1C MCP Toolkit
MCP и REST API сервер для получения метаданных и данных из базы 1С
What is 1C MCP Toolkit?
1C MCP Toolkit is a Model Context Protocol (MCP) server that allows AI assistants like Claude, Cursor, and VS Code to mcp и rest api сервер для получения метаданных и данных из базы 1с
MCP и REST API сервер для получения метаданных и данных из базы 1С
This server falls under the Business Applications category on MCPgee, the world's largest MCP server directory with 33,000+ servers.
Features
- MCP и REST API сервер для получения метаданных и данных из б
Use Cases
Maintainer
Works with
Installation
Manual Installation
npx 1c-mcp-toolkitConfiguration
Configuration Details
claude_desktop_config.json
Performance
Response Metrics
Resource Usage
How to Set Up and Use 1C MCP Toolkit
The 1C MCP Toolkit is an MCP and REST API server that exposes metadata and business data from 1C:Enterprise databases to AI assistants and external tools. It runs as an external processing file (.epf) directly inside 1C:Enterprise 8.2.13+ or as a standalone Docker/Python proxy, giving AI agents structured access to query execution, code evaluation, metadata inspection, event logs, access rights, and BSL syntax help. Organizations running 1C ERP or accounting systems use this toolkit to let Claude and other LLMs answer business questions, generate reports, debug configurations, and automate data retrieval without custom integration code.
Prerequisites
- 1C:Enterprise version 8.2.13 or newer (8.3.25+ recommended for full feature support)
- Access to the 1C database you want to expose (administrator rights recommended)
- Docker or Python 3.8+ if using the proxy deployment mode
- An MCP-compatible AI client such as Claude Desktop
- Network access between the AI client machine and the 1C server (port 6003 by default)
Download the toolkit processing file
Download `MCP_Toolkit.epf` from the GitHub releases page at https://github.com/ROCTUP/1c-mcp-toolkit. This is a standard 1C external processing file that runs inside any 1C:Enterprise client.
Open the processing file in 1C and start the built-in server
In 1C:Enterprise, open the .epf file via File > Open. In the form that appears, select 'Built-in Server' mode and click 'Start Server'. The server will begin listening on port 6003. No Python or Docker installation is needed in this mode.
Alternative: deploy the Docker proxy
If you prefer to run the server outside 1C, use the Docker image. Set ALLOW_DANGEROUS_WITH_APPROVAL=true to require approval for risky operations like execute_code.
docker run -d -p 6003:6003 \
-e ALLOW_DANGEROUS_WITH_APPROVAL=true \
--restart unless-stopped \
--name 1c-mcp-toolkit-proxy \
roctup/1c-mcp-toolkit-proxyConfigure your MCP client to connect to the server
The toolkit uses HTTP transport rather than stdio. Add the server URL to your Claude Desktop config file. Replace the IP address with your 1C machine's address if running remotely.
{
"mcpServers": {
"1c-mcp-toolkit": {
"url": "http://localhost:6003/mcp",
"transport": "http"
}
}
}Verify the connection
Test the server is responding by calling the execute_query endpoint. A successful response returns JSON with success: true and the query result.
curl -X POST "http://localhost:6003/api/execute_query" \
-H "Content-Type: application/json" \
-d '{"query": "SELECT 1"}'1C MCP Toolkit Examples
Client configuration
Claude Desktop configuration connecting to a 1C MCP Toolkit server running on localhost via HTTP transport.
{
"mcpServers": {
"1c-mcp-toolkit": {
"url": "http://localhost:6003/mcp",
"transport": "http"
}
}
}Prompts to try
Natural language prompts for working with 1C enterprise data through the MCP toolkit.
- "List all available metadata objects in the 1C database"
- "Execute a query to get the last 10 document entries from the sales journal"
- "Show me the event log entries from today filtered by error severity"
- "What access rights does user IvanovAA have in this database?"
- "Get the BSL syntax help for the FindByAttribute method"
- "Take a screenshot of the current 1C window"Troubleshooting 1C MCP Toolkit
Claude Desktop cannot connect and reports connection refused on port 6003
Confirm the 1C processing file is open and the built-in server is running (the form should show a 'running' status). Also check that your firewall allows TCP traffic on port 6003, and that you are using the HTTP transport in the MCP config (not stdio).
execute_code or execute_query returns a permissions error
These tools execute arbitrary code or queries against the 1C database and require appropriate user permissions. Ensure the 1C session running the .epf file has at least read access to the objects you are querying. For write operations, the user needs full access. If using the Docker proxy with ALLOW_DANGEROUS_WITH_APPROVAL=true, the operation will wait for manual approval in the 1C interface.
Multiple AI clients interfere with each other when connecting to the same server
Append the `?channel=<id>` query parameter to the MCP URL to isolate command streams. Each client should use a unique channel identifier, for example http://localhost:6003/mcp?channel=claude-desktop and http://localhost:6003/mcp?channel=cursor.
Frequently Asked Questions about 1C MCP Toolkit
What is 1C MCP Toolkit?
1C MCP Toolkit is a Model Context Protocol (MCP) server that mcp и rest api сервер для получения метаданных и данных из базы 1с It connects AI assistants to external tools and data sources through a standardized interface.
How do I install 1C MCP Toolkit?
Follow the installation instructions on the 1C MCP Toolkit GitHub repository. Clone the repo, install dependencies, and add the server config to your AI client.
Which AI clients work with 1C MCP Toolkit?
1C MCP Toolkit works with all major MCP-compatible AI clients including Claude Desktop, Claude Code, Cursor, VS Code (GitHub Copilot), Windsurf, and Cline.
Is 1C MCP Toolkit free to use?
Yes, 1C MCP Toolkit is open source and available under the MIT license. You can use it freely in both personal and commercial projects.
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