Lints a phone voice agent prompt and platform config before real callers reach it.
Connect Remote server
claude mcp add --transport http voice-linter https://mcp.modernmustardseed.com/voice-linter
{
"mcpServers": {
"voice-linter": {
"url": "https://mcp.modernmustardseed.com/voice-linter"
}
}
}
{
"servers": {
"voice-linter": {
"type": "http",
"url": "https://mcp.modernmustardseed.com/voice-linter"
}
}
}
Settings > Connectors > Add custom connector
URL: https://mcp.modernmustardseed.com/voice-linter
Tools 3 found in our last check
lint_voice_agentCheck a phone voice agent’s system prompt and, optionally, its config JSON (Vapi assistant, Retell agent or LLM, ElevenLabs agent, or OpenAI Realtime session) against rule-based checks learned on live calls. Finds: no live date and dates without a year; phone numbers, emails, UR…
list_lint_rulesList every Voice Agent Linter rule with its id, title, default severity, category, what it reads (prompt, config or both) and the platforms it applies to. Filter by platform or category. Static reference, no network access.
explain_lint_ruleExplain one Voice Agent Linter rule by id: why it exists, a bad and a good example, the fix, the platforms it applies to, and its sources with the date each was read. Static reference, no network access.
Details
| Endpoint | https://mcp.modernmustardseed.com/voice-linter (Streamable HTTP) |
| First published | 11 Oct 2026 |
| Last updated | 11 Oct 2026 |
| Registry name | com.modernmustardseed/voice-linter |
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