Verifiable receipt c0de1b2b - capability_search result | Zambo

Verifiable receipt for a capability_search call on Zambo: {"query":"reduce AI execution cost and token waste","status":"execution_plan","tools":[{"rank":1,"prod

Provenance for every timeline entry

Private agent reasoning, built-in client actions, and direct calls to unrelated MCP servers are not included unless an agent or gateway reports them.

What is this?

An AI agent completed a tool call through Zambo, and this page records the result. The SHA-256 hash below fingerprints exactly what the agent produced. The timestamp shows when it ran. The Nostr anchor posts that fingerprint to public relays, so the record exists outside Zambo too. Check the hash yourself.

What is an execution receipt?

An execution receipt is the public record of one completed AI agent tool call. Read the canonical definition of an AI agent execution receipt.

Observed result

{"query":"reduce AI execution cost and token waste","status":"execution_plan","tools":[{"rank":1,"product":"VeriAI","description":"Cryptographic trust score for any AI-generated output","classification":"requires_human_web_action","human_action":"The public VeriAI product has no confirmed callable Zambo MCP route; use its web flow.","web_link":"https://veriai.site","relevance_score":37,"why_relevant":"ai"},{"rank":2,"name":"bounty_scan","product":"BountyLayer","description":"Autonomous agents hunting unclaimed crypto value 24/7","classification":"fully_executable_in_chat","tool":"bounty_scan","callable":"bounty_scan({address: \"<public wallet address>\"})","required_arguments":["address"],"side_effects":"Read-only opportunity scan; it does not move funds.","access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"retry_safe":true,"expected_output":{"bounties":"object[]","count":"number","total_usdc":"number"},"input_hints":{"address":{"type":"string","description":"Wallet address to scan for unclaimed bounties and rewards (0x... EVM address)"}},"relevance_score":32,"why_relevant":"ai, token"},{"rank":3,"name":"signal_lookup","product":"Signal","description":"Verified trust passport for professionals and AI agents","classification":"chat_readable_status","tool":"signal_lookup","callable":"signal_lookup({slug: \"<Signal profile slug>\"})","required_arguments":["slug"],"side_effects":"Read-only public passport lookup.","human_action":"Creating or editing a human passport requires the owner to complete the web identity flow.","web_link":"https://zambo.dev/signal/","access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"retry_safe":true,"expected_output":{"profile":"object","verified":"boolean","trust_score":"number"},"input_hints":{"slug":{"type":"string","description":"Signal profile slug (the part after zambo.dev/signal/a/). Example: 'brennan-zambo' or 'claude-research-agent'"}},"relevance_score":27,"why_relevant":"ai, and"},{"rank":4,"name":"credithunt","product":"CreditHunt","description":"Live verified index of every AI/cloud startup credit program — free API","classification":"fully_executable_in_chat","tool":"credithunt","callable":"credithunt({stack: [\"vercel\", \"aws\"], stage: \"early\"})","required_arguments":[],"side_effects":"Read-only current-program lookup.","access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"retry_safe":true,"expected_output":{"programs":"object[]","count":"number","matched":"object[]"},"input_hints":{},"relevance_score":25,"why_relevant":"ai, cost"},{"rank":5,"name":"scam_check","product":"SCAMRA","description":"Free scammer intelligence — check any domain, IP, wallet, URL against 30,000+ threat records","classification":"fully_executable_in_chat","tool":"scam_check","callable":"scam_check({target: \"<domain-or-url-or-wallet>\"})","required_arguments":["target"],"side_effects":"Read-only SCAMRA threat-intelligence lookup with optional Criptic wallet cross-reference. An empty result is not proof of safety.","access":{"free_tier":"20/day","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"retry_safe":true,"expected_output":{"verdict":"clean|suspicious|scam","confidence":"number","reasons":"string[]","sources":"string[]","first_seen":"string | undefined"},"input_hints":{"target":{"type":"string","description":"Wallet address, contract address, domain, or full URL."}},"relevance_score":22,"why_relevant":"ai"},{"rank":6,"product":"Monad Agent Hub","description":"On-chain AI agent directory with verified reputation scores","classification":"requires_human_web_action","relevance_score":22,"why_relevant":"ai"},{"rank":7,"product":"Nad.City","description":"3D blockchain explorer for Monad — every contract is a building","classification":"requires_human_web_action","relevance_score":22,"why_relevant":"ai"},{"rank":8,"product":"Elysium Lab","description":"AI case management for funeral directors","classification":"requires_human_web_action","relevance_score":22,"why_relevant":"ai"}],"execution_plan":[{"step":1,"rank":1,"product":"VeriAI","description":"Cryptographic trust score for any AI-generated output","classification":"requires_human_web_action","human_action":"The public VeriAI product has no confirmed callable Zambo MCP route; use its web flow.","web_link":"https://veriai.site","relevance_score":37,"why_relevant":"ai"},{"step":2,"rank":2,"name":"bounty_scan","product":"BountyLayer","description":"Autonomous agents hunting unclaimed crypto value 24/7","classification":"fully_executable_in_chat","tool":"bounty_scan","callable":"bounty_scan({address: \"<public wallet address>\"})","required_arguments":["address"],"side_effects":"Read-only opportunity scan; it does not move funds.","access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"retry_safe":true,"expected_output":{"bounties":"object[]","count":"number","total_usdc":"number"},"input_hints":{"address":{"type":"string","description":"Wallet address to scan for unclaimed bounties and rewards (0x... EVM address)"}},"relevance_score":32,"why_relevant":"ai, token"},{"step":3,"rank":3,"name":"signal_lookup","product":"Signal","description":"Verified trust passport for professionals and AI agents","classification":"chat_readable_status","tool":"signal_lookup","callable":"signal_lookup({slug: \"<Signal profile slug>\"})","required_arguments":["slug"],"side_effects":"Read-only public passport lookup.","human_action":"Creating or editing a human passport requires the owner to complete the web identity flow.","web_link":"https://zambo.dev/signal/","access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"retry_safe":true,"expected_output":{"profile":"object","verified":"boolean","trust_score":"number"},"input_hints":{"

