The Persistent Context Sprint Hackathon | Live at MongoDB .Local Build Fest

Amelia The problem. Live captions get the words right, but words are the easy part. In a group conversation, deaf and hard-of-hearing people lose everything…

Tracecase finds the exact environment that makes a customer's bug happen. - Problem: A customer reports that a feature is broken, yet the code review and…

You never have to give claude context ever again. Your conversations with claude become skills and the moment it notices that you are performing the same task…

Tusk — the SRE that never forgets. Experienced human SREs can solve problems quickly because they've seen the problem before. Tusk enables your AI SRE to do…

A persistent, reloadable project brain, where memories are both the candidates and the decentralized lenses an AI swarm judges through to establish project…

Groundhog is a game agent that dies, remembers, and comes back smarter. An LLM agent crawls a little dungeon we rigged so that a memoryless run reliably…

Continuity — a voice-first handoff agent for film and live-event crews. It's 6:20 PM on night two of a shoot. The night unit takes over in ten minutes. The…

Nidus is an outbreak-intelligence agent that learns daily instead of starting from zero. It pulls real-time disease reports from institutions like WHO and…

This is about story sharing and finding similar stories for various categories.

A voice agent whose conversations are trees, not transcripts. Say "hold on, side question" and it forks — compiling a minimal brief instead of dragging the…

Evals judge your agent before it ships. Scar judges it while it runs every caught failure becomes a durable lesson injected before the first token, turning…

OfferPilot is a persistent AI negotiation backend built for the MongoDB Persistent Context Sprint Hackathon. It lets a voice agent identify a caller, recover…

YESWORTHY is a personal opportunity planner that helps people decide what is worth saying yes to. It brings together their goals, schedule, travel limits…

We built a Hermes multi-agent system for SEO whose memory lives in MongoDB Atlas. Four specialized Hermes agents — scout, grader, briefer, rulemaker — propose…

Loupe is an editor with a memory: it learns how you write, helps you understand what you're writing, and flags what doesn't sound like you. Every sentence…

Badge Memory is a no-cold-start conference memory agent. Mentra Live glasses capture my real conversations; a checkpointed pipeline (whisper → LLM person…

VSee is a MongoDB-native persistent-context system for venture teams. It stores source-linked decks, documents, and company memories in Atlas, using Voyage…

ComplyIQ is an AI-driven compliance engine engineered for global financial institutions navigating complex, cross-border regulations. Standard…

Bilads is an AI-powered billboard planning platform for San Francisco. It ranks affordable placements, generates neighborhood-focused creative concepts, and…

Second Hello is a networking agent that listens to your conversations in the background does the live search about the people and the connects with them…

A Digital Twin for your use as an educator. It keep track of the knowledge and skills covered in previous sessions, and is able to recall teaching styles and…

Enid Mandate gives long-running agents continuity without permanent authority. Agent A stores a structured checkpoint in the event’s MongoDB Atlas sandbox and…

antivenom.pages.dev — post-hoc surgery for poisoned agent memory. We came at this from the other side: our team hides invisible prompt injections inside…

Agents make predictions on what they need to do in order to complete a task. I built a context layer where the steps taken by an agent are stored in MongoDB…

You call the pharmacy. A cheerful robot says, "Please listen carefully, our menu options have changed." You press 1, then 4, then 2. You say "representative"…

Margaret — an external memory for a person living with dementia Eleanor is 82. She taught piano for thirty years. She asks the same question forty times a…

The problem LLM agents fail in customer service for a reason that has nothing to do with model quality: local context. The policies, eligibility rules, and…

Link to live project - https://track-record-plum.vercel.app/ Track Record is an agent that helps a founder answer "Will Big Tech eat your startup?" with…

ContextGuard is a self-healing memory layer for AI agents that prevents conflicting, stale, or untrusted persistent context from influencing future actions…

Guinea Pig turns dead clickstreams into a persistent population of grounded “ghosts” in MongoDB—so the product doesn’t wake up cold. PMs interview churned…

The problem: LLMs produce a lot of output. People read maybe a third of it, skimming, skipping, jumping to code blocks. The model then says "as I mentioned…

