middleware

Gjallarhorn is a from-scratch web framework for the Odin programming language, providing an HTTP server, router, middleware, template engine, and ORM with PostgreSQL support, all with no external dependencies.

A guide on building custom agent harnesses using LangChain's create_agent, focusing on middleware for customization.

ActionFence is an open-source middleware that enforces spend caps, policy limits, and security checks for AI agents and MCP servers, with v0.2 adding rolling-window caps, circuit breaker, and schema drift detection.

Introduces PHI // DRIFT, a cognitive middleware that enhances LLMs with persistent homeostatic needs, salience-weighted memory, and a Jungian shadow module, claiming that architecture produces measurably different behavior than model scale. Preprint under review.

Relay is a ledger-based middleware for secure and auditable agent handoffs in multi-agent systems, featuring append-only context, snapshot recovery, and hard-cap budgeting to prevent context corruption and data leaks.

Presents S-Bus, an HTTP middleware that uses a DeliveryLog mechanism to automatically reconstruct read sets and enforce Observable-Read Isolation consistency, preventing structural race conditions in multi-agent LLM coordination.

Google announces Genkit middleware, composable hooks that intercept AI generation calls enabling retries, fallbacks, tool approval, and skills for building reliable agentic applications.

Google announces Genkit Middleware, a composable middleware system for the Genkit open-source framework to add retries, fallbacks, human-in-the-loop approvals, and observability to agentic applications. It is available now for TypeScript, Go, and Dart, with Python support coming soon.

The article introduces Sentinel Gateway, a security middleware designed to guarantee safety for AI agents by restricting actions to predefined scopes, preventing data leaks, and ensuring full traceability of agent actions.

Introduces Sentinel Gateway, a security middleware designed to enforce strict scope and safety constraints on AI agents, preventing unauthorized actions like data deletion or leakage while ensuring full traceability.

ActionFence is an open-source middleware tool for enforcing security policies, such as spend caps and identity tiers, on MCP servers and Express APIs to protect against agent misuse.