Developer Tools Startups

Martini is an AI video creation platform designed for filmmakers, studios, and agencies that provides director-level control over shot composition, camera movement, and world building. The platform integrates image generation, video generation, and world models in a single workspace with collaborative features and export capabilities to professional editing software.

2 investors

Matia provides a data observability and operations platform that detects anomalies, monitors data quality, and surfaces integration failures, schema changes, and stale data in a centralized view with Slack alerts. It integrates with dbt to monitor runs, tests, and exposures for data teams managing their data pipelines.

2 investors

Maxim is an end-to-end AI evaluation and observability platform that lets engineering and product teams simulate, evaluate, and monitor AI agents across the development lifecycle. It provides SDKs (Python, TypeScript, Java, Go) alongside a no-code UI, is framework-agnostic across model providers, and targets AI development teams.

2 investors

Maxio provides financial operations software for SaaS and subscription businesses, automating revenue recognition, accounts receivable, collections, and financial reporting to ensure GAAP compliance and reduce manual accounting work.

2 investors

Mayhem is an application and API security testing platform that uses fuzzing and symbolic execution to find vulnerabilities in code, binaries, and APIs, providing proof-of-vulnerability exploits and CI/CD pipeline integration. It serves security and development teams with features including REST/gRPC API testing, binary analysis, dynamic SBOM generation, and enterprise deployment options across SaaS, private cloud, and closed networks.

2 investors

Maze is a security company, founded in 2024, that uses AI to help defenders identify and address vulnerabilities in code and cloud environments. It targets the cybersecurity market with a product- and engineering-focused approach.

2 investors

mcp-use is an open-source SDK and hosting platform for developers to build and deploy Model Context Protocol (MCP) applications and servers for AI agents and chat clients like ChatGPT and Claude. The platform provides hosting, testing, debugging, and analytics tools to help teams ship MCP apps to marketplaces.

2 investors

Medium Rare provides website templates for Webflow, Figma, and Framer platforms, serving creatives and businesses looking to build branded online presence quickly. The templates span industries including SaaS, e-commerce, consulting, food & drink, property, and design.

2 investors

Medusa is an open-source commerce platform that lets developers build and customize commerce workflows, with features for product management, multi-warehouse inventory, multiple sales channels, multi-region settings, and promotions. It also offers Medusa Cloud, a managed hosting and AI tooling service for running Medusa storefronts and backends.

2 investors

Mercoa provides B2B payment solutions, specifically AI-powered billing and invoicing tools, for SaaS platforms to embed into their product for their end customers. The platform offers both backend and frontend SDKs to help vertical SaaS companies launch branded payment experiences and unlock new revenue streams from payments monetization.

2 investors

Merit Systems develops an agentic commerce developer tool designed to enable individual teams to operate independently. The platform focuses on modernizing how small teams approach commerce and business automation.

2 investors

Mermaid AI is an AI-powered diagramming tool that generates and edits visual diagrams from plain language prompts, notes, and file uploads. It serves technical teams and documentation creators who need to quickly transform ideas, specifications, and meeting transcripts into flowcharts, architecture diagrams, and other structured visuals.

2 investors

MeshMap builds tools for creating and distributing location-based extended reality (XR) experiences, including a Unity SDK for importing 3D scans and designing AR, VR, and MR content. It also focuses on open 3D map data to support spatial apps and location-based experiences for creators.

2 investors

Metamanagement provides deployment infrastructure that allows SaaS companies to run their software within customer premises or environments.

2 investors

Meteor is an agentic browser that combines traditional browsing functionality with intelligent task automation to execute actions on behalf of users. The product targets users seeking personal assistant-like automation capabilities within a browser environment.

2 investors

Alpha Research develops open source knowledge bases that employ AI agents to search and analyze large document collections, helping users locate evidence and test hypotheses faster. The company has launched an initial platform with Project Gutenberg's 75,000 books and plans to expand across datasets in economics, law, and other domains.

2 investors

Midl provides a Bitcoin execution environment with an Ethereum VM-compatible engine so smart contracts and dApps can run natively on Bitcoin without bridges. It targets EVM-familiar developers building DeFi and token applications on Bitcoin, and is currently live on Bitcoin testnet.

2 investors

MightyMeld is a visual development tool for React frontend developers that pairs a live visualization of code with the running app's DOM, letting users drag, drop, and prompt UI changes while producing AST-aware code modifications. It also includes a generative AI feature for applying styles and building interfaces.

2 investors

Milestone is an analytics platform that tracks AI spend, coding agents, software delivery, and custom KPIs by grounding answers in a company's engineering data. It lets engineering and business teams query metrics in plain language (including via Claude through an MCP Connector) to see where AI is used, what it costs, and how agents behave.

2 investors

Mimrr is an AI agent for software product development teams that integrates with tools like GitHub, GitLab, Azure DevOps, Bitbucket, Jira, Slack and Teams to automate low-level tasks such as unit testing, codebase documentation, ticket writing and PR reviews. It can be deployed into a customer's VPC or on-premise infrastructure and does not train on customer data, serving startups through enterprise clients.

2 investors

Mindset AI builds AI agents designed to work alongside employees as co-workers rather than replacements, with an emphasis on human-in-the-loop oversight and usable design. It targets enterprise teams looking to apply AI to their workflows.

2 investors

MinersAI develops data-driven solutions for mineral exploration to support the global energy transition. The company combines geology, artificial intelligence, and data science to help the mining industry discover critical minerals sustainably.

2 investors

Minro provides customer intelligence and analytics software for SaaS and product teams to track user engagement, retention, and churn risk. The platform combines product activity, conversation data, and customer information to identify at-risk accounts and enable proactive retention strategies.

2 investors

MintMCP provides a governed gateway that connects AI agents to the models, MCP tools, and context they need, with role-based access controls, per-agent identities, and full audit logging. It targets engineering and security teams at enterprises that need to manage and monitor agent access to tools and credentials.

2 investors