langchain-exa

library1.1.0pypypi✓ verified 80d ago

An integration package connecting Exa (formerly Metaphor) and LangChain. Current version 1.1.0, requires Python >=3.10 and <4.0.0. Maintained under the LangChain monorepo, with releases tied to LangChain core updates.

llm-agents ai-ml

pip install langchain-exa

github ↗package ↗homepage ↗docs ↗changelog ↗

INSTALL

IMPORT

SIG · LANGCHAIN-EXA

langchain-exa

llm-agentspythonv1.1.0

Install

8.5s avg

Import

—

Disk

88MB

Pass rate

10/ 10

Env Coverage10 / 10

glibc

3.9–3.13

musl

3.9–3.13

Install & Compatibility

Where this runs

tested against v1.1.0 · pip install

no network on importno background threads

Install × environment matrix

Each cell = how many times install + import succeeded across repeated harness runs. Partial = flaky.
glibc = Debian/Ubuntu slim · musl = Alpine Linux

musl

py 3.10–3.95 runs

installs and imports cleanly · install 0.0s · import 0.000s · 84.7MB

glibc

py 3.10–3.95 runs

installs and imports cleanly · install 8.5s · import 0.000s · 93MB

88MB installed

● package 88MB

Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

ExaSearchResults

✓ from langchain_exa import ExaSearchResults

✗ from langchain_exa import ExaSearchToolkit

ExaFindSimilarResults

✓ from langchain_exa import ExaFindSimilarResults

ExaSearchRetriever

✓ from langchain_exa import ExaSearchRetriever

Initialize the Exa search toolkit with an API key and perform a search.

import os from langchain_exa import ExaSearchToolkit api_key = os.environ.get('EXA_API_KEY', '') toolkit = ExaSearchToolkit(api_key=api_key, max_results=5) result = toolkit.search('latest AI news') print(result)

Debug

Known issues

breakingIn v1.0.0, the package was renamed from 'langchain-metaphor' to 'langchain-exa'. All imports have changed.

fix

Replace 'from langchain_metaphor import ...' with 'from langchain_exa import ...'.

affects: >=1.0.0

deprecatedThe 'MetaphorSearchToolkit' alias was removed in v1.1.0.

fix

Use 'ExaSearchToolkit' instead.

affects: >=1.1.0

gotchaIf you pass the API key directly, it may be logged or exposed in traces. Always use environment variables or a secrets manager in production.

fix

Set EXA_API_KEY via os.environ and omit the api_key parameter.

affects: all

Upgrade

Version history

1.1.0latest on PyPI · released Mar 26, 2026

Audit

Dependencies

langchain-corerequiredBase abstractions for tools, retrievers, and chat models.

exa_pyrequiredOfficial Exa Python SDK for API calls.

Agent activity

18 hits · last 30 days

node

OpenAI (training)

Resources

githubhttps://github.com/langchain-ai/langchain ↗

packagehttps://pypi.org/project/langchain-exa/ ↗

homepagehttps://docs.langchain.com/oss/python/integrations/providers/exa_search ↗

docshttps://reference.langchain.com/python/integrations/langchain_exa/ ↗

changeloghttps://github.com/langchain-ai/langchain/releases?q=%22langchain-exa%22 ↗