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ug

ug is an MCP server for Claude Code, Codex, Cursor from emergent-wisdom/understanding-graph. Its token cost is not measured, scanned A, original, MIT.

A local, persistent knowledge store for an agent's understanding of a project. It represents that understanding as a revisable graph, where related pieces of information can be connected.

In plain words
What is it for?
Use it to store, update, and retrieve connected project knowledge through the understanding-graph MCP server. It requires two environment variables to run.
Why use it?
It lets an agent keep project understanding between runs instead of rebuilding it from scratch each time.

MCP server for Claude CodeCodexCursor

Part of the understanding-graph plugin — 10 skills, 2 MCP servers shipped together

not rated 1 10d ago A scan tokens not measured original MIT
View the source file emergent-wisdom/understanding-graph
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add mcp/emergent-wisdom/understanding-graph/ug
Clone the repo
git clone --depth 1 https://github.com/emergent-wisdom/understanding-graph

Made for: Claude Code, Codex, Cursor.

Or install understanding-graph, the plugin that ships this one along with the rest of its 10 skills, 2 MCP servers.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for ug

README.md
[![agentmods](https://agentmods.dev/badge/mcp/emergent-wisdom/understanding-graph/ug.svg)](https://agentmods.dev/mcp/emergent-wisdom/understanding-graph/ug)
Your own site
<a href="https://agentmods.dev/mcp/emergent-wisdom/understanding-graph/ug"><img src="https://agentmods.dev/badge/mcp/emergent-wisdom/understanding-graph/ug.svg" alt="Measured on agentmods" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

ug scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.mcp.json · 14 lines

What it actually says

{
  "ug": {
    "command": "npx",
    "args": [
      "-y",
      "[email protected]",
      "mcp"
    ],
    "env": {
      "PROJECT_DIR": "./projects",
      "UG_SOURCE_ROOT": "."
    }
  }
}
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 4d ago First seen · 14 lines scan A 7cfe07d52c25

Subscribe to this mod's changes

ug is an MCP server published in the GitHub repository emergent-wisdom/understanding-graph (1 stars, last pushed 10d ago), licensed MIT. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

LLMMemory and contextagentaiclaudeknowledge-graphmcp
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