Cohere

At a glance

Set these per environment. See Connect an integration.

Variable	Required	Description
`COHERE_API_KEY`	Yes	Cohere API key from the Cohere dashboard Docs.

Create a Cohere account: Go to https://dashboard.cohere.com and sign up or sign in. New accounts get a free trial key that works for evaluation without billing.
Create an API key: Open https://dashboard.cohere.com/api-keys. Use the trial key for testing, or click ‘New Production Key’ for production use (requires billing details).
Store the key: Copy the key and add it to your .env file as COHERE_API_KEY=…
Verify access: Run the List Models tool to confirm the key works. A 401 means the key is wrong or revoked.

Trial keys are free but heavily rate limited - switch to a production key for real workloads
Chat, Embed, and Rerank calls are billed per token/search unit on production keys

Tool	Access	Description
List Models	Read	List the Cohere models available to the API key
Create Chat	Write	Generate a chat response with a Cohere Command model (v2 Chat API)
Create Embedding	Write	Create embedding vectors for input texts (v2 Embed API)
Rerank Documents	Write	Rank a list of documents by relevance to a query (v2 Rerank API)

List the Cohere models available to my API key and note which endpoints each supports.
Use Cohere Rerank to order a list of documents I provide by relevance to my query.