Memex (evan-moon) MCP Server

Make Claude smarter about you. Local-first second brain that connects to Claude via MCP. Notes are stored as plain Markdown and indexed with a local ML model, fully offline, no API keys, nothing leaves your machine. Its 13 documented tools cover note, notes, inference.

People connecting productivity tools to Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-08-21 · ★ 3 · #53 OF 139 MAINTAINED PRODUCTIVITY · VERIFIED 2026-08-25

MIT · TypeScript servers · how we verify → /methodology

01 · Install Memex (evan-moon)

before you install - you'll need

The README does not document required environment variables for a basic install.

Claude Code

claude mcp add evan-moon-memex -- npx -y @evan-moon/memex

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "evan-moon-memex": {
      "command": "npx",
      "args": [
        "-y",
        "@evan-moon/memex"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package @evan-moon/memex - published under the repo owner's npm scope (@evan-moon)

registry namespace io.github.evan-moon is GitHub-verified and matches the repo owner

03 · What Memex (evan-moon) can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

With this server connected, an agent can save a note, requires layer, warns if a similar note already exists, surfaces flashbacks, list recent notes, list all tags with note counts, and list all folders with note counts.

Capability map

Tools grouped from the project's README - what Memex (evan-moon) lets an agent do.

read & search

5 tools - e.g. List all tags with note counts; List all folders with note counts; Deterministic un-synthesized patterns (hidden_arc / stale_state / dangling_link / tag_burst)

list_tags · list_folders · get_signals · list_inferences · get_inference

Note

4 tools - e.g. Save a note, requires layer, warns if a similar note already exists, surfaces flashbacks; Get full content and backlinks of a note by ID; Update title or content. Refuses past notes (with [Amendment]…

save_note · get_note · update_note · delete_note

Notes

2 tools - e.g. Semantic search; supports category, tag, date_from, date_to filters; appends flashbacks for the top result; List recent notes

search_notes · list_notes

update

1 tool - e.g. Triage a signal, dismiss or snooze

update_signal_status

Mint

1 tool - e.g. Persist an approved hypothesis, requires explicit confirmation

mint_inference

Limitations (from the README)

Every note is classified into one of three layers based on mutability: The CLI prints a colour-coded [past] / [state] / [rule] badge next to each note in list, search, and show.

Latest releases

v0.7.0 · 2026-08-18

Passage-level retrieval · Search embedded each note as a single vector - and multilingual-e5-base takes 512 tokens. Measured on a 1,335-note vault: 74% of notes were silently truncated, and 78% of the vault's tokens…

v0.6.1 · 2026-07-19

Fixed · Auto-recall no longer injects irrelevant notes. · Recall injected 3 note titles into every prompt regardless of relevance. Conversational and meta prompts ("what order does this run in?", "let's improve #1")…

v0.6.0 · 2026-07-16

Compact search index · search_notes used to return full note bodies - one call could dump four blog-length notes (~60k chars) into Claude's context. It now returns a compact index and lets the model decide what to…

04 · Who maintains Memex (evan-moon)

memex is maintained by evan-moon. We track 2 MCP servers from evan-moon - 1 actively maintained, 3 combined GitHub stars, oldest repo from May 2026.

05 · Facts

repository: github.com/evan-moon/memex
category: productivity - ranked #53 of 139 actively-maintained productivity servers as of 2026-08-25.
release cadence: 6 releases in the last 90 days (latest 2026-08-18)
registry: io.github.evan-moon/memex (active, first published 2026-07-14)
packages: npm:@evan-moon/memex

06 · Memex (evan-moon) FAQ

Is Memex (evan-moon) still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-21 and it shipped 6 releases in the last 90 days. We re-verify nightly.

What can Memex (evan-moon) do?

How do I install Memex (evan-moon)?

Run `npx -y @evan-moon/memex`. The README does not document required environment variables for a basic install. You can also paste the ready-made client config above.

Does Memex (evan-moon) run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Memex (evan-moon)

Alternatives to Memex (evan-moon)

Maintained productivity servers if Memex (evan-moon) isn't the fit.

Pairs well with

Servers that cover what Memex (evan-moon) doesn't - only shown when the pairing reason fits the companion.

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