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Tessera

Tessera

Multi-agent AI workflows on AWS, declared in YAML

# Seed content and compile every ecosystem
$ make seed

# Open the UI and launch a run
$ terraform -chdir=infra output -raw frontend_url
โœ“ https://d3xamplecloudfront.net

Orchestrate agents through configuration

Everything you need to build, ground, and run multi-agent workflows on AWS.

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Config-driven ecosystems

Define multi-agent workflows as YAML โ€” agents, inputs, dependencies, and outputs. No code to write; the compiler turns your ecosystem into a runnable pipeline.

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Multi-agent orchestration

Agents run as a dependency graph (DAG) across parallel swarms. Each agent has a focused role, its own tools, and shared memory to build on upstream work.

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Domains & catalog

Ground agents in curated, versioned knowledge. Domains ingest regulatory and reference sources into a catalog that agents cite instead of hallucinating.

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Quorum deliberation

Empanel a set of scrutineer personas, let them deliberate, and produce a defensible verdict โ€” for reviews that need more than a single opinion.

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Built-in quality gates

Every run is checked for output format, citations, and grounding โ€” internal (Bedrock Guardrails) and external (web search) โ€” with an optional challenger agent.

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Live web UI

Launch runs, watch the agent map stream in real time, review the generated report, and give inline feedback โ€” all from the browser.

Watch an ecosystem run

Launch, and the specialist agents stream across a live execution graph into a synthesizer, an adversarial challenger, and a final report.

A Tessera ecosystem running: specialist agents stream across a live execution graph into a synthesizer, drafter, challenger, and final report.

See the full walkthrough โ†’

Why Tessera

Code-first frameworks give you primitives and leave grounding, quality, UI, and deployment to you. Tessera is opinionated about exactly those parts.

TesseraCode-first frameworks
(LangGraph ยท CrewAI ยท AutoGen)
Define a workflowYAML configWrite & maintain Python
GroundingVersioned catalog + grounding checksBuild it yourself
QualityChallenger, quorum, format/citation/grounding gatesBuild it yourself
UILive generative UI streamed to a web appNone / build your own
DeploymentTerraform to your AWS accountBring your own infra
SecretsZero static secrets (vault / Secrets Manager)Varies
EvaluationOpt-in eval harness (regression + sign-off)Build it yourself