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Creedspace MCP Server

by Creed-Spaceversion 1.1.4i★ –iRuns on your computer
Registry nameio.github.Creed-Space/creedspace-mcp-server

Install

Overview

Description from the maker (original English)

Constitutional-AI safety guardrails for any LLM — personas, constitutions, adjudication.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Runs on your computer
  • Transport: stdio
  • Category: Search & AI memory

Install

Pick the AI app you use, then copy the settings.

Before you install

  • Basic checks: 1 of 1 passed
  • Runs on your computer with your user’s permissions (files, network, apps).
  • The registry lists no key to fill in.

You need

  • npmNode.js installed (for the npx command)

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "creedspace": {
      "command": "npx",
      "args": [
        "-y",
        "@creedspace/mcp-server"
      ]
    }
  }
}

Run this in your terminal

claude mcp add creedspace -- npx -y @creedspace/mcp-server

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "creedspace": {
      "command": "npx",
      "args": [
        "-y",
        "@creedspace/mcp-server"
      ]
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "creedspace": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@creedspace/mcp-server"
      ]
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.

Your choice stays on this device in a cookie; no account needed.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 8, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account Creed-Space, which owns the repo

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • – Not applicable

    Endpoint responds

    This one runs on your computer; there is no internet endpoint

  • – Not applicable

    Sign-in with OAuth

    Runs on your computer and uses local settings instead

  • … Not checked yet

    No hidden instructions in tool descriptions

    Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Search & AI memoryi

  • More stars than 0% of the other 5696 servers in this category
  • Published to the registry more recently than 25% of the other 5696 servers in this category
  • Basic checks equal to or better than 100% of the other 5696 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Creedspace MCP Server safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed –, and the latest version (1.1.4) reached the registry 4 months ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.

What can I use instead?

In the same category: Context7, Codebase Memory, Exa

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Context7

Feeds AI the latest docs for libraries and frameworks before it answers, so code it writes does not use outdated, removed functions.

by upstashWidely used↓ 972.7K/wk★ 64.2KUpdated 2 days ago

Computer or cloud

Codebase Memory

Codebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.

by DeusDataWidely used↓ 18K/wk★ 48.1KUpdated 22 days ago

Runs on your computer

Exa

Connect AI agents to Exa for web search, content fetching, and multi-step research.

by exa-labsGrowing★ 5.2KUpdated 2 months ago

Runs in the cloud✓ exa.ai

README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

creedspace-mcp-server

Universal MCP server for Creed Space - AI safety guardrails in 10 seconds.

Available in

The server is published to the canonical MCP catalogues, so registry-aware clients can discover and install it directly — or use any command in Quick Start below.

  • [npm](https://www.npmjs.com/package/@creedspace/mcp-server) — @creedspace/mcp-server, the package every install path resolves to.
  • [Official MCP Registry](https://registry.modelcontextprotocol.io/v0/servers?search=io.github.Creed-Space/creedspace-mcp-server) — io.github.Creed-Space/creedspace-mcp-server.
  • [GitHub](https://github.com/Creed-Space/creedspace-mcp-server) — source, issues, and the server.json manifest.
  • [Smithery](https://smithery.ai/server/nell/creedspace) — nell/creedspace, a gateway-fronted Streamable HTTP endpoint.

Also rolling out across the wider MCP ecosystem: mcp.directory, mcpservers.org, PulseMCP (via the registry ingest), and mcp.so.

Quick Start

# STDIO transport (Claude Desktop, OpenAI Codex)

npx @creedspace/mcp-server --persona ambassador

HTTP transport (OpenAI Agents SDK)

npx @creedspace/mcp-server --transport http --port 3100

Test API connection

npx @creedspace/mcp-server test

What is Creed Space?

Creed Space provides personalized AI safety guardrails through Constitutional AI personas. Each persona enforces specific values and behaviors, ensuring AI assistants operate within defined ethical boundaries.

  • 🛡️ Reduces harmful AI outputs via constitutional evaluation of every response
  • 🎯 Refuses dangerous prompts according to the active persona's values
  • 🚀 10-second setup with any MCP-compatible AI

Available Personas

PersonaIconPurpose
Ambassador🤝Professional communication
Nanny👶Child-safe interactions
Sentinel🛡️Privacy and security focus
Godparent🕊️Religious and ethical guidance
Muse🎨Creative exploration
Anchor⚓Reality grounding

Installation

Option 1: Use with npx (Recommended)
# No installation needed - just run!

npx @creedspace/mcp-server --persona ambassador

Option 2: Global Installation
npm install -g @creedspace/mcp-server

creedspace-mcp --persona ambassador

Option 3: Project Dependency
npm install @creedspace/mcp-server

Claude Desktop Integration

Add to your claude_desktop_config.json:

{

"mcpServers": { "creedspace": { "command": "npx", "args": ["@creedspace/mcp-server", "--persona", "ambassador"] } } }

Then restart Claude Desktop to load the Creed Space guardrails.

