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GET
List MCP tools

Authorizations

X-Api-Key
string
header
default:LANGSMITH_API_KEY
required

Query Parameters

url
string<uri>
required

Registered MCP server URL to fetch tools from.

oauth_provider_id
string

OAuth provider ID for token-based MCP server auth.

force_refresh
boolean
default:false

Skip cached tool definitions and fetch fresh tools from the MCP server.

ls_user_id
string

User ID override for service-key callers.

Response

MCP tools returned.

tools
object[]

Tools exposed by the MCP server.

cached
boolean

Whether the response came from the MCP tools cache.

fetched_at
string

UTC timestamp when the tools were fetched from the MCP server.