mavis

tac_plus-ng, and legacy sources for tac_plus, ftpd, tcprelay

Research-first Agent Skill that runs long-horizon paper pipelines with evaluator gates, heartbeat watchdogs, resume controls, and manifest cleanup.

Manage vaccinations in schools (Mavis) is a digital tool designed to help school age immunisation service (SAIS) teams manage their vaccination programmes end to end.

A Python-powered virtual AI assistant with OpenAI GPT, Ollama, LangChain, embeddings, chat history, and SQLite3 database. Includes a clean API backend and integrates with an external Web UI. Fast, modular, extensible — your Multi-tasking AI Virtual Intelligent Solution.

A generative agent simulation platform built on the self-developed MAVIS framework, implemented with Phaser.js for multi-agent simulation.

Reports the laptop battery level, whether it is charging, and roughly how long is left. Use this when the user asks about battery, charge, or how long the machine will last unplugged.

Pick a colour, get matching harmonies and a tint ramp, and check text contrast against the real WCAG ratio.

What is actually filling the disk, not just how full it is. Names the biggest caches, downloads and single files. The slow scan runs detached and the answer is spoken from cache, so it always arrives in about a second. Only ever reports; deletes nothing.

Says which voice Mavis is actually using and why - whether a provider key is set, which engine is selected, and what to change if it sounds wrong. Use this when the user says the voice sounds robotic, or asks why Mavis is not talking properly.

Checks whether two colours are readable together, using the WCAG contrast formula, and tells you which accessibility level the pair passes. Use this when designing anything people have to read.

Paste a timestamp in any shape - seconds, milliseconds, ISO, or whatever a log produced - and get every other form of it. The unit is worked out from the digit count, because guessing wrong by a factor of a thousand is the whole problem, and the guess is always shown rather than applied silently.

Build and test regular expressions with live highlighting, a plain-English explanation of what each part does, and the captured groups laid out. Use this when the user is writing a regex, debugging one that does not match, or trying to understand one somebody else wrote.

Estimate how many tokens a prompt costs before you send it, and what that works out to at the rates you are actually paying across every provider Mavis supports.

SHA-256, SHA-1 and MD5 for text or a whole file, with a compare box that tells you plainly whether two hashes match. Runs on the file in place - nothing is uploaded.

Shows how your colours look to the one in twelve people with colour vision deficiency, and tells you which pairs become indistinguishable. Use this when checking a design, a chart or a status indicator.

Builds a valid mavis.json for a feature you are writing, and warns about the mistakes that stop features working - reserved keywords, unrunnable entry points, and Python scripts that need an interpreter the user does not have.

Inspects a WAV file properly - length, sample rate, bit depth, channels, peak level - and tells you whether it is clipping or too quiet. Use this when the user asks about an audio file, why a recording sounds distorted, or how loud something is.

Removes the hidden data cameras and phones bury in photographs - GPS coordinates, the device, the exact time - before you share them. Shows you exactly what is in there first. Use this when the user is posting or sending a photo.

Shows every font on this machine, previewed in your own words, with search. Use this when the user is choosing a typeface or asks what fonts they have.

Knows who is in the house by the devices they carry, and can trigger actions when they arrive, leave or change room. Home and away works with no extra hardware; room-level needs a Bluetooth receiver per room, and says so rather than guessing. Everything stays in a SQLite file on your machine.