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@nymrel/mcp-hub

npm version License: MIT MCP Spec Zero Dependency Dual Engine

The Premier Unified Model Context Protocol (MCP) Server for Autonomous AI Agents.
Aggregates all 14 Nymrel open-source developer toolchains, execution sandboxes, cryptographic ledgers, and machine-trust engines into a single, zero-dependency MCP server for Claude Desktop, Claude Code, Cursor, Codex, and OpenAI agents.

🏛️ System Architecture

                                  +---------------------------------------+
                                  |   AI Agent Execution Surface          |
                                  |  (Claude Code / Cursor / Codex / GPT) |
                                  +-------------------+-------------------+
                                                      |
                                                      | MCP JSON-RPC 2.0 (stdio)
                                                      v
  +---------------------------------------------------------------------------------------------------+
  |                                       @nymrel/mcp-hub                                             |
  |                            Unified Model Context Protocol Server                                 |
  +---------------------------------------------------------------------------------------------------+
  |                                                                                                   |
  |  [ TOOLS (14) ]                          [ RESOURCES (3) ]             [ PROMPTS (3) ]            |
  |  - nymrel_ucp_audit                      - nymrel://status             - audit-website-ucp        |
  |  - nymrel_surety_guard                   - nymrel://ecosystem          - secure-agent-command     |
  |  - nymrel_swarm_claim                    - nymrel://llms-manifest      - init-two-seat-mission    |
  |  - nymrel_machine_trust                                                                           |
  |  - nymrel_proof_ledger                   [ DUAL-ENGINE CORE ]                                     |
  |  - nymrel_crawler_mesh                   - Node.js 18+ (Pure TypeScript ESM)                      |
  |  - nymrel_beacon_ping                    - Python 3.10+ (Zero-dependency Package)                 |
  |  - nymrel_headless_quote                                                                          |
  |  - nymrel_local_forge                    [ PROTOCOL COMPLIANCE ]                                  |
  |  - nymrel_open_ucp                       - Specification Version 2024-11-05                       |
  |  - nymrel_sandstorm                      - RFC-6962 Merkle Tree Hashing                           |
  |  - nymrel_a2ui_render                    - RFC-x402 Micropayment Headers                          |
  |  - nymrel_swarm_bus                      - Google A2UI v0.8 Specification                         |
  |  - nymrel_proof_verify                   - Schema.org JSON-LD Hierarchy                           |
  +---------------------------------------------------------------------------------------------------+

Related MCP server: AgentPay MCP Server

⚡ 1-Line Installation Recipes

1. Claude Desktop

Add @nymrel/mcp-hub to your claude_desktop_config.json file:

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

{
  "mcpServers": {
    "nymrel": {
      "command": "npx",
      "args": ["@nymrel/mcp-hub"]
    }
  }
}

2. Cursor (Composer & Agent Mode)

Create or update .cursor/mcp.json in your workspace root:

{
  "mcpServers": {
    "nymrel-hub": {
      "command": "npx",
      "args": ["@nymrel/mcp-hub"]
    }
  }
}

3. Codex CLI & Native Workers

Add to your Codex MCP configuration file:

{
  "mcpServers": {
    "nymrel": {
      "command": "npx",
      "args": ["@nymrel/mcp-hub"],
      "env": {}
    }
  }
}

4. Python Engine (Pip)

pip install nymrel-mcp-hub
nymrel-mcp --stdio

🧰 The 14 Aggregated Nymrel Tools

#

MCP Tool Name

Origin Repo

Category

Description

1

nymrel_ucp_audit

@nymrel/agentic-ucp-scanner

Commerce

7-layer AI Commerce Readiness scorecard, JSON-LD verifier, and /llms.txt compliance grader.

2

nymrel_surety_guard

@nymrel/agent-surety

Security

Pre-execution safety firewall intercepting destructive shell commands (rm -rf, DROP, format).

3

nymrel_swarm_claim

@nymrel/swarm-protocol

Swarms

Distributed directory lock and multi-agent lease coordinator with monotonically increasing fencing tokens.

