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Connectors Have I Been Pwned
Live 18 Actions

Have I Been Pwned Integration for AI Agents

Connect your AI agent to Have I Been Pwned actions via MCP, A2A, or SDK, with agent authentication, tool-calling execution, and security built-in.

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Have I Been Pwned AI Agent Actions

18 production-ready actions for your agent to do more on Have I Been Pwned.

Read the Have I Been Pwned docs
18 Actions
List Account Breaches - Returns the breaches an email address, username, or phone number appears in.
Search Account Breach Range - Returns breached email hash suffixes and their breach names for a 6-character SHA-1 prefix (k-anonymity).
List Breaches - Returns the full catalogue of breaches loaded into Have I Been Pwned.
Get Breach - Returns the full breach model for a single breach by its Name.
Get Latest Breach - Returns the breach most recently added to Have I Been Pwned.
List Data Classes - Returns the alphabetical list of data class names seen across breaches.
List Data Class Descriptions - Returns the alphabetical list of data classes seen across breaches, with a description of each.
List Domain Breached Emails - Returns every breached email alias on a verified domain and the breaches each alias appears in.
List Subscribed Domains - Returns the verified domains linked to the API key, with breach counts.
Generate Domain DNS Token - Generates the TXT record value used to verify control of a domain via DNS.
Verify Domain DNS Token - Checks the domain's hibp-verify TXT record and marks the domain verified when it matches.
Send Domain Verification Email - Sends a verification email to an alias on the domain so domain control can be approved by link.
Search Pwned Password Range - Returns pwned password hash suffixes and their breach counts for a 5-character hash prefix (k-anonymity).
List Account Pastes - Returns the pastes an email address has appeared in.
List Stealer Logs By Email - Returns the website domains an email address's credentials were captured on by info-stealer malware.
List Stealer Logs By Website Domain - Returns the email addresses whose credentials were captured on a website domain by info-stealer malware.
List Stealer Logs By Email Domain - Returns the email aliases on a domain that appear in stealer logs, mapped to the website domains they were captured on.
Get Subscription Status - Returns the plan, rate limit, expiry, and capabilities of the subscription behind the API key.

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Integration Infrastructure for Have I Been Pwned AI Agents

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Access integrations via API, AI SDKs, MCP & A2A.

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Pre-built authentication UI.

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Falcon Engine

Every Have I Been Pwned action runs on Falcon.

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Luna Schmid, Partner at GV

"We've been impressed by how quickly and deeply StackOne integrates with complex enterprise systems -- and now, with their focus on agent-to-agent interoperability, they're unlocking even more powerful use cases for customers. StackOne delivers all of the above in a universal layer -- without compromise."

Barbry McGann, SVP at Workday Ventures

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Have I Been Pwned AI agent integration resources

Agentic Context Engineering: Why AI Agents Kill Their Own Context Windows

AI agents exceed their context windows without knowing it. Six failure patterns and seven survival architectures for agentic context engineering.

15 min

Comparing BM25, TF-IDF, and Hybrid Search for MCP Tool Discovery

Benchmarking BM25, TF-IDF, and hybrid search for MCP tool discovery across 916 tools. The 80/20 TF-IDF/BM25 hybrid hits 21% Top-1 accuracy in under 1ms.

10 min

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