipts they can inspect."}],"other_changed":false,"is_empty":false,"human_summary":"description Hand AI work to a client with one proof  → Give your AI hands, memory, and proof. O"}},{"captured_at":"2026-10-20T19:31:44.153914","card_hash":"3e9e130946da0c18946689085c71ccb124e15b6e199b0630a79b09c588758310","previous_card_hash":"bc6a3e8d0adb305d67b39697019beed8ac776389ef90fe486356a85d598fed5f","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"capabilities","before":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-23","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-23) receipt","required":false}]},"after":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-24","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-24) receipt","required":false}]}}],"other_changed":true,"is_empty":false,"human_summary":"capabilities aer1, extendedAgentCard, extensions, pus → aer1, extendedAgentCard, extensions, pus"}},{"captured_at":"2026-10-20T00:15:30.358141","card_hash":"bc6a3e8d0adb305d67b39697019beed8ac776389ef90fe486356a85d598fed5f","previous_card_hash":"18ac156f9266a135c61b663ce10357f2f63e9efe9d70bfff768fcf6df1d90e1c","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"capabilities","before":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-22","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-22) receipt","required":false}]},"after":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-23","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-23) receipt","required":false}]}}],"other_changed":true,"is_empty":false,"human_summary":"capabilities aer1, extendedAgentCard, extensions, pus → aer1, extendedAgentCard, extensions, pus"}},{"captured_at":"2026-10-18T18:00:37.161010","card_hash":"18ac156f9266a135c61b663ce10357f2f63e9efe9d70bfff768fcf6df1d90e1c","previous_card_hash":"d523bc5344b57c3d4bc9bb81554919556a2964bea87a786ae98648a76e1086fa","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"capabilities","before":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-21","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-21) receipt","required":false}]},"after":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-22","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-22) receipt","required":false}]}}],"other_changed":true,"is_empty":false,"human_summary":"capabilities aer1, extendedAgentCard, extensions, pus → aer1, extendedAgentCard, extensions, pus"}},{"captured_at":"2026-10-18T05:10:07.662903","card_hash":"d523bc5344b57c3d4bc9bb81554919556a2964bea87a786ae98648a76e1086fa","previous_card_hash":"14bcbb57e6cc64f52e28dba9745395aaf1a5cf6fcda5023f0c01da432ae53727","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"capabilities","before":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-20","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-20) receipt","required":false}]},"after":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-21","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-21) receipt","required":false}]}}],"other_changed":false,"is_empty":false,"human_summary":"capabilities aer1, extendedAgentCard, extensions, pus → aer1, extendedAgentCard, extensions, pus"}},{"captured_at":"2026-10-17T15:53:54.727818","card_hash":"14bcbb57e6cc64f52e28dba9745395aaf1a5cf6fcda5023f0c01da432ae53727","previous_card_hash":"9526b2569dff47ca55c360d9e15365d1679384c7c7d8e05a1e2a2e6fee4febe0","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"description","before":"Zambo is the Trust Layer for AI work. Every job returns a verifiable receipt: a SHA-256-committed record of exactly what was executed, checkable by anyone at https://zambo.dev/verify. Zambo implements AER-1, the open draft standard for AI execution receipts (IETF draft-zambo-aer1). Connect free at https://zambo.dev/mcp. No API key or signup to start; free limits vary by tool. A receipt proves the record was not changed afterward. It does not prove the answer was right. Handover turns session receipts into a client-ready delivery page: https://zambo.dev/docs/handover. Add Zambo Receipt Bot to a Grok Bot team at https://zambo.dev/receipt-bot/ to collect and check those receipts.","after":"Hand AI work to a client with one proof link: every step as a verifiable receipt, then Accept or Flag. One hosted MCP, no API key."