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NetSuite AI Claude Custom Tool

edited Jan 6, 2026 3:52PM in Ask A Guru 4 comments

Context
• Goal: Expose a Custom Tool to an external AI client (Claude) via NetSuite MCP.
• Project type: ACP (not SuiteApp).
• Account: tstdrvXXXXXX (SB).
• Client URLs tried:
– https://tstdrvXXXXXX.suitetalk.api.netsuite.com/services/mcp/v1/all
– https://tstdrvXXXXXX.app.netsuite.com/services/mcp/v1/all

What I built
• Script: vendormanagement_acp.js — SuiteScript 2.1 with u/NScriptType CustomTool.
• Schema: vendormanagement_schema_acp.json — method names match the JS exports.
• Tool XML: customtool_vendormanagement_acp.xml — correct scriptfile/rpcschema paths to /SuiteScripts, exposeto3rdpartyagents=T.

What I already tried

  1. Added u/NScriptType CustomTool; redeployed.
  2. Verified schema vs JS names; validated JSON (also tried adding "nullable": []).

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