Configuration

Environment Variables
# .env file

CREEDSPACE_API_URL=https://api.creed.space CREEDSPACE_API_KEY=your-api-key-here # Optional CREEDSPACE_DEFAULT_PERSONA=ambassador

Command Line Options
creedspace-mcp \

--persona ambassador \ --url https://api.creed.space \ --api-key YOUR_KEY \ --cache-ttl 300000 \ --offline

HTTP Transport Options

creedspace-mcp \ --transport http \ --port 3100 \ --host localhost \ --api-key YOUR_KEY \ --cors \ --cors-origin http://localhost:3000 \ --stateless

Transport Types
TransportUse CasePlatforms
stdio (default)Local subprocess communicationClaude Desktop, OpenAI Codex
httpHTTP server for remote/local connectionsOpenAI Agents SDK, custom integrations
Configuration File
# Generate example configs

creedspace-mcp --generate-config

Use config file

creedspace-mcp --config creedspace.json

Available MCP Tools

The server provides 16 tools to MCP clients:

Constitutions

  • get_constitution - Get the merged constitution for a persona
  • get_constitution_by_id - Get a specific constitution by ID
  • search_constitutions - Search the constitution library

Personas

  • list_personas - List all available personas
  • set_persona - Switch the active persona
  • get_active_persona - Get the currently active persona
  • get_uvc_qualities - Get desired/disliked/never qualities
  • get_system_prompt - Get a complete persona system prompt
  • preview_export - Preview the export configuration

Runtime guardrails

  • adjudicate - Get a policy decision kernel for a request
  • attest_response - Validate a response against the active creed
  • get_anchor - Get a compact non-negotiable-rules anchor
  • heartbeat - Periodic re-anchoring to prevent context drift
  • clear_cache - Clear the local cache

Multi-scale value handshake

  • perform_multi_scale_handshake - N-party value handshake across micro/meso/macro scales
  • get_scale_attestation - Get an attestation record with hash chain

Programmatic Usage

import { CreedSpaceMCPServer } from '@creedspace/mcp-server';

// Start server programmatically const server = new CreedSpaceMCPServer({ persona: 'ambassador', apiUrl: 'https://api.creed.space', cacheEnabled: true });

await server.start();

// Use the API client directly

import { CreedSpaceClient } from '@creedspace/mcp-server';

const client = new CreedSpaceClient(); const personas = await client.getPersonas(); const constitution = await client.getMergedConstitution('ambassador');

Platform Integration Examples

OpenAI Agents SDK (HTTP Transport)
from agents import Agent

from agents.mcp import MCPServerStreamableHttp

Start the server first:

npx @creedspace/mcp-server --transport http --port 3100

server = MCPServerStreamableHttp( url="http://localhost:3100/mcp", name="creedspace" )

agent = Agent( name="safe-agent", tools=[server.get_tools()] )

The agent now has access to Creed Space safety tools

OpenAI Codex (STDIO Transport)

Add to ~/.codex/config.toml:

[mcp_servers.creedspace]

command = "npx" args = ["@creedspace/mcp-server", "--persona", "ambassador"]

[mcp_servers.creedspace.env] CREEDSPACE_API_URL = "https://api.creed.space"

VS Code / Cursor
{

"mcp.servers": { "creedspace": { "command": "npx", "args": ["@creedspace/mcp-server", "--persona", "ambassador"] } } }

Continue.dev
{

"models": [{ "provider": "openai", "mcp_servers": [{ "command": "npx", "args": ["@creedspace/mcp-server"] }] }] }

LangChain
from langchain.tools import MCPTool

creedspace = MCPTool( command="npx", args=["@creedspace/mcp-server", "--persona", "ambassador"] )

Testing

# Test API connection

npx @creedspace/mcp-server test

Test with specific URL

npx @creedspace/mcp-server test --url http://localhost:8000

Offline Mode

The server includes intelligent caching for offline usage:

# Enable offline mode with cached data

creedspace-mcp --offline --persona ambassador

Development

# Clone the repository

git clone https://github.com/Creed-Space/creedspace-mcp-server.git cd creedspace-mcp-server

Install dependencies

npm install

Build TypeScript

npm run build

Run in development mode

npm run dev

Run tests

npm test

API Documentation

Full API documentation available at https://api.creed.space/api-docs

Support

License

MIT © Nell Watson


*Building critical AI safety infrastructure that shapes autonomous AI-human value interaction.*

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