},{"field":"version","before":"4.0.0","after":"4.1.0"}],"other_changed":false,"is_empty":false,"human_summary":"description Zambo is the Trust Layer for AI work. Ev → Hand AI work to a client with one proof  · version 4.0.0 → 4.1.0"}},{"captured_at":"2026-10-17T02:24:55.553083","card_hash":"9526b2569dff47ca55c360d9e15365d1679384c7c7d8e05a1e2a2e6fee4febe0","previous_card_hash":"6a2d5d2867150ca405e107dbf9bd92a7bedc843d3de487794be5a7a1f9fb71f9","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[],"other_changed":true,"is_empty":false,"human_summary":"internal fields changed"}},{"captured_at":"2026-10-16T12:09:16.562842","card_hash":"6a2d5d2867150ca405e107dbf9bd92a7bedc843d3de487794be5a7a1f9fb71f9","previous_card_hash":"29f6806d286c623add868933a1e0c32a5f9b283eaf8f18e36b0274592f947983","diff":{"skills_added":[{"id":"handover","name":"Prepare a client handover","description":"Publish a client-ready delivery page from a session's receipts, with links the client can verify.","tags":["handover","delivery","receipts"],"inputModes":["text/plain","application/json"],"outputModes":["application/json"]}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"description","before":"Zambo is the Trust Layer for AI work. Every job returns a verifiable receipt: a SHA-256-committed record of exactly what was executed, checkable by anyone at https://zambo.dev/verify. Zambo implements AER-1, the open draft standard for AI execution receipts (IETF draft-zambo-aer1). Connect free at https://zambo.dev/mcp. No API key or signup to start; free limits vary by tool. A receipt proves the record was not changed afterward. It does not prove the answer was right. Add Zambo Receipt Bot to a Grok Bot team at https://zambo.dev/receipt-bot/ to collect and check those receipts.","after":"Zambo is the Trust Layer for AI work. Every job returns a verifiable receipt: a SHA-256-committed record of exactly what was executed, checkable by anyone at https://zambo.dev/verify. Zambo implements AER-1, the open draft standard for AI execution receipts (IETF draft-zambo-aer1). Connect free at https://zambo.dev/mcp. No API key or signup to start; free limits vary by tool. A receipt proves the record was not changed afterward. It does not prove the answer was right. Handover turns session receipts into a client-ready delivery page: https://zambo.dev/docs/handover. Add Zambo Receipt Bot to a Grok Bot team at https://zambo.dev/receipt-bot/ to collect and check those receipts."},{"field":"supportedInterfaces","before":[{"url":"https://zambo.dev/api/a2a","protocolBinding":"JSONRPC","protocolVersion":"1.0"}],"after":[{"url":"https://zambo.dev/mcp","protocolBinding":"JSONRPC","protocolVersion":"2025-06-18"},{"url":"https://zambo.dev/api/a2a","protocolBinding":"JSONRPC","protocolVersion":"1.0"}]},{"field":"capabilities","before":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-20","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-18) receipt","required":false}]},"after":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-20","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-20) receipt","required":false}]}}],"other_changed":false,"is_empty":false,"human_summary":"added 1 skill · description Zambo is the Trust Layer for AI work. Ev → Zambo is the Trust Layer for AI work. Ev · supportedInterfaces https://zambo.dev/api/a2a (JSONRPC) → https://zambo.dev/mcp (JSONRPC), https:/ · capabilities aer1, extendedAgentCard, extensions, pus → aer1, extendedAgentCard, extensions, pus"}},{"captured_at":"2026-10-16T08:31:36.272502","card_hash":"29f6806d286c623add868933a1e0c32a5f9b283eaf8f18e36b0274592f947983","previous_card_hash":"0c9849ce7a897fc36584bb5af0d64e2247c6c4590c491f7c888b33ad81fe70e0","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"capabilities","before":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-19","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-18) receipt","required":false}]},"after":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-20","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-18) receipt","required":false}]}}],"other_changed":false,"is_empty":false,"human_summary":"capabilities aer1, extendedAgentCard, extensions, pus → aer1, extendedAgentCard, extensions, pus"}},{"captured_at":"2026-10-12T23:08:16.500984","card_hash":"0c9849ce7a897fc36584bb5af0d64e2247c6c4590c491f7c888b33ad81fe70e0","previous_card_hash":"99de1d4232fc168f79d2488eee6dcc4d8c891b331f280b85aa5be269f82ad61d","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"capabilities","before":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-16","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-15) receipt","required":false}]},"after":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-19","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-18) receipt","required":false}]}}],"other_changed":false,"is_empty":false,"human_summary":"capabilities aer1, extendedAgentCard, extensions, pus → aer1, extendedAgentCard, extensions, pus"}},{"captured_at":"2026-10-12T05:28:22.964724","card_hash":"99de1d4232fc168f79d2488eee6dcc4d8c891b331f280b85aa5be269f82ad61d","previous_card_hash":"9dcd0a3c15fc7e81702ec927955936607ca7902b48062b524e7d88b1e251166f","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"capabilities","before":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-15","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-15) receipt","required":false}]},"after":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-16","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-15) receipt","required":false}]}}],"other_changed":false,"is_empty":false,"human_summary":"capabilities aer1, extendedAgentCard, extensions, pus → aer1, extendedAgentCard, extensions, pus"}},{"captured_at":"2026-10-10T22:32:56.800026","card_hash":"9dcd0a3c15fc7e81702ec927955936607ca7902b48062b524e7d88b1e251166f","previous_card_hash":"f55d1e149f1c29e6413f103965a7e24f7465072b64bbb61a5fc5e55615cb195e","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[{"id":"day_pass_activate","fields":["description"]}],"fields_changed":[{"field":"description","before":"Zambo is the Trust Layer for AI work. Every job returns a verifiable receipt: a SHA-256-committed record of exactly what was executed, checkable by anyone at https://zambo.dev/verify. Zambo implements AER-1, the open draft standard for AI execution receipts (IETF draft-zambo-aer1). Connect free at https://zambo.dev/mcp. No API key or signup to start; free limits vary by tool. A receipt proves the record was not changed afterward. It does not prove the answer was right.","after":"Zambo is the Trust Layer for AI work. Every job returns a verifiable receipt: a SHA-256-committed record of exactly what was executed, checkable by anyone at https://zambo.dev/verify. Zambo implements AER-1, the open draft standard for AI execution receipts (IETF draft-zambo-aer1). Connect free at https://zambo.dev/mcp. No API key or signup to start; free limits vary by tool. A receipt proves the record was not changed afterward. It does not prove the answer was right. Add Zambo Receipt Bot to a Grok Bot team at https://zambo.dev/receipt-bot/ to collect and check those receipts."},{"field":"capabilities","before":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-15"},"after":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-15","extensions":[{"uri":"https://zambo.dev/ext/aer1/v1","description":"Every completed job returns an AER-1 (draft-zambo-aer1-15) receipt","required":false}]}}],"other_changed":false,"is_empty":false,"human_summary":"updated 1 skill · description Zambo is the Trust Layer for AI work. Ev → Zambo is the Trust Layer for AI work. Ev · capabilities aer1, extendedAgentCard, pushNotificatio → aer1, extendedAgentCard, extensions, pus"}},{"captured_at":"2026-10-09T17:46:52.865001","card_hash":"f55d1e149f1c29e6413f103965a7e24f7465072b64bbb61a5fc5e55615cb195e","previous_card_hash":"4b97ed6c9f5c3269d94f3e577b63b381005650a4f2641c7e9710809c6698a988","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"capabilities","before":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-14"},"after":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-15"}}],"other_changed":false,"is_empty":false,"human_summary":"capabilities aer1, extendedAgentCard, pushNotificatio → aer1, extendedAgentCard, pushNotificatio"}},{"captured_at":"2026-10-09T04:28:02.176406","card_hash":"4b97ed6c9f5c3269d94f3e577b63b381005650a4f2641c7e9710809c6698a988","previous_card_hash":"e4750e5a620ed1d8be876a5e07b9a6bdb63ce6f95de97d8cc32faef1d30fc6cd","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"description","before":"Zambo is the Trust Layer for AI work. Connect to the MCP server at https://zambo.dev/mcp. The catalog has 138 tools total, with 19 on the default surface. Free limits vary by tool; see https://zambo.dev/tools/. No API key or signup to start. https://zambo.dev/api/mcp is a backwards-compatible alias only. Every job returns a verifiable receipt at https://zambo.dev/run/<uuid>, checkable at https://zambo.dev/verify. Agents: 24-hour Day Pass, $0.99 USDC on Base via x402 (not per call), then send the X-Zambo-Key header. People: Zambo Pass $29/mo or $290/year; verified $ZAMBO holders pay $19/mo.","after":"Zambo is the Trust Layer for AI work. Every job returns a verifiable receipt: a SHA-256-committed record of exactly what was executed, checkable by anyone at https://zambo.dev/verify. Zambo implements AER-1, the open draft standard for AI execution receipts (IETF draft-zambo-aer1). Connect free at https://zambo.dev/mcp. No API key or signup to start; free limits vary by tool. A receipt proves the record was not changed afterward. It does not prove the answer was right."