What is the key difference between Whisper Graph and Pepys MCP?

Whisper Graph belongs to the Speech-to-Text category with local stdio execution, while Pepys MCP belongs to the Speech-to-Text category with local stdio execution.

How do I install Whisper Graph or Pepys MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Whisper Graph and Pepys MCP free or paid?

Whisper Graph operates under a Free / Open Source model (No auth required). Pepys MCP operates under a Freemium model (API Key required).

Which MCP server has more tools and community activity?

Whisper Graph lists 8 tools with 0 views and 1 GitHub stars. Pepys MCP lists 9 tools with 2 views and 0 GitHub stars.

Can I use both Whisper Graph and Pepys MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Whisper Graph vs Pepys MCP

In-depth architectural comparison of the Whisper Graph and Pepys MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Whisper Graph

Speech-to-Text · Local stdio

Quality: 51/100 (Good) | Auth: No auth required

Pepys MCP

Speech-to-Text · Local stdio

Quality: 60/100 (Good) | Auth: API Key required

Verdict Summary: Choose Whisper Graph if you need specialized Speech-to-Text tools running via a local process. Choose Pepys MCP if your workspace requires Speech-to-Text integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Whisper Graph when:

You need dedicated capabilities in the Speech-to-Text domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: query, list_labels, describe_label.

Explore Whisper Graph Details

Choose Pepys MCP when:

You need dedicated capabilities in the Speech-to-Text domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Freemium).
You have access to required keys: PEPYS_API_KEY.
Primary tools included: transcribe, get_transcription, upload_file.

Explore Pepys MCP Details

Feature & Specification Comparison

Specification	W Whisper Graph Speech-to-Text	Pepys MCP ankurmans Speech-to-Text
Summary	Query WhisperGraph: the internet's infrastructure & threat-intel graph (DNS, BGP, GeoIP, WHOIS).	Pay-once transcription for audio, video, and whole podcast feeds via Pepys. Transcribe a file or a pasted YouTube/podcast link, get speaker diarization, export SRT/VTT, search a transcript, and check credit balance. Hosted connector (OAuth, no API key) or npx pepys-mcp. 99+ languages.
Category & Scope	Speech-to-Text

Tools & Capabilities Breakdown

Whisper Graph Tools (8)

query

Execute a Cypher query against WhisperGraph. Validated against a safety rule set before it reaches the backend.

list_labels

List every node label with counts. Call it before writing a query when you're unsure which label to anchor on.

describe_label

Confirm a label exists and enumerate its property keys.

explain_indicator

Threat assessment for an IP, hostname, CIDR, or ASN - score, level, factors, sources.

whisper_history

Historical WHOIS or BGP data for an indicator.

domain_variants

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Whisper Graph Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "whisper-graph": {
      "command": "npx",
      "args": [
        "-y",
        "@whisper-security/whisper-graph-mcp"
      ]
    }
  }
}

Pepys MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "ankurmans-pepys-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "pepys-mcp"
      ],
      "env": {
        "PEPYS_API_KEY": "YOUR_PEPYS_API_KEY_HERE"
      }
    }
  }
}

Frequently Asked Questions

Whisper Graph is categorized under Speech-to-Text and uses a local stdio subprocess. In contrast, Pepys MCP belongs to Speech-to-Text using local stdio subprocess. Select Whisper Graph when you need capabilities focused on speech-to-text and Pepys MCP when you require tools for speech-to-text.