Skip to main content- How MCP Tools Work in StackJackStackJack exposes your MSP stack to AI assistants as MCP tools. This page explains what a tool is, how tools are named, what a tool call returns, and why tools sometimes appear or disappear from your…
- Plan Tiers and Tool GatingEvery StackJack tool has a required plan tier, and every connector you subscribe to has a plan. This page explains how the two interact, what each tier unlocks conceptually, and what happens when a…
- Permissions Page: Mapping Tools to Vendor API PermissionsThe API Permissions planner answers one question: "If I want the AI to use these tools, what permissions does my vendor API key need?" Open Connectors, open the connector's panel, and select API…
- Choosing Tools for Each Client and Managing Harness Tool LimitsBeyond plan tiers, you control exactly which tools each MCP client (the credential a harness connects with) and each team member can use. This page covers the tool selector on the Endpoints page, how…
- Native Anthropic Tools: Web Search, Web Fetch, and Code ExecutionStackJack Automations (managed agents that run on your behalf) can use three capabilities built into the Anthropic platform itself, alongside your connector tools. These are called native tools…
- StackJack Platform Tools (stackjack_*)Alongside connector tools, StackJack serves platform tools under the stackjack_ prefix. They need no connector at all — a freshly created tenant with zero connectors configured can call the baseline…
- Response Shaping: Trimming Tool Responses to Save ContextSome connector tools return large blocks of data that your AI rarely needs — most often static schema metadata (catalogs of every possible filter value) or vendor bookkeeping (audit and hyperlink…
- Tool Errors and TroubleshootingConnector tool calls return a structured JSON error envelope designed so the AI can understand what went wrong, relay it in plain language, and offer sensible next steps. Platform tools,…
- Connector Tool CatalogsStackJack provides a broad and growing catalog of connector tool families. The exact per-connector counts are in the generated table below, whose total also includes the platform tools. These docs…
- Catalog modes: compact and minimal tool servingA single broad connector can expose hundreds of tools, and a multi-connector tenant can easily have far more tools than an AI client can hold. Many clients cap the tool list on their side and drop the…
- Smart Tool SearchStackJack serves tens of thousands of connector tools. Finding the right one by keyword works when you already know what the tool is called, and badly when you describe the job instead. Smart tool…
- Connector Tools Reference23863 tools total: 23816 connector tools across 84 connectors, plus 47 always-on platform tools.