},{"field":"capabilities","before":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false},"after":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false,"aer1":"draft-zambo-aer1-14"}}],"other_changed":false,"is_empty":false,"human_summary":"description Zambo is the Trust Layer for AI work. Co → Zambo is the Trust Layer for AI work. Ev · capabilities none → aer1, extendedAgentCard, pushNotificatio"}},{"captured_at":"2026-10-05T19:49:27","card_hash":"e4750e5a620ed1d8be876a5e07b9a6bdb63ce6f95de97d8cc32faef1d30fc6cd","previous_card_hash":"1a3447d6352aeb661f1bc26a67da9983f795990110701becbc1837fd37042e5b","diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"description","before":"Zambo is the Trust Layer for AI work. Connect to the MCP server at https://zambo.dev/mcp. The catalog has 136 tools total, with 19 on the default surface. Free limits vary by tool; see https://zambo.dev/tools/. No API key or signup to start. https://zambo.dev/api/mcp is a backwards-compatible alias only. Every job returns a verifiable receipt at https://zambo.dev/run/<uuid>, checkable at https://zambo.dev/verify. Agents: 24-hour Day Pass, $0.99 USDC on Base via x402 (not per call), then send the X-Zambo-Key header. People: Zambo Pass $29/mo or $290/year; verified $ZAMBO holders pay $19/mo.","after":"Zambo is the Trust Layer for AI work. Connect to the MCP server at https://zambo.dev/mcp. The catalog has 138 tools total, with 19 on the default surface. Free limits vary by tool; see https://zambo.dev/tools/. No API key or signup to start. https://zambo.dev/api/mcp is a backwards-compatible alias only. Every job returns a verifiable receipt at https://zambo.dev/run/<uuid>, checkable at https://zambo.dev/verify. Agents: 24-hour Day Pass, $0.99 USDC on Base via x402 (not per call), then send the X-Zambo-Key header. People: Zambo Pass $29/mo or $290/year; verified $ZAMBO holders pay $19/mo."}],"other_changed":false,"is_empty":false,"human_summary":"description Zambo is the Trust Layer for AI work. Co → Zambo is the Trust Layer for AI work. Co"}},{"captured_at":"2026-10-05T04:59:07","card_hash":"1a3447d6352aeb661f1bc26a67da9983f795990110701becbc1837fd37042e5b","previous_card_hash":null,"diff":{"skills_added":[{"id":"day_pass_activate","name":"Agent Day Pass","description":"Activate the agent-native 24-hour Day Pass ($0.99 USDC on Base via x402, not per call) through this MCP tool. HTTP agents may instead use POST https://zambo.dev/api/x402/day-pass. Then send the X-Zambo-Key header.","tags":["payments","x402","base","usdc","day-pass"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"zambo_universal","name":"Run a real job","description":"Send a natural-language job through the Zambo MCP connection (https://zambo.dev/mcp) and return explicit status plus a verifiable receipt on success.","tags":["work","execution","receipts"],"inputModes":["text/plain","application/json"],"outputModes":["application/json"]}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"Zambo"},{"field":"description","before":null,"after":"Zambo is the Trust Layer for AI work. Connect to the MCP server at https://zambo.dev/mcp. The catalog has 136 tools total, with 19 on the default surface. Free limits vary by tool; see https://zambo.dev/tools/. No API key or signup to start. https://zambo.dev/api/mcp is a backwards-compatible alias only. Every job returns a verifiable receipt at https://zambo.dev/run/<uuid>, checkable at https://zambo.dev/verify. Agents: 24-hour Day Pass, $0.99 USDC on Base via x402 (not per call), then send the X-Zambo-Key header. People: Zambo Pass $29/mo or $290/year; verified $ZAMBO holders pay $19/mo."},{"field":"version","before":null,"after":"4.0.0"},{"field":"documentationUrl","before":null,"after":"https://zambo.dev/for-agents"},{"field":"iconUrl","before":null,"after":"https://zambo.dev/zambo-mark.svg"},{"field":"supportedInterfaces","before":null,"after":[{"url":"https://zambo.dev/api/a2a","protocolBinding":"JSONRPC","protocolVersion":"1.0"}]},{"field":"capabilities","before":null,"after":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false}},{"field":"provider","before":null,"after":{"organization":"zambo.dev","url":"https://zambo.dev"}}],"other_changed":true,"is_empty":false,"human_summary":"added 2 skills · name ∅ → Zambo · description ∅ → Zambo is the Trust Layer for AI work. Co · version ∅ → 4.0.0 · documentationUrl ∅ → https://zambo.dev/for-agents · iconUrl ∅ → https://zambo.dev/zambo-mark.svg · supportedInterfaces ∅ → https://zambo.dev/api/a2a (JSONRPC) · capabilities ∅ → none · provider ∅ → zambo.dev"}}]}