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Verification checks

Proof of observed execution

EXECUTED BY ZAMBO

Receipt ID
c0de1b2b-706c-4203-b4bd-4afd71dbd3df
SHA-256 output hash
sha256:a6ce3bd00f519fac97836c6fee078017848a7fa9f7e1b6c855c1c43079bbee88
Canonical bytes
{"caller":{"id":"sha256:05f0bbf6ca27a3814e1a6ab7dc455beabc0cffbf9031734b51e591b6504d944a","type":"anonymous"},"output":{"continuity":"For a multi-step job, call zambo_universal with the real request and one stable _session_id; reuse it with mode:'continue', then mode:'verify' before declaring completion.","execution_plan":[{"classification":"requires_human_web_action","description":"Cryptographic trust score for any AI-generated output","human_action":"The public VeriAI product has no confirmed callable Zambo MCP route; use its web flow.","product":"VeriAI","rank":1,"relevance_score":37,"step":1,"web_link":"https://veriai.site","why_relevant":"ai"},{"access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"callable":"bounty_scan({address: \"<public wallet address>\"})","classification":"fully_executable_in_chat","description":"Autonomous agents hunting unclaimed crypto value 24/7","expected_output":{"bounties":"object[]","count":"number","total_usdc":"number"},"input_hints":{"address":{"description":"Wallet address to scan for unclaimed bounties and rewards (0x... EVM address)","type":"string"}},"name":"bounty_scan","product":"BountyLayer","rank":2,"relevance_score":32,"required_arguments":["address"],"retry_safe":true,"side_effects":"Read-only opportunity scan; it does not move funds.","step":2,"tool":"bounty_scan","why_relevant":"ai, token"},{"access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"callable":"signal_lookup({slug: \"<Signal profile slug>\"})","classification":"chat_readable_status","description":"Verified trust passport for professionals and AI agents","expected_output":{"profile":"object","trust_score":"number","verified":"boolean"},"human_action":"Creating or editing a human passport requires the owner to complete the web identity flow.","input_hints":{"slug":{"description":"Signal profile slug (the part after zambo.dev/signal/a/). Example: 'brennan-zambo' or 'claude-research-agent'","type":"string"}},"name":"signal_lookup","product":"Signal","rank":3,"relevance_score":27,"required_arguments":["slug"],"retry_safe":true,"side_effects":"Read-only public passport lookup.","step":3,"tool":"signal_lookup","web_link":"https://zambo.dev/signal/","why_relevant":"ai, and"},{"access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"callable":"credithunt({stack: [\"vercel\", \"aws\"], stage: \"early\"})","classification":"fully_executable_in_chat","description":"Live verified index of every AI/cloud startup credit program — free API","expected_output":{"count":"number","matched":"object[]","programs":"object[]"},"input_hints":{},"name":"credithunt","product":"CreditHunt","rank":4,"relevance_score":25,"required_arguments":[],"retry_safe":true,"side_effects":"Read-only current-program lookup.","step":4,"tool":"credithunt","why_relevant":"ai, cost"},{"access":{"free_tier":"20/day","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"callable":"scam_check({target: \"<domain-or-url-or-wallet>\"})","classification":"fully_executable_in_chat","description":"Free scammer intelligence — check any domain, IP, wallet, URL against 30,000+ threat records","expected_output":{"confidence":"number","first_seen":"string | undefined","reasons":"string[]","sources":"string[]","verdict":"clean|suspicious|scam"},"input_hints":{"target":{"description":"Wallet address, contract address, domain, or full URL.","type":"string"}},"name":"scam_check","product":"SCAMRA","rank":5,"relevance_score":22,"required_arguments":["target"],"retry_safe":true,"side_effects":"Read-only SCAMRA threat-intelligence lookup with optional Criptic wallet cross-reference. An empty result is not proof of safety.","step":5,"tool":"scam_check","why_relevant":"ai"},{"classification":"requires_human_web_action","description":"On-chain AI agent directory with verified reputation scores","product":"Monad Agent Hub","rank":6,"relevance_score":22,"step":6,"why_relevant":"ai"},{"classification":"requires_human_web_action","description":"3D blockchain explorer for Monad — every contract is a building","product":"Nad.City","rank":7,"relevance_score":22,"step":7,"why_relevant":"ai"},{"classification":"requires_human_web_action","description":"AI case management for funeral