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Announcing StackOne Defender: leading open-source prompt injection guard for your agent Read More

Connectors Zinc
Live 8 Actions

Zinc Integration for AI Agents

Connect your AI agent to production-ready Zinc actions via MCP, A2A, or SDK — with agent authentication, optimized tool-calling execution, and built-in security.

StackOne
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Zinc AI Agent Actions

8 production-ready actions for your agent to do more on Zinc.

8 Actions
Start Check (Pre-Configured Package) - Start a background-check request against a pre-configured customer package.
Start Check (Custom Package Specification) - Start a background-check request with an inline package specification (no pre-configured package).
Cancel Request - Cancel an in-flight background-check request.
Mark Request As Reviewed - Move a request from action-required to reviewed.
List Packages - List the customer's pre-configured background-check packages.
Get Results - Get the current status and results of a background-check request.
Get Report - Download the PDF report for a completed background-check request.
Search Requests - Search background-check requests by candidate email(s) or by request ID.

Do More, Build Less

Integration Infrastructure for Zinc AI Agents

Multiple Interfaces

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

Zinc MCP server
Managed Authentication

Pre-built authentication UI.

Agent auth
Falcon Engine

Every Zinc action runs on Falcon.

Agent Execution Engine
StackOne Defender
StackOne Defender Meta PG v1 Meta PG v2 DeBERTa 88.7% 67.5% 63.1% 56.9% Detection accuracy

88.7% prompt injection detection.

Prompt injection defense

"What impressed us most about StackOne is its ambition and clarity. They're creating infrastructure that modern software and the entire AI agent ecosystem can rely on. The depth of secure integrations, the pace of delivery, and the team's foresight into AI's future uniquely position StackOne to redefine this category."

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

G2 - High Performer G2 - Easiest To Do Business With G2 - Users Love Us G2 - Users Most Likely To Recommend G2 - Easiest Admin

Product Teams Love Building Agent Integrations With StackOne

G2

More AI Agent Integrations Like Zinc

Zinc 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

MCP Code Mode: Keeping Tool Responses Out of Agent Context

Anthropic's code_execution processes data already in context. Custom MCP code mode keeps raw tool responses in a sandbox. 14K tokens vs 500.

11 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

Put your AI agents to work

All the tools you need to build and scale AI agent integrations, with best-in-class connectivity, execution, and security.