Anthropic opens a research preview of the Model Hardware Standard, a driver spec for AI agents to run lab instruments. Built with HHMI Janelia and partners Genentech, UW, and CMU.
mksglu/context-mode is a 19.4k★ MCP server with 98% tool-output savings, SQLite/FTS5 session-continuity, and 17 supported agent platforms — under an ELv2 license.
Google promoted the Interactions API to general availability on 2026-06-22: stable schema, Managed Agents, background=True, and the 'From Roles to Steps' migration. Default in AI Studio.
Ratel (ratel-ai/ratel, 186★, Apache-2.0 core + MIT SDKs) ships an in-process BM25 tool catalog. On BFCL v3: ~87% fewer tokens, tool selection within ±5 points.
cognee is an Apache-2.0 open-source AI memory platform for agents: a self-hosted knowledge graph engine with a four-method API (remember, recall, forget, improve) and a Claude Code plugin.
CodeBurn (getagentseal/codeburn) reads the session files your AI coding tools already write, breaks down every token and dollar across 31 integrations, MIT, no proxy, no API key.
can1357/oh-my-pi: a Rust-based terminal AI coding agent (fork of Mario Zechner's pi-mono) with Hashline edits, an advisor model, 40+ providers, 18-hour release cadence.
Pure-C, single-binary MCP server that indexes a codebase into a Tree-Sitter knowledge graph in milliseconds. 13.3k stars, MIT, 5,604 tests, 11 agents. arXiv 2603.27277 reports 83% quality at 10× fewer tokens.
Headroom v0.27.0 is an Apache-2.0 context-compression layer for AI agents: library, proxy, agent wrapper, and MCP server. Published savings reach 92% on code search and SRE debugging.
GitHub JuliusBrussee/caveman: a TypeScript skill for 30+ agent platforms that asks the agent to drop filler. 75k stars, MIT, 65% output-token reduction.
Google's May 19, 2026 launch of Gemini Spark: a 24/7 cloud agent on Gemini 3.5 + Antigravity, integrated with Workspace, connected to Canva/OpenTable/Instacart via MCP.
Hugging Face's open-source Python agent library where the model writes executable code instead of JSON. 27.8k stars, Apache 2.0, v1.26.0 (May 29, 2026). Remote sandboxing is mandatory.
MIT Chinese guide from Datawhale with 27 chapters on LangChain, LangGraph, MCP, RAG, Skills, and fine-tuning. 1.9k stars, two completed projects in May 2026. Code is Python; prose is Chinese.