AI/ML●●Solid
BeamWeaver – LangChain/DeepAgents-style agents and workflows for Elixir
LangChain for Elixir with OTP supervision — useful if you're already on BEAM.
Niche GemSlick
caudena
206d ago
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From-scratch OTP-native Elixir implementation of LangChain, LangGraph, and Deep Agents concepts
31 starsElixir
BeamWeaver – LangChain/DeepAgents-style agents and workflows for Elixir
by caudena·Jun 19, 2026·1 point·0 comments
AI Analysis
●●SolidNiche GemShip It
LangChain for Elixir teams who refuse to spin up Python services for agents.
Strengths
- •OTP-native supervision trees ensure durable agent execution without external orchestrators.
- •Typed streaming events integrate cleanly with existing Elixir telemetry pipelines.
- •Fake replay models enable deterministic testing without burning API tokens.
Weaknesses
- •Promised WeaveScope observability tool is not yet released for production use.
- •Agent framework category is crowded with established Python and TypeScript alternatives.
Category
Target Audience
Elixir developers building AI applications
Similar To
LangChain · LangGraph · DeepAgents
Post Description
Hi HN,
We build agents in Elixir. We kept running into the same issue and found there is no observability for agentic systems.
We decided to take the best aspects of LangChain, LangGraph, and DeepAgents and put them into Elixir.
BeamWeaver comes with an OTP-native design and: - agents and tool calling - graph workflows - checkpoints and resumable execution - memory stores - retries, fallbacks, interrupts, and human review - typed streaming events - provider adapters for OpenAI, Anthropic, Google Gemini, xAI, and Moonshot/Kimi - fake/replay models for deterministic tests
We're also building observability on top of it through WeaveScope, which we'll release very soon.
BeamWeaver gives Elixir teams the tools needed to build advanced agentic systems without pushing the hard parts into Python services.
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