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Ejentum MCP Server

answering

Ejentum MCP is answering right now. Last checked 9 min ago. 79 installs a week from npm. It exposes 4 tools. Last commit 11 Jun 2026.

Reasoning, code, anti-deception, memory harness MCP tools. Stdio or HTTPS api.ejentum.com/mcp

Installs per day peak 27 · avg 9 · -22% w/w
a month agotoday
Uptime history 91 days of history · worst day 0%
91 days agonow
100.0%
Uptime 24h
91 of 91 checks
4
Tools
read from the server
322 ms
Response time
average over 24h
79
Installs / week
npm and PyPI

What changed 5

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 11 October 2026. No other catalogue keeps this.

11 Oct 2 tools appeared ejentum_fts_search, ejentum_graph
11 Oct 2 tools changed the parameters they ask for ejentum_graph, ejentum_scaffold
11 Oct a tool changed version

Nothing serious here today

Today is the operative word: we check Ejentum MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 9 min ago.

run in your terminal
claude mcp add ejentum-mcp --transport http https://api.ejentum.com/mcp
Settings → Connectors → Add custom connector, then paste this address
https://api.ejentum.com/mcp
~/.codex/config.toml
[mcp_servers.ejentum-mcp]
url = "https://api.ejentum.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "ejentum-mcp": {
      "url": "https://api.ejentum.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "ejentum-mcp": {
      "type": "http",
      "url": "https://api.ejentum.com/mcp"
    }
  }
}

Available tools 4

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

ejentum
ejentum_domains
List the 6 invariant cognitive failure dimensions and primary failure modes mapped by Ejentum.
ejentum_fts_search
Execute sub-millisecond SQLite FTS5 full-text keyword search and BM25 ranking across the 311 deterministic reasoning abilities.
ejentum_graph
Traverse the 933-edge cognitive synergy graph to compose a multi-hop Cognitive Directed Acyclic Graph (DAG) with Root, Prerequisite, Amplifier, and Fallback operators.
ejentum_scaffold
Retrieve a deterministic reasoning scaffold (Reasoning-Augmented Retrieval) to prevent hallucinations, causal inversion, and compounding multi-step failures.

Endpoints

URLTransportStateLatencyChecked
https://api.ejentum.com/mcp streamable-http answering 350 ms 9 min ago

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Ejentum MCP — questions

Answers built from our own checks of this server.

What can Ejentum MCP do?
It exposes 4 tools, read directly from the server on our last check. Among them: ejentum_domains, ejentum_fts_search, ejentum_graph, ejentum_scaffold. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Ejentum MCP working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 322 ms. The bar chart above shows every period we have measured.
How do I connect Ejentum MCP?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Ejentum MCP need an API key?
No. Ejentum MCP completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Ejentum MCP?
It answers our handshake in 322 ms on average, which is faster than 44% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
How many people use Ejentum MCP?
The npm package ejentum-mcp was installed 79 times in the last week. Week over week that is -22%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Ejentum MCP open source?
The code is open source: it is published under the MIT licence, written in JavaScript, 16 stars on GitHub and 2 open issues. The licence covers the code in the repository, not the hosted service at api.ejentum.com, which runs on its operator's own terms.