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PopNx MCPMCP servers for people who use AI · explained in plain words

Junê

by Junemindversion 0.8.1i★ –iRuns on your computer
Registry nameio.github.Junemind/june-mcp

Install

Overview

Description from the maker (original English)

Shared, cited knowledge-graph memory for agents — ask, search, remember, keep standing instructions

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Runs on your computer
  • Transport: stdio
  • Category: Search & AI memory
  • You need to fill in: JUNE_BASE_URL, JUNE_CANVAS, JUNE_API_KEY, JUNE_LLM_KEY

Install

Pick the AI app you use, then copy the settings.

Before you install

  • Basic checks: 1 of 1 passed
  • Runs on your computer with your user’s permissions (files, network, apps).
  • You fill in yourself: JUNE_BASE_URL, JUNE_CANVAS, JUNE_API_KEY, JUNE_LLM_KEY, JUNE_CANVAS_CREATE, JUNE_READONLY, JUNE_FILES_ROOT, JUNE_DOCS_CANVAS, JUNE_DOCS_REFRESH, JUNE_REFRESH_CALLS, JUNE_REFRESH_MINUTES, JUNE_DIGEST_CHARS, JUNE_EXPORT_ROOT

Values marked secret are keys to your account. Never share them or paste them into a chat.

You need

  • PyPIPython’s uv installed (for the uvx command)

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "june": {
      "command": "uvx",
      "args": [
        "june-mcp"
      ],
      "env": {
        "JUNE_BASE_URL": "your-value",
        "JUNE_CANVAS": "your-value",
        "JUNE_API_KEY": "your-value",
        "JUNE_LLM_KEY": "your-value",
        "JUNE_CANVAS_CREATE": "your-value",
        "JUNE_READONLY": "your-value",
        "JUNE_FILES_ROOT": "your-value",
        "JUNE_DOCS_CANVAS": "your-value",
        "JUNE_DOCS_REFRESH": "your-value",
        "JUNE_REFRESH_CALLS": "your-value",
        "JUNE_REFRESH_MINUTES": "your-value",
        "JUNE_DIGEST_CHARS": "your-value",
        "JUNE_EXPORT_ROOT": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add june --env JUNE_BASE_URL=your-value --env JUNE_CANVAS=your-value --env JUNE_API_KEY=your-value --env JUNE_LLM_KEY=your-value --env JUNE_CANVAS_CREATE=your-value --env JUNE_READONLY=your-value --env JUNE_FILES_ROOT=your-value --env JUNE_DOCS_CANVAS=your-value --env JUNE_DOCS_REFRESH=your-value --env JUNE_REFRESH_CALLS=your-value --env JUNE_REFRESH_MINUTES=your-value --env JUNE_DIGEST_CHARS=your-value --env JUNE_EXPORT_ROOT=your-value -- uvx june-mcp

Fill in the empty values before running it.

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "june": {
      "command": "uvx",
      "args": [
        "june-mcp"
      ],
      "env": {
        "JUNE_BASE_URL": "your-value",
        "JUNE_CANVAS": "your-value",
        "JUNE_API_KEY": "your-value",
        "JUNE_LLM_KEY": "your-value",
        "JUNE_CANVAS_CREATE": "your-value",
        "JUNE_READONLY": "your-value",
        "JUNE_FILES_ROOT": "your-value",
        "JUNE_DOCS_CANVAS": "your-value",
        "JUNE_DOCS_REFRESH": "your-value",
        "JUNE_REFRESH_CALLS": "your-value",
        "JUNE_REFRESH_MINUTES": "your-value",
        "JUNE_DIGEST_CHARS": "your-value",
        "JUNE_EXPORT_ROOT": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "june": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "june-mcp"
      ],
      "env": {
        "JUNE_BASE_URL": "your-value",
        "JUNE_CANVAS": "your-value",
        "JUNE_API_KEY": "your-value",
        "JUNE_LLM_KEY": "your-value",
        "JUNE_CANVAS_CREATE": "your-value",
        "JUNE_READONLY": "your-value",
        "JUNE_FILES_ROOT": "your-value",
        "JUNE_DOCS_CANVAS": "your-value",
        "JUNE_DOCS_REFRESH": "your-value",
        "JUNE_REFRESH_CALLS": "your-value",
        "JUNE_REFRESH_MINUTES": "your-value",
        "JUNE_DIGEST_CHARS": "your-value",
        "JUNE_EXPORT_ROOT": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.

Your choice stays on this device in a cookie; no account needed.

Values you fill in

  • JUNE_BASE_URL required env
    Your June endpoint, e.g. http://localhost:8000 (the Junê desktop app's local engine, your own june-local service, or a hosted Team workspace)
  • JUNE_CANVAS required env
    The canvas (workspace) to bind this connection to — a name (e.g. 'work') or a canvas id; names resolve at startup and ambiguous names fail closed
  • JUNE_API_KEY secret required env
    Your June API key (set JUNE_ALLOW_ANON=1 instead to explicitly opt out for keyless local setups)
  • JUNE_LLM_KEY secret env
    Bring-your-own LLM key for cited answers — forwarded per-request as a header, never logged or stored on the service
  • JUNE_CANVAS_CREATE env
    Set to 1 to create the named canvas on first run if it doesn't exist yet (refused in read-only mode)
  • JUNE_READONLY env
    Set to 1 to hide and refuse all write tools (memory becomes read-only)
  • JUNE_FILES_ROOT env
    Opt-in directory agents may upload files from via june_ingest_file — unset means that tool doesn't exist
  • JUNE_DOCS_CANVAS env
    Canvas holding the agent's standing docs/skills/learnings (default 'agent_docs')
  • JUNE_DOCS_REFRESH env
    Set to 0 to disable the periodic standing-docs digest re-injected on tool results (default on)
  • JUNE_REFRESH_CALLS env
    Tool calls between digest injections (default 12) — lower it for small-context agents
  • JUNE_REFRESH_MINUTES env
    Wall-clock fallback between digest injections (default 10)
  • JUNE_DIGEST_CHARS env
    Standing-docs digest size cap in characters (default 2000)
  • JUNE_EXPORT_ROOT env
    Opt-in directory for repo sync — enables june_docs_export / june_page_export / june_page_import (fenced writes, commit-only git); unset means those tools don't exist

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account Junemind, which owns the repo

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • – Not applicable

    Endpoint responds

    This one runs on your computer; there is no internet endpoint

  • – Not applicable

    Sign-in with OAuth

    Runs on your computer and uses local settings instead

  • … Not checked yet

    No hidden instructions in tool descriptions

    Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Search & AI memoryi

  • More stars than 0% of the other 7254 servers in this category
  • Published to the registry more recently than 55% of the other 7254 servers in this category
  • Basic checks equal to or better than 100% of the other 7254 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Junê safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

You need to fill in: JUNE_BASE_URL, JUNE_CANVAS, JUNE_API_KEY, JUNE_LLM_KEY

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.8.1) reached the registry 31 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Python (uv) on your computer.

What can I use instead?

In the same category: Context7, Codebase Memory, Exa

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Context7

by upstash

Feeds AI the latest docs for libraries and frameworks before it answers, so code it writes does not use outdated, removed functions.

Computer or cloud★ 64,224MITUpdated today
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Codebase Memory

by DeusData

Codebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.

Runs on your computer★ 48,148MITUpdated 20 days ago
Install

Exa

by exa-labs

Connect AI agents to Exa for web search, content fetching, and multi-step research.

Runs in the cloud★ 5,213MITUpdated last month
Install

README from the maker

No README found in the repo

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