# ketcher-mcp-server

> Use this tool when you need to integrate chemical structure editing capabilities into your application, enabling conversions between SMILES, MOL, and InChI formats, as well as image generation and molecular property calculations. It solves problems related to chemical structure validation, conversion, and visualization, providing outputs in various formats. Ideal for use in cheminformatics, pharmaceutical, and research contexts where accurate chemical structure representation is crucial.

Canonical page: https://skillsregistry.net/skills/lunnynight-ketcher-mcp-server  
JSON: https://api.skillsregistry.net/v1/skills/lunnynight-ketcher-mcp-server

## Description

MCP server for Ketcher chemical structure editor integration, enabling SMILES/MOL/InChI conversion, image generation, molecular property calculation, and validation.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-09-03

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** media
- **Updated:** 2026-09-03

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/efsyztqkdj)
- **Repository:** <https://github.com/lunnynight/ketcher-mcp-server>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "lunnynight-ketcher-mcp-server"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/lunnynight-ketcher-mcp-server` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/lunnynight-ketcher-mcp-server/pull`

---
SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt