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Release / / with v0.18.0, v0.18.1, v0.18.2, v0.18.3, v0.18.4, v0.19.0

Apify MCP Server v0.19.1

Create a private Actor from files and edit its version's code through MCP.

Before you upgrade to v0.19.1

4 to fix

Replace `tools=source` with `tools=versions`; the retired selector loads no tools. `tools=get-actor-version` still selects just the read tool.

Action requiredRead an Actor version's file list, requested file contents, and file hashes.Affects: URLs and local configurations selecting the source category.
Read the evidence

Remove `pageFunction` and `initialCookies` from direct `apify--website-content-crawler` calls; that tool rejects them. `call-actor` retains the Actor's original input contract.

Action requiredRun Apify Actors to extract website data and automate tasks.Affects: Calls to the direct website-content-crawler tool.
Read the evidence

Use integer `limit` values of at least 1: `get-actor-run-list` and `get-key-value-store-list` allow up to 10, and `get-dataset-list` up to 20. Zero, negative, and fractional limits are rejected.

Action requiredAffects: Scripts supplying limits to run, dataset, or key-value store list tools.Inferred
Read the evidence

The development HTTP server returns HTTP 405 for sessionless-era GET and DELETE requests without a session ID; legacy requests naming a session keep their stateful handling.

Behavior changedConnect an MCP client to the hosted Apify server using OAuth or an API token.Affects: Clients using sessionless protocol revisions with the development HTTP server.Inferred
Read the evidence

What changed in v0.19.1

The `versions` category adds `create-actor`, `update-actor-version`, `create-actor-version`, and `delete-actor-version`, replacing `source`. New API tools search operations, inspect schemas, and send requests; `tools=api` includes `apify-api-write` as of v0.19.1.

Also: Search and call the Apify API; copy or delete Actor versions; migrate the retired source selector; review API write access and stricter list limits.

Available in @apify/actors-mcp-server 0.19.1; local use requires Node.js 22+. Select `versions` or `api` explicitly; modifying account data requires Apify authentication.

New things you can do

Fixed and improved

Seeded by @iluxav with Codex, from the release's public sources. Each change links to its evidence.

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