Skillget

kremis

mcp
SUMMARY

A minimal graph engine for grounded AI — records, associates, and retrieves, but never invents. Written in Rust.

README.md

Kremis

Kremis

Deterministic knowledge graph for AI that never hallucinates

A minimal, graph-based cognitive substrate in Rust.
Records, associates, retrieves — but never invents.

CI Docs License Rust Status

Alpha — Functional and tested. Breaking changes may still occur before v1.0.

Kremis Honesty Demo

Why Kremis

Problem How Kremis addresses it
Hallucination Every result traces back to a real ingested signal. Missing data returns explicit "not found" — never fabricated
Opacity Fully inspectable graph state. No hidden layers, no black box
Lack of grounding Zero pre-loaded knowledge. All structure emerges from real signals, not assumptions
Non-determinism Same input, same output. No randomness, no floating-point arithmetic in core
Data loss ACID transactions via redb embedded database. Crash-safe by design

Design Philosophy — why these constraints exist.

Features

  • Deterministic graph engine — Pure Rust, no async in core, no floating-point. Same input always produces the same output
  • CLI + HTTP API + MCP bridge — Three interfaces to the same engine: terminal, REST, and AI assistants
  • BLAKE3 hashing — Cryptographic hash of the full graph state for integrity verification at any point
  • Canonical export (KREX) — Deterministic binary snapshot for provenance, audit trails, and reproducibility
  • Zero baked-in knowledge — Kremis starts empty. Every node comes from a real signal
  • ACID persistence — Default redb backend with crash-safe transactions

Use Cases

AI agent memory via MCP

Give Claude, Cursor, or any MCP-compatible assistant a verifiable memory layer. Kremis stores facts as graph nodes — the agent queries them, and every answer traces back to a real data point. No embeddings, no probabilistic retrieval.

LLM fact-checking

Ingest your data, let an LLM generate claims, then validate each claim against the graph. Kremis labels every statement as [FACT] or [NOT IN GRAPH] — no confidence scores, no ambiguity.

Provenance and audit trail

Export the full graph as a deterministic binary snapshot, compute its BLAKE3 hash, and verify integrity at any point. Every node links to the signal that created it. Useful for compliance workflows where you need to prove what data was present and when.

Honesty Demo

Ingest a few facts, let an LLM generate claims, and Kremis validates each one:

[FACT]          Alice is an engineer.              ← Kremis: "engineer"
[FACT]          Alice works on the Kremis project. ← Kremis: "Kremis"
[FACT]          Alice knows Bob.                   ← Kremis: "Bob"
[NOT IN GRAPH]  Alice holds a PhD from MIT.        ← Kremis: None
[NOT IN GRAPH]  Alice previously worked at DeepMind. ← Kremis: None
[NOT IN GRAPH]  Alice manages a team of 8.         ← Kremis: None

Confirmed by graph: 3/6
Not in graph:       3/6

Three facts grounded. Three fabricated. No ambiguity.

python examples/demo_honesty.py            # mock LLM (no external deps)
python examples/demo_honesty.py --ollama   # real LLM via Ollama

Quick Start

Requires Rust 1.89+ and Cargo.

git clone https://github.com/TyKolt/kremis.git
cd kremis
cargo build --release
cargo test --workspace

cargo run -p kremis -- init                                          # initialize database
cargo run -p kremis -- ingest -f examples/sample_signals.json -t json # ingest sample data
cargo run -p kremis -- server                                        # start HTTP server

In a second terminal:

curl http://localhost:8080/health
curl -X POST http://localhost:8080/query \
  -H "Content-Type: application/json" \
  -d '{"type":"lookup","entity_id":1}'

Note: CLI commands and the HTTP server cannot run simultaneously (redb holds an exclusive lock). Stop the server before using CLI commands.

Docker

docker build -t kremis .
docker run -d -p 8080:8080 -v kremis-data:/data kremis

Architecture

Component Description
kremis-core Deterministic graph engine (pure Rust, no async)
apps/kremis HTTP server + CLI (tokio, axum, clap)
apps/kremis-mcp MCP server bridge for AI assistants (rmcp, stdio)

See the architecture docs for internals: data flow, storage backends, algorithms, export formats.

Documentation

Full reference at kremis.mintlify.app:

Topic Link
Introduction kremis.mintlify.app/introduction
Installation kremis.mintlify.app/installation
Quick Start kremis.mintlify.app/quickstart
Configuration kremis.mintlify.app/configuration
CLI Reference kremis.mintlify.app/cli/overview
API Reference kremis.mintlify.app/api/overview
MCP Server kremis.mintlify.app/mcp/overview
Philosophy kremis.mintlify.app/philosophy

Testing

cargo test --workspace
cargo clippy --all-targets --all-features -- -D warnings
cargo fmt --all -- --check

License

Apache License 2.0

The brand assets in docs/logo/ (logo, icon, favicon) are proprietary and not covered by the Apache 2.0 license. See docs/logo/LICENSE.

Contributing

See CONTRIBUTING.md for guidelines. The architecture is still evolving — open an issue before submitting a PR.

Acknowledgments

This project was developed with AI assistance.

Keep it minimal. Keep it deterministic. Keep it grounded. Keep it honest.

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