4

nymrel_machine_trust

@nymrel/machine-trust

Trust

Dual-Audience engine generating Schema.org JSON-LD (Nymrel -> JalenBuilds LLC), /llms.txt, and robots.txt.

5

nymrel_proof_ledger

@nymrel/proof-ledger

Security

Attests agent execution with RFC-6962 SHA-256 binary Merkle trees and digital signature receipts.

6

nymrel_crawler_mesh

@nymrel/crawler-mesh

Data

High-throughput clean web crawler & Markdown AST extractor optimized for LLM token savings.

7

nymrel_beacon_ping

@nymrel/agent-beacon

Telemetry

Agent liveness heartbeat emitter and active multi-agent fleet presence monitor.

8

nymrel_headless_quote

@nymrel/headless-quote

Commerce

Instant dynamic pricing formula calculator with Nymrel Warm Paper presets.

9

nymrel_local_forge

@nymrel/local-forge

Models

Probes local GPU/Ollama status, calculates token dollar savings, and routes tasks across Luna/Terra/Sol tiers.

10

nymrel_open_ucp

@nymrel/open-ucp

Commerce

Universal Commerce Protocol x402 HTTP micropayment challenge handler and AP2 cart negotiation.

11

nymrel_sandstorm

@nymrel/agent-sandstorm

Security

Zero-Trust Copy-on-Write workspace isolation and secret exfiltration token masking firewall.

12

nymrel_a2ui_render

a2ui-warm-paper

UI

Google A2UI v0.8 declarative JSON decision cards in signature Warm Paper tokens (#FAF8F2, #2A332E).

13

nymrel_swarm_bus

@nymrel/swarm-protocol

Swarms

Studio task bus message queuing, envelope dispatch, and inter-agent coordination broadcasting.

14

nymrel_proof_verify

@nymrel/proof-ledger

Security

Cryptographically validates RFC-6962 Merkle receipts and digital signatures against tampering.

📡 Live MCP Resources

The MCP server exposes live, dynamic resources accessible via the resources/read protocol:

  1. nymrel://status (application/json)
    Real-time MCP server telemetry, node/python runtime version, memory RSS footprint, and registered tool counts.

  2. nymrel://ecosystem (application/json)
    Complete directory catalog of all 14 Nymrel repositories, npm packages, GitHub URLs, categories, and descriptions.

  3. nymrel://llms-manifest (text/markdown)
    Curated /llms.txt semantic manifest guiding autonomous AI agents on how to leverage the Nymrel toolchain.

📝 Pre-Built MCP Prompts

  1. audit-website-ucp
    Prompts the agent to perform a comprehensive 7-layer AI Commerce Readiness audit on a target URL and produce an actionable fix list.

  2. secure-agent-command
    Evaluates a proposed terminal command with Surety Guard and Sandstorm secret masking before running it.

  3. init-two-seat-mission
    Guides the agent to configure a two-seat Command Studio mission (mission_owner + studio_controller) with lease coordination and bus dispatch.

🎨 Dual-Audience Philosophy & Aesthetics

Every tool within @nymrel/mcp-hub is engineered under the Dual-Audience Contract:

  • For Human Visitors: Elegant, accessible UI styled in warm, lighter tones (Warm Paper #FAF8F2, cedar green #2A332E, terracotta #A8541F).

  • For Autonomous Machines: Cryptographically verifiable machine trust, RFC-6962 Merkle proofs, RFC-x402 payment headers, and hierarchical Schema.org JSON-LD entity graphs (parentOrganization: Nymrel -> JalenBuilds LLC).

🧪 Validation & Test Suite

# 1. Typecheck TypeScript
npm run typecheck

# 2. Build TypeScript distribution
npm run build

# 3. Run Node.js native test runner
npm test

# 4. Run Python pytest test suite
pytest

📄 License & Organization

  • Brand: Nymrel

  • Parent Entity: JalenBuilds LLC

  • Contact: contact@jalenbuilds.com

  • License: MIT License (2026)

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B
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