LangChain
RepoLangChain is an open-source framework for Python and JavaScript that helps developers compose language-model chains, memory, retrieval and agent logic. It offers core libraries, integrations and tooling to build production LLM applications quickly.
Stories
Completed digest stories linked to this service.
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Typed agents arrive: TypeSafe AI’s Jev returns decisions, not prose2026-09-18TypeSafe AI launched Jev, a model that returns typed decisions with probabilities at sub-second latency for au...
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MCP Goes Stateless: Scale Agent Tools Like Any HTTP Service2026-09-04The Model Context Protocol is now stateless, removing session pinning and letting agent tool backends scale be...
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LangChain adds beta MCP adapter; Datasette ships MCP server — agents plug into d...2026-09-02LangChain now adapts MCP servers into tools while Datasette exposes an MCP server endpoint, tightening the age...
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LangChain ships alpha MCP adapter powered by FastMCP2026-08-29LangChain released an alpha MCP adapter that turns any MCP server into agent tools you can hand straight to cr...
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Agents can now pay for APIs: AWS ships AgentCore Payments GA2026-08-26AWS made AgentCore Payments generally available, enabling agents to buy access to APIs and content mid-run und...
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LangChain updates tighten agent tracing, tool-call reliability, and Anthropic to...2026-08-12LangChain shipped a reliability and observability sweep that changes how agents trace, handle tool calls, and ...
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Agentic coding grows up: prove it, cap it, then scale it2026-08-01Agentic coding is shifting from flashy demos to auditable, budgeted workflows teams can trust in production. ...