Atlas / MCP servers / lsd-so / LSD

LSDCAUTION

Name: LSD
Author: lsd-so

mcp/lsd-so/lsd

MCP server by lsd-so · Audited 2026-10-07

⚑ Report / re-scan Source ↗

LSD Model Context Protocol

Verdict

CAUTION

Grade

Trust score

82 /100

Exposed tools

4 3r · 1w · 0d

Transport

—

License

—

Stars

Overview

From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.

Immediately gather an aggregation of high quality info directly from a website just by giving LSD the link via Claude MCP.

You will see Claude connect to the internet and:

Write LSD SQL
Self-correct LSD SQL
Run LSD SQL that's connected to cloud browsers

Demo

Here's a demo of what that looks like in action:

We treated Claude to psychedelic therapy on LSD and now it can just do things. Here's a longer video on YouTube

Quickstart
Dependencies
Giving Claude LSD
Claude on LSD
Failed to start MCP server
First time running an MCP server
Missing executable
Incomplete path
What is MCP?
What is LSD?
Contact
Smithery
Installing via Smithery

Quickstart

Dependencies

To run the MCP server, you'll need both Python and uv installed. To use the MCP server, you'll need to download either the Claude desktop app or another MCP client.

To use LSD, you'll need to sign up and create an API key so your queries are privately associated to only your account. You can do so for free with a Google account.

Giving Claude LSD

Clone this repository onto your computer

$ git clone https://github.com/lsd-so/lsd-mcp.git
$ cd lsd-mcp

Update the values in the .env file with LSD_USER containing the email you have an account on LSD with and LSD_API_KEY containing the API key you obtained from the p

Read from source at commit 1ac55f08f1d3OBSERVED · 2026-10-07

Connect

Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control. Replace the environment placeholders with a token scoped to the least it needs.

claude-code

claude mcp add lsd-mcp --env LSD_API_KEY=${LSD_API_KEY} -- uvx lsd-mcp

claude-desktop

{
  "mcpServers": {
    "lsd-mcp": {
      "command": "uvx",
      "args": [
        "lsd-mcp"
      ],
      "env": {
        "LSD_API_KEY": "${LSD_API_KEY}"
      }
    }
  }
}

Exposed tools (4)

3 read · 1 write · 0 destructive.

Tool	Risk	Description
`run_lsd`	write	Runs LSD SQL using user credentials in .env
`search_trips`	read	Returns a list of objects with LSD trips available to the user and what each of them do.
`use_trip`	read	Invokes a trip on LSD based on its identifier using the [ACCORDING TO] keywords.
`view_lsd`	read

Trust audit

CAUTIONgrade B · trust 82/100 Install with care. The audit found things worth knowing before you trust its output.

Layer	What it checks	Result
L0	Provenance & inventory	FAIL
L1	Static analysis of the code	PASS
L2	Instruction surface (what it tells the agent)	PASS
L3	Class-specific surface	PASS
L4	Behavioural (sandbox)	SKIPPED

What the source does

Filesystem: none-observed
Network: none-observed
Shell: none-observed
Dependencies: pinned
Secrets in source: found

Findings (8)

HIGHHard-coded secrets · inv.env_committed · CWE-798, CWE-321

.env

.env

Why it matters. a real .env in the package

Fix. ship .env.example with placeholders only

LOWInventory / provenance · inv.hidden_file · CWE-1104

.env

.env

Why it matters. hidden member outside the usual dotfiles

Fix. review its purpose

LOWInventory / provenance · inv.no_license · CWE-1104

Why it matters. no LICENSE file and no repo licence

Fix. add a licence