DECIMER MCP Server

by docminus Your server? Claim it

local only

DECIMER MCP Server runs on your own machine — the client starts it, so there is no endpoint to ping. 121 installs a week from pypi. Last commit 13 Apr 2026.

MCP server for DECIMER image-to-SMILES chemical structure recognition

Installs per day peak 44 · avg 20 · +8% w/w

a month agotoday

121

Installs / week

pypi · decimer-mcp-server

Stars

0 open issues

13 Apr 2026

Last commit

0 releases in 90 days

MIT

License

Python

Nothing serious here today

Today is the operative word: we check DECIMER MCP Server every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add decimer-mcp-server -- uvx decimer-mcp-server

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "decimer-mcp-server": {
      "args": [
        "decimer-mcp-server"
      ],
      "command": "uvx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.decimer-mcp-server]
command = "uvx"
args = ["decimer-mcp-server"]

.cursor/mcp.json

{
  "mcpServers": {
    "decimer-mcp-server": {
      "args": [
        "decimer-mcp-server"
      ],
      "command": "uvx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "decimer-mcp-server": {
      "args": [
        "decimer-mcp-server"
      ],
      "command": "uvx"
    }
  }
}

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DECIMER MCP Server — questions

Answers built from our own checks of this server.

Why is there no uptime for DECIMER MCP Server?

DECIMER MCP Server runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the pypi package decimer-mcp-server was installed 121 times last week.

How do I connect DECIMER MCP Server?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls decimer-mcp-server straight from pypi; nothing to host, nothing to sign up for.

How many people use DECIMER MCP Server?

The pypi package decimer-mcp-server was installed 121 times in the last week. Week over week that is +8%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is DECIMER MCP Server open source?

Yes — it is published under the MIT licence, written in Python and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.