I used to be a logistics coordinator. I had these crates and I need to ship them from military base to military base. That required asking 7 third-party…

Rebuttal is memory for insurance appeals. Insurers deny ~20% of in-network claims; under 1% are appealed; 43–67% of appeals win. Patients start from zero. We…

We built a **self-improving AI agent that learns how to make machine-learning models better through experience**. Using PCB defect classification as a…

PlotTwist is a persistent-context matchmaking agent for conferences. Existing networking tools do SIMILARITY matching - they introduce you to people like…

RadixMind is an agent whose memory lives in MongoDB — and decides what deserves the model's cache. Most agent-memory systems store everything and retrieve by…

A second brain for social media: MongoDB remembers who you are, who you met, and which intros worked — so your agent never starts cold. AgentCircle is a…

ConquerContext is a long-horizon insurance claim agent that does not cold-start. When a claim opens, it drives FNOL to settlement over days or weeks — SMS…

Engram is a trust layer for AI agent memory. Agents that write down what they learn have no way to tell a hard-won fact from a lie. What's worse is that a…

Agentic system that continuously watches PRs in a repo and adjusts review scrutiny based on their credibility. The credibility is assessed by previous…

Ledger is an evidence-driven memory system for AI agents. Every memory system in the category (Mem0, Letta, Zep, Cognee) is write-only and unfalsifiable. A…

Short description: A prediction game where confidence is billed. Stake tokens on everyday calls; Atlas Vector Search finds the same wrong take you made…

Check it out: https://uberprompt.getclera.com/ Persistent context for your system and team. We've been battling this in production for the last 3 months…

**ACME Travel** is an enterprise AI travel agent. You describe a trip in plain language; it checks company policy and traveler preferences, ranks flights and…

MongoMatch is a live conference matchmaking graph powered entirely by MongoDB Atlas that eliminates the AI "cold start" problem. By combining Atlas Vector…

Retrace is an AI agent that remembers how your team actually solved dependency upgrade problems — not just what the fix was, but every path that failed along…

Claude Token Counter Real-Time AI Cost & Environmental Impact Tracking The Problem: Developers using Claude Code have no visibility into prompt costs before…

Build “DevPersona,” an AI voice coding agent that learns a developer’s coding personality.

Belief based memory system for coding agents like Claude Code

Atlas Lifecycle is an AI agent that catches expiring software before it becomes a vulnerability. Ask it about an outdated dependency and it retrieves the…

Real Estate Analyst workbench for analyzing EV charging sites. When the analyst changes a finacial number or a new engineering or permitting data point comes…

Decision Tripwire stops AI agents when the assumptions behind their decisions become false. For example, if an agent starts a deployment because traffic is…

Most people don't abandon their goals out of laziness. They abandon them because nothing adapts. The plan that made sense in week one goes stale by week…

Rehash remembers why past project ideas were rejected, not just that they were. When someone pitches a new idea, it pulls out the idea's core mechanic and…

Terra — named for the earth goddess who knows every fault line in the ground — is an autonomous AI pentester with persistent memory. Where security tools only…

We made scartissue, it is a traffic infrastructure, that remembers its crashes, where every accident becomes a memory. We analyzised it then put it in the…

A coding agent's conversation runs 100,000 tokens. Every single message, the model re-reads all of it before answering. Providers cache that work and charge…

IMMUNE is a 5-call memory adapter (remember, derive, recall, guard, challenge) that immunizes AI agents against persistent memory poisoning. When an agent…

JobSwipe is a swipe based job search app for new grads and early career engineers who are tired of scrolling through hundreds of near identical listings they…

Evergreen is an encyclopaedia generated and actively maintained by AI agents. It's more complete, current, and correctable than Wikipedia. Evergreen deploys a…

MemGate is a drop-in, OpenAI-compatible proxy that gives any model on OpenRouter (~500 models) governed, persistent, self-tuning memory of users — while…

A hardware startup builds forty units of a prototype. Optical inspection machines start around fifty thousand dollars and have to be programmed per board…