directors","product":"Elysium Lab","rank":8,"relevance_score":22,"step":8,"why_relevant":"ai"}],"note":"Links appear only where the confirmed capability requires a human web action, consent, payment, or visual administration.","query":"reduce AI execution cost and token waste","status":"execution_plan","tools":[{"classification":"requires_human_web_action","description":"Cryptographic trust score for any AI-generated output","human_action":"The public VeriAI product has no confirmed callable Zambo MCP route; use its web flow.","product":"VeriAI","rank":1,"relevance_score":37,"web_link":"https://veriai.site","why_relevant":"ai"},{"access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"callable":"bounty_scan({address: \"<public wallet address>\"})","classification":"fully_executable_in_chat","description":"Autonomous agents hunting unclaimed crypto value 24/7","expected_output":{"bounties":"object[]","count":"number","total_usdc":"number"},"input_hints":{"address":{"description":"Wallet address to scan for unclaimed bounties and rewards (0x... EVM address)","type":"string"}},"name":"bounty_scan","product":"BountyLayer","rank":2,"relevance_score":32,"required_arguments":["address"],"retry_safe":true,"side_effects":"Read-only opportunity scan; it does not move funds.","tool":"bounty_scan","why_relevant":"ai, token"},{"access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"callable":"signal_lookup({slug: \"<Signal profile slug>\"})","classification":"chat_readable_status","description":"Verified trust passport for professionals and AI agents","expected_output":{"profile":"object","trust_score":"number","verified":"boolean"},"human_action":"Creating or editing a human passport requires the owner to complete the web identity flow.","input_hints":{"slug":{"description":"Signal profile slug (the part after zambo.dev/signal/a/). Example: 'brennan-zambo' or 'claude-research-agent'","type":"string"}},"name":"signal_lookup","product":"Signal","rank":3,"relevance_score":27,"required_arguments":["slug"],"retry_safe":true,"side_effects":"Read-only public passport lookup.","tool":"signal_lookup","web_link":"https://zambo.dev/signal/","why_relevant":"ai, and"},{"access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"callable":"credithunt({stack: [\"vercel\", \"aws\"], stage: \"early\"})","classification":"fully_executable_in_chat","description":"Live verified index of every AI/cloud startup credit program — free API","expected_output":{"count":"number","matched":"object[]","programs":"object[]"},"input_hints":{},"name":"credithunt","product":"CreditHunt","rank":4,"relevance_score":25,"required_arguments":[],"retry_safe":true,"side_effects":"Read-only current-program lookup.","tool":"credithunt","why_relevant":"ai, cost"},{"access":{"free_tier":"20/day","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"callable":"scam_check({target: \"<domain-or-url-or-wallet>\"})","classification":"fully_executable_in_chat","description":"Free scammer intelligence — check any domain, IP, wallet, URL against 30,000+ threat records","expected_output":{"confidence":"number","first_seen":"string | undefined","reasons":"string[]","sources":"string[]","verdict":"clean|suspicious|scam"},"input_hints":{"target":{"description":"Wallet address, contract address, domain, or full URL.","type":"string"}},"name":"scam_check","product":"SCAMRA","rank":5,"relevance_score":22,"required_arguments":["target"],"retry_safe":true,"side_effects":"Read-only SCAMRA threat-intelligence lookup with optional Criptic wallet cross-reference. An empty result is not proof of safety.","tool":"scam_check","why_relevant":"ai"},{"classification":"requires_human_web_action","description":"On-chain AI agent directory with verified reputation scores","product":"Monad Agent Hub","rank":6,"relevance_score":22,"why_relevant":"ai"},{"classification":"requires_human_web_action","description":"3D blockchain explorer for Monad — every contract is a building","product":"Nad.City","rank":7,"relevance_score":22,"why_relevant":"ai"},{"classification":"requires_human_web_action","description":"AI case management for funeral directors","product":"Elysium Lab","rank":8,"relevance_score":22,"why_relevant":"ai"}]},"receipt_schema_version":"0.3","side_effects":{"declaration_hash":"sha256:45aad38f3aa982b9aafe92ecb416ebe98791eddbaf8ab6df0bd08605b7c1bfee","declared":["none"],"schema_version":"zambo-side-effects/1"},"tool":{"name":"capability_search","scope":"public","version":"4.0.0"}}
Timestamp

