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Parlant

Python framework for customer-facing conversational agents that narrows the prompt context each turn using rules, knowledge and tools you define.

Harness by Emcie

IndexedApache-2.0★ 18,308
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pip install parlant

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About

Parlant is a harness for conversational agents that must stay consistent, compliant and on-brand. Developers define rules, knowledge and tools once, and the engine selects what is relevant to each turn instead of loading one long system prompt or a routed graph. The README positions it as focused on conversational behavior control, with LangGraph for workflow automation and DSPy for prompt optimization. It states that the project is production-ready and lists Python 3.10+ as a requirement.

Use cases: customer-support

Reviews

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Fact sheet

Languages
PythonREADME
Packages
parlant (pypi)README
Maturity
StableREADME

Facts extracted by Claude Sonnet 5.5 from the linked sources on Oct 24, 2026; reviewed Oct 24, 2026. Wrong fact? Tell us.

Alternatives

Frameworks for the same language with a similar way of orchestrating agents.

Signals

Stars
18,308
Forks
1,551
Open issues
15
Weekly downloads
4,893
Last commit
Jul 10, 2026 (3 months ago)
Last release
Apr 28, 2026 (6 months ago)
Last package publish
Apr 28, 2026 (6 months ago)

From GitHub (fetched Oct 24, 2026) and the package registry.

Details

Packages
pypi parlant
License
Apache-2.0
Repository
github.com/emcie-co/parlant
Website
www.parlant.io/
Docs
www.parlant.io/docs/
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
READMEWebsiteDocsgithub-graphql
Cite this page

Parlant. Agent Mart. https://agentmart.dev/harnesses/parlant (last updated 2026-10-24)