MCP.Market

RationalBloks MCP server

online · 96% uptime
by rationalbloks.com·com.rationalbloks/mcp·v0.16.1·1 stars
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Deploy production REST and Neo4j Graph APIs from JSON schemas in seconds.

A85/100grade A
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Safety scan
A85/100

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Adoption
Growing

1 stars

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RationalBloks tools

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How RationalBloks compares

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

Safety score
85/100
higher than 70% of 1,119 Developer tools servers
Uptime
96%
of our recent checks; the typical remote Developer tools server answers 100%
Response time
534 ms
faster than 21% of 443 Developer tools servers
GitHub stars
1
more than 50% of 855 Developer tools servers

Release history: 6 versions in the registry since 2026-09-17, latest 2026-10-14, typically one every 4 days.

Install RationalBloks in Claude Code, Cursor or VS Code

claude mcp add --transport http mcp https://mcp.rationalbloks.com/
Add to Cursor

What the publisher says

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

RationalBloks MCP Server

Deploy production APIs in minutes. 49 tools for projects, schemas, deployments, object storage, and graph data — delivered on infrastructure you own (self-host or your own BYOC cluster).

What Is This?

RationalBloks MCP lets AI agents (Claude, Cursor, etc.) deploy production APIs from a JSON schema. No backend code to write. No infrastructure to manage.

"Create a task management API with tasks, projects, and users"
→ 2 minutes later: Production API running on Kubernetes

Installation

# recommended — no install step, always the latest release
uvx rationalbloks-mcp@latest

# or install into an environment
pip install rationalbloks-mcp

Quick Start

1. Get Your API Key

Visit rationalbloks.com/settings and create an API key.

2. Configure Your AI Agent

VS Code - Add to .vscode/mcp.json (Cursor: .cursor/mcp.json with a mcpServers key):

{
  "servers": {
    "rationalbloks": {
      "command": "uvx",
      "args": ["rationalbloks-mcp@latest"],
      "env": {
        "RATIONALBLOKS_API_KEY": "rb_sk_your_key_here"
      }
    }
  }
}

Claude Desktop - Add to claudedesktopconfig.json:

{
  "mcpServers": {
    "rationalbloks": {
      "command": "uvx",
      "args": ["rationalbloks-mcp@latest"],
      "env": {
        "RATIONALBLOKS_API_KEY": "rb_sk_your_key_here"
      }
    }
  }
}

Remote (no install): point any MCP client at https://mcp.rationalbloks.com/mcp (Streamable HTTP) with Authorization: Bearer rbsk....

49 Tools

Relational Read Operations (15 tools)

Relational Write Operations (7 tools)

Graph Schema Operations (11 tools)

Shortened. The full README is on GitHub.

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

Grade history

  • 2026-10-02restoreB → Ascore 85: Write-action tools reachable without authentication; Unusually long tool description (over 2,000 characters)
  • 2026-09-19restoreC → Bscore 83: Write-action tools reachable without authentication; Unusually long tool description (over 2,000 characters)

RationalBloks: common questions

Is RationalBloks MCP server safe?
Yes, by our scan: it is graded A (85/100). Read the RationalBloks safety report
How do I install RationalBloks?
It runs remotely at mcp.rationalbloks.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does RationalBloks need an API key?
Yes. The registry entry asks for RATIONALBLOKS_API_KEY.
Is RationalBloks maintained?
The last commit was 41 days ago (2026-09-24). The latest release is v0.16.1.
Is RationalBloks up?
96% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of RationalBloks?
Servers from other publishers that do the same job: Graphql Enhanced MCP server, walkerOS Flow MCP server and Omnara MCP server.
How does RationalBloks compare with other Developer tools MCP servers?
safety score 85/100 (higher than 70% of 1,119 Developer tools servers); uptime 96% (of our recent checks; the typical remote Developer tools server answers 100%); response time 534 ms (faster than 21% of 443 Developer tools servers). Full comparison.

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