Bound call context

Receipt schema
0.3
Tool name
capability_search
Tool version
4.0.0
Permission scope
public
Caller type
anonymous
Caller ID
sha256:05f0bbf6ca27a3814e1a6ab7dc455beabc0cffbf9031734b51e591b6504d944a
Declared side effects
none
Side-effects schema
zambo-side-effects/1
Declaration hash
sha256:45aad38f3aa982b9aafe92ecb416ebe98791eddbaf8ab6df0bd08605b7c1bfee

This records what the server-side tool contract declared at call time. It does not independently verify that a downstream side effect happened.

Bound upstream evidence

Status
captured
Evidence SHA-256
sha256:0271daa6dde43df1a13b4fa8e067ba9a362cd42272e3e9ea0c5e22b306a2af95
Byte length
3071

Fetch exact evidence bytes

Neutral Nostr anchor

Event ID
f1c7d36fd7c6c6080eef41a00c1c3b406e8ad7f3393cd1c113844ec48fb804a4
Anchor status
published
Public key
e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41

Relay hints: wss://relay.damus.io · wss://nos.lol · wss://relay.primal.net

Schema: zambo-receipt-anchor/1

Anchor envelope bytes:

{"anchored_at":"2026-09-22T20:28:42.558Z","evidence_byte_length":3071,"evidence_sha256":"sha256:0271daa6dde43df1a13b4fa8e067ba9a362cd42272e3e9ea0c5e22b306a2af95","evidence_url":"https://zambo.dev/api/evidence/0271daa6dde43df1a13b4fa8e067ba9a362cd42272e3e9ea0c5e22b306a2af95","output_sha256":"sha256:a6ce3bd00f519fac97836c6fee078017848a7fa9f7e1b6c855c1c43079bbee88","receipt_uuid":"c0de1b2b-706c-4203-b4bd-4afd71dbd3df","schema_version":"zambo-receipt-anchor/1"}

Anchor status "published": Published to all configured relay targets.

Check this hash yourself

Open the verification endpoint. The server recomputes the SHA-256 from the stored bytes and answers verified:true. If it does not say verified, do not trust this page. See the Nostr anchor event on a public viewer. The fingerprint is timestamped outside Zambo too.

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