Verifiable receipt b833a759 - capability_search result | Zambo

Verifiable receipt for a capability_search call on Zambo: {"query":"fetch a URL and return HTTP response headers","status":"execution_plan","tools":[{"rank":1,"

Observed result

{"query":"fetch a URL and return HTTP response headers","status":"execution_plan","tools":[{"rank":1,"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":22,"why_relevant":"and"},{"rank":2,"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":15,"why_relevant":"url"},{"rank":3,"name":"zambro_analyze","product":"ZAMBRO","description":"Free deterministic opportunity scanner — 21 branches, any input","classification":"fully_executable_in_chat","tool":"zambro_analyze","callable":"zambro_analyze({input: \"<URL, repo, idea, or description>\"})","required_arguments":["input"],"side_effects":"Read-only analysis.","access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"retry_safe":true,"expected_output":{"branch":"string","confidence":"number","bottleneck":"string","fastest_win":"string","playbook":"string[]"},"input_hints":{"input":{"type":"string","description":"Anything to analyze: URL, wallet address, GitHub repo URL, business description, product idea, or goal (max 2000 chars). Example: 'https://github.com/owner/repo' or 'My SaaS idea: AI code reviewer for solo founders' or 'zambo.dev'"}},"relevance_score":10,"why_relevant":"url"},{"rank":4,"product":"Entangler","description":"Cross-agent messaging fabric — trustless coordination without a broker","classification":"requires_human_web_action","human_action":"This external service requires its own account/configuration and consent.","web_link":"https://entangler.tech","relevance_score":10,"why_relevant":"and"},{"rank":5,"product":"Zambo Pass","description":"$49/mo — priority access to the listed Zambo allowances. Product and provider limits apply.","classification":"requires_human_web_action","human_action":"Card/Apple Pay checkout and subscription consent must be completed by the purchaser. Afterward, chat can verify access with builder_pass_check({email}).","web_link":"https://zambo.dev/pricing","relevance_score":5,"why_relevant":"and"}],"execution_plan":[{"step":1,"rank":1,"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":22,"why_relevant":"and"},{"step":2,"rank":2,"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":15,"why_relevant":"url"},{"step":3,"rank":3,"name":"zambro_analyze","product":"ZAMBRO","description":"Free deterministic opportunity scanner — 21 branches, any input","classification":"fully_executable_in_chat","tool":"zambro_analyze","callable":"zambro_analyze({input: \"<URL, repo, idea, or description>\"})","required_arguments":["input"],"side_effects":"Read-only analysis.","access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"retry_safe":true,"expected_output":{"branch":"string","confidence":"number","bottleneck":"string","fas

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.

