PromptLayer

PromptLayer is a prompt management and observability platform for versioning, evaluating, running, and analyzing LLM applications.

What agents can do

Get prompt template
Retrieve a prompt template version, release label, messages, model metadata, snippets, and optionally provider-ready kwargs without executing it.
Get registered tool
Retrieve a PromptLayer registered tool definition by ID or name at a selected version or release label without test execution.
Get request log
Retrieve one PromptLayer request log with its recorded input, output, timing, usage, metadata, tags, and scores.
Get skill collection
Retrieve a PromptLayer skill collection and its files as JSON at a selected version or release label.
Get table
Retrieve one PromptLayer Table's metadata and per-sheet row counts by UUID.
Get workflow
Retrieve a PromptLayer workflow definition by ID or name at a specific version or release label without running it.
List folder entities
Browse or search PromptLayer folders and registry entities in the API-key workspace, optionally recursively and with metadata.
List prompt templates
Search and page through PromptLayer prompt templates and snippets without executing a model.

8 more

List registered tools
List and filter tools defined in PromptLayer's tool registry without executing them.
List skill collections
List and filter PromptLayer skill collections available in the API-key workspace.
List table columns
List one page of user and optionally system columns for a PromptLayer Table sheet.
List table rows
Read one page of rows and cells from a PromptLayer Table sheet, with optional schema and execution aggregates.
List tables
Search and page through PromptLayer Tables by folder, name, or referenced prompt.
List table sheets
List one page of sheets in a PromptLayer Table, optionally filtering by referenced prompt.
List workflows
Search and page through PromptLayer workflows without running them.
Search request logs
Search PromptLayer request logs by text or structured filters and return one rate-limited page sorted by operational fields.

You paste an API key from PromptLayer on a page Composio hosts, so the key never passes through Definable.

Keep the connection to yourself or share it with your workspace. Any action that writes or sends can wait for your approval.