Telos vs Vexor

In-depth architectural comparison of the Telos and Vexor 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.

Which MCP Server Should You Choose?

Choose Telos when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Five-server MCP surface with 69 tools, Four proof lanes with packet verifiers, Offline repository and CI doctor checks.

Explore Telos Details

Choose Vexor when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (BYOK (Pay Provider Direct)).
• You have access to required keys: VEXOR_API_KEY, VEXOR_CONFIG_JSON.
• Primary tools included: Configurable embedding providers (OpenAI, Gemini, Voyage, local models), AST-aware code chunking for improved indexing, Optional reranking of search results.

Feature & Specification Comparison

Specification	Telos HarperZ9 Developer Tools	Vexor scarletkc Developer Tools
Summary	Local-first Project Telos MCP tool line for inspectable AI work: source intake, workspace context, routing ledgers, action receipts, and MATCH / DRIFT / UNVERIFIABLE verification packets across 5 stdio servers.	A semantic search engine for files and code — find files by describing what they do, not their names. Local reusable indexes, configurable embedding providers (OpenAI, Gemini, Voyage, any OpenAI-compatible API, or fully offline local models), AST-aware code chunking, optional reranking. uvx vexor mcp or pip install vexor.
Category & Scope

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "harperz9-telos": {
      "url": "https://img.shields.io/badge/version-0.2.0-9683ff?style=flat-square&labelColor=14041b"
    }
  }
}

{
  "mcpServers": {
    "scarletkc-vexor": {
      "command": "uvx",
      "args": [
        "vexor"
      ],
      "env": {
        "VEXOR_API_KEY": "YOUR_VEXOR_API_KEY_HERE",
        "VEXOR_CONFIG_JSON": "YOUR_VEXOR_CONFIG_JSON_HERE"
      }
    }
  }
}

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