---
title: "Get Voice Test Baseline"
description: "Get a voice agent's best-scoring completed test run, used to detect regressions on later runs."
---

> Documentation Index
> Fetch the complete documentation index at: https://docs.speakai.co/llms.txt
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# Get Voice Test Baseline

Use the Speak AI MCP server tool `get_voice_test_baseline` to get a voice agent's
best-scoring completed test run, used to detect regressions on later runs.

## What does it do?

Get a voice agent's best-scoring completed test run, used to detect regressions on
later runs. Returns null in data.baseline if no run has completed yet.

## Parameters

`get_voice_test_baseline` takes 1 parameter, all of them required.

| Name | Type | Required | Description |
| --- | --- | --- | --- |
| `agentId` | string | Yes | ID of the voice agent (from `list_voice_agents`) |

## Behaviour

The Speak AI MCP server publishes these behaviour hints for
`get_voice_test_baseline`.

- Only reads data. Does not modify your workspace.
- Does not delete or overwrite existing data.
- Repeating an identical call is safe.
- Stays inside Speak AI. Does not reach other systems.

## Related

- [Voice agents](/mcp/tools/voice-agents/) lists the rest of the Voice agents
  category.
- [Tool reference](/mcp/tools/) lists every Speak AI MCP server tool.
- [MCP server](/mcp/) covers setup, supported clients, and what agents can do once
  connected.

Source: https://docs.speakai.co/mcp/tools/voice-agents/get_voice_test_baseline/index.mdx