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Connect exposes library profiles and research recipes through read-only discovery APIs. Agents use these descriptions to choose an integration before installation.

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Catalog APIs

Use DiscoveryTools::new with a public catalog or DiscoveryTools::from_library with versioned bundles. The host selects which agents receive the dispatcher.

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Read a recipe

List recipes with list_integration_recipes, then pass a returned identity and digest to read_integration_recipe. Include library_digest when the listing supplies it. A package identity contains publisher, name and version. Preserve the complete tuple and returned digests. Several versions or strategies can describe the same service. The combined catalog contains 111 metadata records: 101 library entries and 10 discovery entries. Discovery records provide research starting points. For the service list, see integration library.

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Bundle contents

An IntegrationBundle joins plugin.json, optional mcp.json and typed recipes.json inputs. It includes source provenance, configuration requirements, account prerequisites, strategies and selected operations. A strategy may describe a local package, a remote endpoint or setup guidance. The agent makes the concrete selection. Code validates that selection against the package and host contracts before activation.

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Identity and updates

Package metadata, executable artifacts and source revisions have distinct identities. A metadata change produces a new content-derived version. Retain the exact version and digest used for a selection so it can be inspected or migrated later. Library registration comes from crates/toolkit-package/src/library.rs; packaged profile metadata is in crates/toolkit-package/catalog/adopted.json. Use the catalog APIs to inspect the registered inventory.

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Runtime tools

After connection, use MCP tools/list or Meerkat’s tool catalog to inspect the actual operation names and schemas. Apply the selected agent’s permissions through the native runtime. See discovery API, package contracts and native MCP integration.