Knowl MCP Server

Your CLAUDE.md only grows. Knowl retires facts when they change. Quick start · Why supersession · What gets stored · Features · Agent setup · Viewer · Requirements · Full reference →

People who work with knowl, memory and codex and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-09-16 · ★ 90 · #13 OF 304 MAINTAINED MEMORY · VERIFIED 2026-09-18

Apache-2.0 · TypeScript servers · how we verify → /methodology

01 · Install Knowl

before you install - you'll need

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

Claude Code

claude mcp add dat999zx-knowl --transport http https://api.knowl.cloud/mcp/

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "dat999zx-knowl": {
      "url": "https://api.knowl.cloud/mcp/"
    }
  }
}

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

https://api.knowl.cloud/mcp/

transport: streamable-http

endpoint alive - authentication required · probed 2026-09-18

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 · remote - your agent's requests go to api.knowl.cloud

endpoint auth requires authentication - rejected our unauthenticated MCP initialize

license Apache-2.0 - declared in the repository

npm package @dat999zx/knowl - published under the repo owner's npm scope (@dat999zx)

registry namespace io.github.dat999zx is GitHub-verified and matches the repo owner

03 · What Knowl can do

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

Latest releases

v5.23.0 · 2026-09-10

A repo can say a linked repo's item is wrong · One repo owns an item and only that repo may change it. That rule is what stops a neighbour · silently retiring knowledge its owner had good reason to hold - but on its…

v5.22.1 · 2026-09-07

The skill run banner no longer corrupts the MCP transport. runSkillPackage wrote its banner with console.log, and it has two callers that disagree about what stdout is: on the CLI it is the operator's terminal, under…

v5.22.0 · 2026-09-06

OpenClaw in-process plugin integration. OpenClaw is supported via an in-process plugin package (@dat999zx/knowl/plugin and integrations/openclaw) rather than shell hooks. Running inside the OpenClaw gateway evaluates…

04 · Who maintains Knowl

Knowl is maintained by dat999zx. It's the only MCP server we track from this author; the repo dates to Jun 2026.

05 · Facts

repository: github.com/dat999zx/knowl
website: https://knowl.cloud/
category: memory - ranked #13 of 304 actively-maintained memory servers as of 2026-09-18.
release cadence: 10+ releases in the last 90 days (latest 2026-09-10)
registry: io.github.dat999zx/knowl (active, first published 2026-09-10)
packages: npm:@dat999zx/knowl

06 · Knowl FAQ

What is Knowl?

Your CLAUDE.md only grows. Knowl retires facts when they change. Quick start · Why supersession · What gets stored · Features · Agent setup · Viewer · Requirements · Full reference →

Is Knowl still maintained?

Yes - as of 2026-09-18, its last commit was 2026-09-16 and it shipped 10+ releases in the last 90 days. We re-verify nightly.

How do I install Knowl?

Run `npx -y @dat999zx/knowl`. The README does not document required environment variables for a basic install. You can also paste the ready-made client config above.

Does Knowl require authentication?

Yes - when we probed the endpoint on 2026-09-18, it rejected an unauthenticated MCP initialize; you'll need credentials to connect.

07 · Alternatives to Knowl

Alternatives to Knowl

Maintained memory servers if Knowl isn't the fit.

Pairs well with

Servers that cover what Knowl doesn't - only shown when the pairing reason fits the companion.

More memory MCP servers · Deep Mem · Hubmesh · Forensic Deepdive · A Mem MCP

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