Blog

Notes from the Simmetric Chat team

Deep dives on RAG, security, and building AI infrastructure that respects your data.

Simmetric
Product Updates

Introducing the Simmetric Chat Enterprise Plugin

SSO with SAML 2.0 and OIDC, SCIM provisioning, an immutable audit log, white-labeling, encrypted backups, and air-gap licensing for regulated teams.

Simmetric Team · 22/09/20269 min di lettura
Simmetric
Tutorials

Embedding a Knowledge-Base Chat Widget with Lead Capture

A practical guide to embedding Simmetric Chat on your site: sandboxed iframe loader, server-resolved model pin, lead capture, and CORS setup.

Simmetric Team · 15/09/20268 min di lettura
Simmetric
Security

Security Layers in Simmetric Chat: API Keys, Signed Webhooks, and DLP

How Simmetric Chat authenticates every request, hashes API keys with HMAC-SHA256, signs webhooks and Web Push, and redacts PII with DLP filters.

Simmetric Team · 08/09/202610 min di lettura
Simmetric
Technical Deep Dives

Scaling Simmetric Chat to Multiple Instances with Redis and pg-boss

Simmetric Chat scales horizontally behind any load balancer, with no sticky sessions. How state moves to Redis, Postgres, and the pg-boss job queue.

Simmetric Team · 03/09/20269 min di lettura
Simmetric
Technical Deep Dives

Building a Hybrid RAG Pipeline with Reciprocal Rank Fusion

How vector similarity and PostgreSQL full-text search run in parallel and fuse through Reciprocal Rank Fusion into answers with citations and relevance scores.

Simmetric Team · 12/06/20267 min di lettura
Simmetric
Security

Air-Gapped AI: Running LLMs Fully Offline with Ollama

A practical architecture for zero-outbound AI: Ollama as the local LLM, LanceDB for vectors, DLP redaction on every prompt, all in one offline container.

Simmetric Team · 28/05/20267 min di lettura
Simmetric
Security

Designing 31-Permission RBAC for AI Knowledge Bases

How Simmetric Chat's role-based access control uses 31 permissions and 13 menu sections to protect workspaces, projects, and audit trails.

Simmetric Team · 14/05/20268 min di lettura
Simmetric
Technical Deep Dives

Embeddable Chat Widgets: Architecture and Security

The two-step loader and sandboxed iframe behind Simmetric Chat's widget, with isolated sessions, rate limiting, and layered knowledge-base access.

Simmetric Team · 30/04/20267 min di lettura
Simmetric
Technical Deep Dives

Multi-LLM Orchestration: Model Switching, Comparison, and Fallback

How Simmetric Chat orchestrates Ollama, OpenAI, Anthropic, OpenRouter, and Gemini with 20 provider presets, a Cmd+K model palette, and side-by-side comparison.

Simmetric Team · 15/04/20267 min di lettura
Simmetric
Tutorials

Server-Side Vision-Model OCR for Scanned Documents

How Simmetric Chat reads scanned PDFs with a server-side vision-model OCR pipeline — page rendering, an Ollama vision model, and a human approve step.

Simmetric Team · 28/03/20266 min di lettura
Simmetric
Tutorials

Deploying Simmetric Chat with Docker: A Complete Guide

The full deployment map for Simmetric Chat — a six-service Compose stack, a single all-in-one container for air-gapped hosts, and a one-click Coolify path.

Simmetric Team · 10/03/20267 min di lettura
Simmetric
Product Updates

MCP Marketplace: Connecting External Tools to Your AI Agent

Simmetric Chat speaks MCP in both directions — a curated marketplace of external tool servers, one-click installs, and per-chat control over what your agent can reach.

Simmetric Team · 24/02/20266 min di lettura