MCP.Market

Creedspace MCP server

by Creed-Space·io.github.Creed-Space/creedspace-mcp-server·v1.1.4

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

B74/100grade B
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Safety scan
B74/100

full report

Adoption
New

0 stars41 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Creedspace tools (4)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • vcp_check_compatibility

    Check compatibility between this agent and a peer before interaction. Detects scope mismatches, privacy boundary violations, delegation limits, and value conflicts. Returns compatible/negotiable/incompatible.

  • vcp_negotiate_values

    Initiate or continue value negotiation with a peer agent. Uses priority cascade, Pareto search, or escalation to resolve detected conflicts. Returns negotiation outcome or escalation request.

  • vcp_present_attestation

    Present this agent's creed attestation to a peer. Returns the attestation artifact for the current persona's governing creed, suitable for A2A Agent Card extension or direct peer exchange.

  • vcp_verify_peer

    Verify another agent's creed attestation. Checks signatures, creed hash against Hub, expiration, and revocation. Returns trust score and verification result.

Public scan report

scanner v0.1.9 · 2026-09-24 · same rubric, same numbers if you re-run it

2 medium
  • Code scan31 source files scanned15/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 49 days ago12/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year9/10

Findings (2)

  • mediumnpm install lifecycle script presentinstall.script
  • mediumnpm install lifecycle script presentinstall.script
    package.json: …dist -name '*.map' 2>/dev/null)\"", "postinstall": "node -e \"try{const f='./dist/postinst…
Overall 74/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Creedspace compares

Against every graded AI and agents MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
74/100
higher than 43% of 4,461 AI and agents servers
Tools
4
the typical AI and agents server has 6
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Downloads a week
41
more than 32% of 1,554 AI and agents servers with a package

What its tools let an agent do: 4 read

Install Creedspace in Claude Code, Cursor or VS Code

Runs npx -y @creedspace/mcp-server on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add creedspace-mcp-server -- npx -y @creedspace/mcp-server
Add to Cursor

What the publisher says

From the Creedspace repository's README, as published. We do not edit it. Read it on GitHub

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 — @creedspace/mcp-server, the package every install path resolves to.
  • Official MCP Registry — io.github.Creed-Space/creedspace-mcp-server.
  • GitHub — source, issues, and the server.json manifest.
  • Smithery — 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

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 claudedesktopconfig.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

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Creedspace: common questions

Is Creedspace MCP server safe?
Mostly: it is graded B (74/100). Read the Creedspace safety report
How do I install Creedspace?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Creedspace need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Creedspace maintained?
The last commit was 91 days ago (2026-08-06). The latest release is v1.1.4.
What can I use instead of Creedspace?
Servers from other publishers that do the same job: Vibe Check MCP server and Shellward MCP server.
How does Creedspace compare with other AI and agents MCP servers?
safety score 74/100 (higher than 43% of 4,461 AI and agents servers); tools 4 (the typical AI and agents server has 6); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to Creedspace

Same job from other publishers: the closest match first, then the best rated.

  • Vibe Check
    Metacognitive AI agent oversight: adaptive CPI interrupts for alignment, reflection and safety
    B
  • Shellward
    AI agent security: 7 MCP tools for injection detection, PII scanning, command safety, DLP.
    A

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