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Verification checks

Proof of observed execution

EXECUTED BY ZAMBO

Receipt ID
b833a759-8aab-48a9-8646-363b4064e3c7
SHA-256 output hash
sha256:c6b5bfca2ed0212ea491aead5ccb2249fd4e409a348d14fd71c76ae436dbebb0
Canonical bytes
{"caller":{"id":"sha256:e070273d971e56aba94c622f53f817ce99dc149140f5d34fa89d67cb1330c27d","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":[{"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":1,"relevance_score":22,"required_arguments":["slug"],"retry_safe":true,"side_effects":"Read-only public passport lookup.","step":1,"tool":"signal_lookup","web_link":"https://zambo.dev/signal/","why_relevant":"and"},{"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":2,"relevance_score":15,"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":2,"tool":"scam_check","why_relevant":"url"},{"access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"callable":"zambro_analyze({input: \"<URL, repo, idea, or description>\"})","classification":"fully_executable_in_chat","description":"Free deterministic opportunity scanner — 21 branches, any input","expected_output":{"bottleneck":"string","branch":"string","confidence":"number","fastest_win":"string","playbook":"string[]"},"input_hints":{"input":{"description":"Anything to analyze: URL, wallet address, GitHub repo URL, business description, product idea, or goal (max 2000 chars). Example: 'https://github.com/owner/repo' or 'My SaaS idea: AI code reviewer for solo founders' or 'zambo.dev'","type":"string"}},"name":"zambro_analyze","product":"ZAMBRO","rank":3,"relevance_score":10,"required_arguments":["input"],"retry_safe":true,"side_effects":"Read-only analysis.","step":3,"tool":"zambro_analyze","why_relevant":"url"},{"classification":"requires_human_web_action","description":"Cross-agent messaging fabric — trustless coordination without a broker","human_action":"This external service requires its own account/configuration and consent.","product":"Entangler","rank":4,"relevance_score":10,"step":4,"web_link":"https://entangler.tech","why_relevant":"and"},{"classification":"requires_human_web_action","description":"$49/mo — priority access to the listed Zambo allowances. Product and provider limits apply.","human_action":"Card/Apple Pay checkout and subscription consent must be completed by the purchaser. Afterward, chat can verify access with builder_pass_check({email}).","product":"Zambo Pass","rank":5,"relevance_score":5,"step":5,"web_link":"https://zambo.dev/pricing","why_relevant":"and"}],"note":"Links appear only where the confirmed capability requires a human web action, consent, payment, or visual administration.","query":"fetch a URL and return HTTP response headers","status":"execution_plan","tools":[{"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":1,"relevance_score":22,"required_arguments":["slug"],"retry_safe":true,"side_effects":"Read-only public passport lookup.","tool":"signal_lookup","web_link":"https://zambo.dev/signal/","why_relevant":"and"},{"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":2,"relevance_score":15,"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":"url"},{"access":{"free_tier":"unlimited","paid":"included in Zambo Pass","per_call":"free"},"approval_required":false,"callable":"zambro_analyze({input: \"<URL, repo, idea, or description>\"})","classification":"fully_executable_in_chat","description":"Free deterministic opportunity scanner — 21 branches, any input","expected_output":{"bottleneck":"string","branch":"string","confidence":"number","fastest_win":"string","playbook":"string[]"},"input_hints":{"input":{"description":"Anything to analyze: URL, wallet address, GitHub repo URL, business description, product idea, or goal (max 2000 chars). Example: 'https://github.com/owner/repo' or 'My SaaS idea: AI code reviewer for solo founders' or 'zambo.dev'","type":"string"}},"name":"zambro_analyze","product":"ZAMBRO","rank":3,"relevance_score":10,"required_arguments":["input"],"retry_safe":true,"side_effects":"Read-only analysis.","tool":"zambro_analyze","why_relevant":"url"},{"classification":"requires_human_web_action","description":"Cross-agent messaging fabric — trustless coordination without a broker","human_action":"This external service requires its own account/configuration and consent.","product":"Entangler","rank":4,"relevance_score":10,"web_link":"https://entangler.tech","why_relevant":"and"},{"classification":"requires_human_web_action","description":"$49/mo — priority access to the listed Zambo allowances. Product and provider limits apply.","human_action":"Card/Apple Pay checkout and subscription consent must be completed by the purchaser. Afterward, chat can verify access with builder_pass_check({email}).","product":"Zambo Pass","rank":5,"relevance_score":5,"web_link":"https://zambo.dev/pricing","why_relevant":"and"}]},"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:e070273d971e56aba94c622f53f817ce99dc149140f5d34fa89d67cb1330c27d
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
sha256:172462edbd0f57ae710eb1c7e187bf62e88a7e6d103585b21d0eea1814b70a03
Byte length
2250

Fetch exact evidence bytes

Neutral Nostr anchor

Event ID
460d9d0103310c18d8573376e0c7a3e20dcf2b4ed74ad0f11246f45ba149cee1
Anchor status
partial
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":"2026-09-26T13:19:55.631Z","evidence_byte_length":2250,"evidence_sha256":"sha256:172462edbd0f57ae710eb1c7e187bf62e88a7e6d103585b21d0eea1814b70a03","evidence_url":"https://zambo.dev/api/evidence/172462edbd0f57ae710eb1c7e187bf62e88a7e6d103585b21d0eea1814b70a03","output_sha256":"sha256:c6b5bfca2ed0212ea491aead5ccb2249fd4e409a348d14fd71c76ae436dbebb0","receipt_uuid":"b833a759-8aab-48a9-8646-363b4064e3c7","schema_version":"zambo-receipt-anchor/1"}

Anchor status "partial": Published to some configured relay targets; publication was not confirmed by every configured relay.

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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