Consilium Principis MCP server

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Consilium Principis

A personal board of several AI advisors — for decisions where one confident answer isn't enough.

Live: a made-up "Aurelius quote" is refused; a real line is confirmed 🔵 word-for-word with its source. The verdict is computed by code on every run, not scripted.

Each advisor looks through their own lens, argues with you and with the others, and the board converges on a single next step. But above all: Consilium doesn't pass off a plausible fabrication as the author's words — a 🔵 quote is checked by code against the source text word-for-word; with no exact line in the corpus, the advisor simply doesn't quote.

Quick start, in Claude Code:

/plugin marketplace add ilyautov/consilium-principis
/plugin install consilium-principis@consilium-marketplace

Other agents, the MCP server and the offline suite are in Installation.

What this is

Consilium Principis is a skill and MCP server for AI agents. You connect it to your agent, ask a question you need to decide on, and it gathers a board around the table: Sun Tzu, Marcus Aurelius, Machiavelli, Epictetus, and whoever else you add. Each looks at it through their own lens, leans on their own texts, and argues — with you and with the others. At the end you get one synthesis and one next step. And if the question is quantifiable ("which is more worthwhile, X or Y"), the board doesn't eyeball it — it breaks the decision into numbers and runs them through a Monte Carlo.

This project doesn't ask an AI to roleplay a sage — we tried to build a tool, not a roleplay game or an aphorism generator. Why you can trust its quotes comes next.

One honest thing about who's at the table: these aren't the thinkers themselves but their AI versions — a prism of their views over the corpus of their public texts. Nobody is "speaking from beyond the grave." An advisor holds the author's lens and leans on their words, but it stays a model — and we say so plainly.

No extra keys or payment — Consilium runs on the agent you already have. Checking quotes needs no internet; a full offline setup just takes local models.

How it differs from other councils

The "several AIs deliberate" mechanic is already common. What sets Consilium apart isn't the number of voices. It's that a claim can be re-verified, and where it can't, the council honestly stays silent:

Shortened. The full README is on GitHub.