Rillsoft Project MCP server

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Rillsoft AI is the AI gateway to Rillsoft Project, the specialist solution for multi-project resource and capacity planning in mid-sized industrial companies: an MCP server built into Rillsoft Project 10, on top of its scheduling engine – not on top of a task list.

The server runs inside the visible, running Rillsoft Project on Windows and exposes the open project to an AI assistant or a script over the Model Context Protocol: project structure and schedule, roles, people, teams, machines and material, candidate search and staffing assistants, capacity analysis, baselines and plan/actual comparison, progress and status date, the resource pool, undo and redo.

This repository contains documentation and client configuration only. The server is part of the Rillsoft Project 10 desktop application; there is no package to install and no hosted endpoint.

Full documentation: https://rillsoft.ai/en/mcp/

At a glance

Related MCP server: project-mcp

What it is not

• Not a task, to-do or Kanban tool, and not a platform for chat, wiki or team collaboration.

• Not a standalone AI product or chat plug-in, but AI access to Rillsoft Project as a whole – product, editions and pricing are on www.rillsoft.com.

• Not an AI that schedules on its own: Rillsoft Project calculates dates, workload and the critical path; the AI reads the result.

• Not a cloud service: the server is reachable on 127.0.0.1 only, inside the open Rillsoft Project. Rillsoft sends nothing; what your AI client sends is governed by its provider's privacy policy.

• Not a team server: there is no remote access.

• Not a portfolio editor: portfolios can be opened and evaluated, but not changed.

Set up

1. Enable the server. In Rillsoft Project open Settings → MCP server, set the active switch and leave read-only mode switched on for now. Alternatively start RillPrj.exe /mcp (port 3928) or RillPrj.exe /mcp:8123 (another port) for one session. Check: the status line shows "running on port 3928".

2. Connect your AI client with clients/generic.json:

   {
     "mcpServers": {
       "rillsoft-project": {
         "type": "http",
         "url": "http://127.0.0.1:3928/mcp"
       }
     }
   }

   With an API key set in the settings, use clients/generic-api-key.json (Authorization: Bearer <KEY>). The format follows the MCP specification; field names may differ per client – your client's documentation is authoritative. We have verified the connection with Claude and Codex. Check: the client lists the server's tools – in read-only mode only the read-only ones. /mcp is exact, /mcp/ is a 404.

3. Ask the first question, for example: Summarize the current project status: dates, progress, open conflicts, in five paragraphs. Shipped industry examples with synthetic data let you try it without your own projects.

Every mutating call is one ordinary undo step in Rillsoft Project – you take it back with Ctrl+Z like any of your own edits.

Step by step with success checks: Get started.

If something is stuck

Tool catalogue and contract

Tool names carry the prefix rillsoft_ and are English in every language build; arguments, result fields, enum values and error codes are stable, messages follow the language of the running Rillsoft Project. How tools/list, schemas, errors, undo, read-only mode and sessions work: Developers: the MCP server contract.

The complete tool catalogue will be generated from tools/list of the released build and published here and on the developers page.

Links

• MCP server: https://rillsoft.ai/en/mcp/

• Get started: https://rillsoft.ai/en/get-started/

• Developers: https://rillsoft.ai/en/developers/

• Prompt library: https://rillsoft.ai/en/prompts/

• Product: https://www.rillsoft.com/mcp-server/

• Official MCP Registry: ai.rillsoft/rillsoft-project (entry)

Provider

Rillsoft GmbH, Leonberg, Germany – software for scheduling, resource and multi-project planning. Rillsoft Project is proprietary software; this repository contains its MCP documentation only.

License

The documentation in this repository is licensed under CC BY 4.0. Rillsoft Project itself, including its MCP server, is proprietary software of Rillsoft GmbH and is not covered by this license.