Is the mcp-server MCP server free to use?

Yes. mcp-server is listed on AllMCPs as a free, open Model Context Protocol server you can install into Claude Desktop, Cursor, or any MCP-compatible client.

Is the mcp-server MCP server free to use?

Yes. mcp-server is listed on AllMCPs as a free, open Model Context Protocol server you can install into Claude Desktop, Cursor, or any MCP-compatible client.

Mcp Server

Detect fabrication and hallucination in any LLM output. 30+ models supported.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Install Config Generator

Choose your client

claude_desktop_config.json

{
  "mcpServers": {
    "mcp-server-90": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-server-90"
      ]
    }
  }
}

💡 Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

Documentation Overview

Arkheia MCP Server — Fabrication Detection for LLMs

Detect fabrication (hallucination) in any LLM output. Free tier included (1,500 detections/month).

Quick Start

1. Clone and install

bash

git clone https://github.com/arkheiaai/arkheia-mcp.git ~/.arkheia-mcp
cd ~/.arkheia-mcp
pip install -r requirements.txt

2. Get an API key (free)

Terminal

curl -X POST https://arkheia-proxy-production.up.railway.app/v1/provision \
  -H "Content-Type: application/json" \
  -d '{"email": "you@example.com"}'

3. Add to Claude Desktop

Edit your config file:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json

config.json

{
  "mcpServers": {
    "arkheia": {
      "command": "python",
      "args": ["-m", "mcp_server.server"],
      "cwd": "~/.arkheia-mcp",
      "env": {
        "PYTHONPATH": "~/.arkheia-mcp",
        "ARKHEIA_API_KEY": "ak_live_YOUR_KEY_HERE"
      }
    }
  }
}

On Windows, replace ~/.arkheia-mcp with the full path (e.g. C:/Users/YourName/.arkheia-mcp).

4. Restart Claude

The arkheia_verify and arkheia_audit_log tools will appear automatically.

Tools

Tool	Description
`arkheia_verify`	Score any model output for fabrication risk (LOW/MEDIUM/HIGH)
`arkheia_audit_log`	Review detection history
`run_grok`	Call xAI Grok + screen for fabrication
`run_gemini`	Call Google Gemini + screen for fabrication
`run_together`	Call Together AI (Kimi, DeepSeek) + screen
`run_ollama`	Call local Ollama model + screen
`memory_store` / `memory_retrieve` / `memory_relate`	Persistent knowledge graph

Pricing

Free: 1,500 detections/month (no credit card)
Single Contributor: $99/month (unlimited)
Professional: $499/month (20 concurrent)
Team: $1,999/month (50 concurrent)

Requirements

Python 3.10+
Git

Full Setup Guide

See AGENTS.md for detailed instructions, troubleshooting, and environment variables.

Related MCP Servers

View all in Developer Tools View all alternatives

Frequently Asked Questions about Mcp Server

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "mcp-server": { "command": "npx", "args": ["-y", "mcp-server"] } }

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Technical Specs & Signals

CategoryDeveloper Tools

0/4 checks healthy over the last 6h

27Quality signal: Emerging · 27/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership8/20

Documentation & tools11/30

Adoption & activity1/15

Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

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The official MCP server for AllMCPs.com - submit and manage tools directly from your AI. The open directory for MCP servers. Connect Claude, Cursor, Windsurf, and AI agents to databases, tools, files, and APIs. Explore 3,181+ servers. AllMCPs is the premier, open directory for discovering, evaluating, and installing Model Context Protocol (MCP) servers to equip AI agents and LLMs with real-world superpowers.

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More in 💻 Developer Tools →Best MCP servers for Developers →Alternatives to Mcp Server →Install in Claude Desktop Install in Cursor Install in VS Code

Documentation Overview

Arkheia MCP Server — Fabrication Detection for LLMs

Detect fabrication (hallucination) in any LLM output. Free tier included (1,500 detections/month).

Quick Start

1. Clone and install

bash

git clone https://github.com/arkheiaai/arkheia-mcp.git ~/.arkheia-mcp
cd ~/.arkheia-mcp
pip install -r requirements.txt

2. Get an API key (free)

Terminal

curl -X POST https://arkheia-proxy-production.up.railway.app/v1/provision \
  -H "Content-Type: application/json" \
  -d '{"email": "you@example.com"}'

3. Add to Claude Desktop

Edit your config file:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json

config.json

{
  "mcpServers": {
    "arkheia": {
      "command": "python",
      "args": ["-m", "mcp_server.server"],
      "cwd": "~/.arkheia-mcp",
      "env": {
        "PYTHONPATH": "~/.arkheia-mcp",
        "ARKHEIA_API_KEY": "ak_live_YOUR_KEY_HERE"
      }
    }
  }
}

On Windows, replace ~/.arkheia-mcp with the full path (e.g. C:/Users/YourName/.arkheia-mcp).

4. Restart Claude

The arkheia_verify and arkheia_audit_log tools will appear automatically.

Tools

Tool	Description
`arkheia_verify`	Score any model output for fabrication risk (LOW/MEDIUM/HIGH)
`arkheia_audit_log`	Review detection history
`run_grok`	Call xAI Grok + screen for fabrication
`run_gemini`	Call Google Gemini + screen for fabrication
`run_together`	Call Together AI (Kimi, DeepSeek) + screen
`run_ollama`	Call local Ollama model + screen
`memory_store` / `memory_retrieve` / `memory_relate`	Persistent knowledge graph

Pricing

Free: 1,500 detections/month (no credit card)
Single Contributor: $99/month (unlimited)
Professional: $499/month (20 concurrent)
Team: $1,999/month (50 concurrent)

Requirements

Python 3.10+
Git

Full Setup Guide

See AGENTS.md for detailed instructions, troubleshooting, and environment variables.

Mcp Server

Quick Install

Install Config Generator

Documentation Overview

Arkheia MCP Server — Fabrication Detection for LLMs

Quick Start

1. Clone and install

2. Get an API key (free)

3. Add to Claude Desktop

4. Restart Claude

Tools

Pricing

Requirements

Full Setup Guide

Links

Related MCP Servers

Frequently Asked Questions about Mcp Server

AllMCPs Directory Badge

Technical Specs & Signals

AllMCPs Server

Own this project?

Share & Embed

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Mcp Server

Quick Install

Install Config Generator

Documentation Overview

Arkheia MCP Server — Fabrication Detection for LLMs

Quick Start

1. Clone and install

2. Get an API key (free)

3. Add to Claude Desktop

4. Restart Claude

Tools

Pricing

Requirements

Full Setup Guide

Links

Related MCP Servers

Frequently Asked Questions about Mcp Server

AllMCPs Directory Badge

Technical Specs & Signals

AllMCPs Server

Own this project?

Share & Embed

Explore more