---
title: "VoiceFleet MCP Server Spec & Tools | VoiceFleet"
canonical: "https://voicefleet.ai/plugins/mcp"
language: "en"
source: "https://voicefleet.ai/plugins/mcp"
---
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Protocol • JSON-RPC 2.0 Standard • mcp.md

# Model Context Protocol (MCP) Reference

Complete specification for VoiceFleet's Two-Tier Model Context Protocol server.

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/.well-known/mcp.json JSON

```
{
"schemaVersion": "1.0",
"name": "voicefleet-mcp",
"endpoint": "https://voicefleet.ai/api/mcp",
"tiers": {
"tier1_public_discovery": [
"voicefleet_get_integration_matrix",
"voicefleet_check_call_readiness_score",
"voicefleet_estimate_missed_call_roi"
],
"tier2_authenticated_workspace": [
"voicefleet_get_assistant_status",
"voicefleet_list_recent_calls",
"voicefleet_update_call_forwarding_rules"
]
}
}
```

## How to Connect MCP Server to VoiceFleet

- 1

### Inspect /.well-known/mcp.json

Any MCP-compliant client can auto-discover tools and schemas from https://voicefleet.ai/.well-known/mcp.json.
- 2

### Call Tier 1 tools with zero auth

Send a JSON-RPC 2.0 tools/call request to https://voicefleet.ai/api/mcp.
- 3

### Upgrade to Tier 2 with a workspace Bearer token

Pass Authorization: Bearer to inspect or update live assistant settings.

## Example Prompts for MCP Server

Try these natural-language prompts immediately after adding the MCP server:

- “List all tools exposed by https://voicefleet.ai/api/mcp and run voicefleet_check_call_readiness_score.”

## MCP Server MCP Integration FAQ

### What happens when a Tier 2 tool is called without an API token?

The MCP server returns a structured ERR_SUBSCRIPTION_REQUIRED response containing the registration and plugin linking URLs.

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