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JamJet

The agent-native runtime. Durable execution, native MCP + A2A, built-in eval. Authored in Python. Powered by Rust.

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$pip install jamjet

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Quickstart

First agent in 5 minutes

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Concepts

Architecture and mental model

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CLI Reference

jamjet init, dev, run, validate

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SDKs

Python SDK

@task, Agent, Workflow

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Java SDK

JDK 21, virtual threads, records

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YAML Workflows

Declarative workflow definitions

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Protocols

MCP Guide

Connect to any tool server

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A2A Guide

Agent-to-agent communication

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Research & Eval

Research Guide

Experiments, grids, publication export

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Eval Harness

Scorers, judges, CI gates

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Operations

Observability

OTel traces, cost attribution

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Deployment

Docker, Kubernetes, Fly.io

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Enterprise

Policy, PII, multi-tenant, mTLS

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