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Ship and edit static sites from any MCP-compatible AI. The AI is the brain; Krexel is the hands.
About
Ship and edit static sites from any MCP-compatible AI. The AI is the brain; Krexel is the hands.
Security Report
krexel-mcp is a well-structured MCP server for deploying and editing static sites via the Krexel API. Authentication is properly implemented with Bearer token forwarding, and permissions are appropriate for its purpose. However, there are several moderate-severity concerns: credentials are accepted via environment variables without validation of their format/length, file path validation uses a simple regex pattern that could be bypassed, the API client does not validate HTTP responses against documented schemas, and error messages may leak sensitive deployment details. Code quality is generally good with comprehensive tests, but some error handling is overly broad. Supply chain analysis found 6 known vulnerabilities in dependencies (0 critical, 2 high severity). Package verification found 1 issue.
5 files analyzed · 15 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-syfer-web-krexel-mcp": {
"args": [
"-y",
"krexel-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
krexel-mcp
Ship AND edit static sites from any AI assistant that speaks the Model Context Protocol.
krexel-mcp is the official MCP server for
Krexel — a "your AI ships and edits your live site"
API. Point any MCP-compatible client (Claude Desktop, Cursor, Windsurf,
VS Code) at this server and your assistant can deploy, list, edit,
rollback, and inspect sites just by talking.
Quickstart
Add krexel-mcp to your MCP client configuration:
{
"mcpServers": {
"krexel": {
"command": "npx",
"args": ["-y", "krexel-mcp"],
"env": {
"KREXEL_API_URL": "https://api.krexel.com",
"KREXEL_API_KEY": "krx_live_••••••••••••••••",
"KREXEL_MASTER_KEY": "<your-32-byte-hex-key>"
}
}
}
}
Restart your client. The assistant now sees nine Krexel tools.
Tools
| Tool | What it does |
|---|---|
ship_site | Upload a built site folder. Returns a deploy_id and preview URL. |
edit_file | Patch a deployed site (create / replace / replace_all / delete). 0.1 deploy. |
list_files | List the files in a deployed site (path + size + sha256). |
read_file | Read one file's content from a deployed site. |
list_deploys | List recent deploys from local state. Optional domain filter. |
get_logs | Fetch build logs for a deploy. |
rollback | Mark a previous deploy as the current good version. |
set_env | Encrypt and persist an env var for a domain (AES-256-GCM). |
get_status | Return account, deploy count, plan, and state directory. |
The conversational-edit flow
- AI calls
list_files(deploy_id)to see what files exist on the site. - AI calls
read_file(deploy_id, path)to read the file it wants to change. - AI generates the new content itself, then calls
edit_file(deploy_id, op: "replace", file, find, value, message). - Krexel ships the patch as a new deploy — live in ~8 seconds, 0.1 deploy
against the customer's quota. The new
deploy_idandparent_deploy_idare returned so the AI can chain further edits on top.
The AI is the brain. Krexel is the hands.
All tools take plain JSON arguments and return JSON. Tool schemas are
discoverable via the standard MCP tools/list request.
Configuration
| Env var | Required | Default | Notes |
|---|---|---|---|
KREXEL_API_URL | no | https://api.krexel.com | Base URL of the Krexel orchestrator API. |
KREXEL_API_KEY | no* | ~/.krexel/auth.json | Account API key. Forwarded as Authorization: Bearer *** to every API call. *Required unless saved by krexel login. |
KREXEL_MASTER_KEY | yes* | — | 32-byte hex string for env-var encryption. *Required for set_env. |
State files are written under $KREXEL_HOME (default ~/.krexel/).
License
MIT © Syfer
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