Glossary The Stacklink vocabulary, defined once.
Stacklink's nouns are precise and a few are easy to confuse. This is the canonical reference.
Term Definition Project (consumer app)Your application's account on Stacklink. Holds API keys, enabled providers, auth configs, billing. Tenant One of your end-customers (a business). Owns connected accounts and triggers. User A person within a tenant, used for attribution and context. Session A scoped working context for one tenant/user: which tools, accounts, and knowledge are available, plus the MCP surface. Scope A permission carried by an API key (e.g. tools:execute, knowledge:read).
Term Definition Toolkit A provider (Zoho Books, Razorpay, …). Tool One model-callable operation within a toolkit, e.g. zoho_books.invoices.create_invoice. Meta-tool A Stacklink tool the agent calls to work with tools — STACKLINK_SEARCH_TOOLS, STACKLINK_EXECUTE_TOOL, etc. Capability A logical grouping of tools, e.g. invoices.write. Mutation level none (read), write, or destructive.Discovery preset How a session surfaces tools: meta_tools, direct_tools, or hybrid.
Term Definition Auth config Your credentials for a provider (an OAuth app or API integration template), per project.Connected account Your end-user's authorized account with a provider, per tenant. Credentials are encrypted.Auth mode How an account connects: api_key, oauth2, webhook_secret.
The most common mix-up: auth config is yours (one per provider, per project); a connected
account is your user's (one per tenant). See Connections & auth .
Term Definition Pack A named knowledge product, e.g. in.business_compliance.authority. Release An immutable, versioned snapshot of a pack. Block A quotable unit of text with a stable canonical id . Evidence receipt A cryptographic record proving a block was cited; carries an evidenceId. Claim scope The intended evidential use: statutory rule, regulatory direction, procedure, policy signal. Currentness Whether a block is in force; the runtime is fail-closed on stale blocks.
Term Definition Trigger type / subscription What a provider can emit / a tenant's subscription to it. Delivery mode How events arrive: webhook or polling. Workbench A sandboxed runtime where agents run code and bash with provider/LLM/web helpers. Artifact A stored file produced by a tool or workbench run. Execution A recorded run: tool, batch, workbench_bash, or workbench_code.