Shibboleth: prove you're you from any device with your voice and your memories; uncloneable, because a deepfake can fake your voice but not what you told your…

The zeroth layer under every agent: you. me0 is an open-source Agent Plugin that gives any agent harness — Claude Code, Codex, pi, Hermes, OpenClaw — one…

Thread is an ambient memory layer for real-world relationships. It listens to your conversations, distills them into selective structured memories (what…

A memory backend for hardware listening and whispering devices that whisper relevant facts about friends and acquaintances into our ears after hearing their…

With a growing aging population, a huge amount of healthcare access depends on something that sounds basic: whether elderly patients can successfully…

Blackboards are back! The default way agents share context is a markdown scratchpad. Everyone appends, everyone re-reads the whole thing, and nothing is…

Evolution simulator. Utilizes AI to create a custom environment and 16 different subjects with different characteristics. They breed and evolve, and we get…

Most assistants react to the latest signal. Continuum learns from longitudinal signals, maintains an evolving understanding, and knows when to ask, inform, or…

Outbound agents cold-start on every interaction. They open the same way, ask what they already asked, and forget the call the moment it ends. dee4dee is an…

Natural language automated testing. Managing e2e test is extremely painful, having a part-developer who can contribute to project is wasted on writing e2e…

search producers; remember preferences over time

AI Coworker (AccountabilityBot) It doesn't tell you how to work. It learns how you work. A voice agent that learns from how the user works and gets and its…

Agents don't only hallucinate — they confidently act on facts that stopped being true. Ask an on-call agent who's on call for payments and it pages Marcus…

Alert Steward is a clinical decision support agent that turns alert override feedback into persistent organizational memory…

Agents keep executing plans built on facts that are no longer true. RealityPatch versions every fact in MongoDB, tracks which plan steps depend on which fact…

Recall — The system remembers, then recalls a decision when the world changes: it's a Memory-Grounded Financial Decision Pipeline. Most news-to-signal tools…

Upload a confusing screenshot — a bill, an error message, a legal document, an insurance letter, a form, a website — and Plainly explains it in plain English…

Successor When a 25-year process engineer retires off an SMT line, the manuals stay but the knowledge leaves. Manuals describe what a machine is supposed to…

One in seven New York EMS calls turns out to be something other than what it was dispatched as. We measured it: across ~30 million (29,978,154) NYC EMS…

Rehearsal is a voice-first platform for practicing high-stakes conversations against a behavioral model of the actual person you expect to face. Users…

Math Market is a second-hand market for AI compute: a live exchange where unused inference capacity becomes discoverable, priced, and routed in real…

We are solving the problem where we have a sdk which evaluates the agent and get its telementry and sends it to backend whih then saves it in mongo db and…

Verdict is an AI onboarding agent for Belgian accounting firms that replaces the two-week manual client-vetting process with two live scores — Confidence (how…

RingOps - Voice-Driven Incident Response with Persistent Memory When production breaks, RingOps calls the on-call engineer instead of paging them to a…

**Should I?** is an AI decision companion for the everyday choices people get stuck on. A user asks a question like “Should I take this job?”, “Should I text…

Morgan AI — Autonomous Financial Analyst **One-liner:** A voice-first financial analyst you can interrupt. Ask a question out loud, and Morgan reads the…

Ember is a persistent automotive failure intelligence system designed to catch dangerous vehicle problems earlier. Major recalls often begin as scattered…

ConvTree brings Git-style version control to LLM conversations, letting users create checkpoints and branch into new discussion paths without losing…

Pantree - Your pantry insider, is an AI kitchen assistant that tracks inventory, remembers user preferences and time-bound dietary constraints, and takes real…

The problem: testing a website means a developer writes code for every single click, every form field, every check. It's slow, it's tedious, and only…

Murmur — anonymous voice threads that remember you. Callers phone in and speak. Their number is HMAC'd with a server-side salt and discarded; their voice is…

Cognitive Twin is an innovative application built for the MongoDB hackathon that models and queries personal thought patterns. It leverages MongoDB Atlas for…