Connector platforms
Vendors that give agents ready-made, authenticated access to many apps through MCP. 10 vendors typed here by main layer, each read on its own pages on 5 November 2026 and listed A to Z: Activepieces, Arcade, Composio, Make, Merge, n8n, Nango, Pipedream, StackOne and Zapier.
Of these, 4 state at least one standard on the pages read, and 5 publish a price for at least one product. Other layers they also cover: registry or directory (1), gateway or proxy (1) and auth provider (2). Merge and StackOne publish no price on the pages read.
Connector platforms
| Vendor | What it does for this layer | Pricing | Ora score |
|---|---|---|---|
| Activepieces | Activepieces exposes its automation platform as one MCP server per project, so Claude, Cursor or another client can use 770+ connected apps as tools and build flows, free on every plan, cloud or self-hosted. | included in every plan as of 2026-11-05 | 74 (B) scanned 2026-10-26 |
| Arcade | Arcade is an actions runtime that handles OAuth and user tokens and enforces policy on every agent tool call across 7,500+ tools; it acquired Smithery, the public MCP registry and hosting service, in August 2026. | platform fee plus per tool call; no published price for its other products as of 2026-11-05 | 89 (A) scanned 2026-11-01 |
| Composio | Composio gives agents per-user, authenticated access to 1000+ apps through a shared MCP server with seven meta-tools, per-session MCP endpoints, single-toolkit servers and agent plugins. | price not read | 83 (B) scanned 2026-10-26 |
| Make | Make runs a hosted, stateless Streamable HTTP MCP server that lets Claude, ChatGPT and other clients run Make scenarios and manage scenarios, connections, webhooks and teams, scoped at connect time. | price not read | 78 (B) scanned 2026-11-02 |
| Merge | Merge Agent Handler gives AI agents per-end-user access to 190+ MCP-ready third-party connectors through Tool Packs, with a Security Gateway that scans every tool call against data-loss rules. | no published price | 65 (C) scanned 2026-10-26 |
| n8n | n8n includes a built-in MCP server per instance that lets MCP clients search workflows, run the ones marked available to MCP, and create or edit workflows and data tables, on n8n Cloud or self-hosted. | price not read | 71 (B) scanned 2026-10-09 |
| Nango | Nango is an integration layer whose MCP Auth lets an app authorise each end user against external MCP servers such as Notion, Linear or HubSpot, store the tokens and call those servers through Nango's proxy. | free tier, then credits as of 2026-11-05 | 65 (C) scanned 2026-10-26 |
| Pipedream | Pipedream Connect runs a remote MCP server that gives agents per-user access to 3,000+ apps and 10,000+ prebuilt tools, with Pipedream managing OAuth and storing each user's credentials. | free to build, paid in production as of 2026-11-05 | no cached score |
| StackOne | StackOne runs a hosted MCP server and an enterprise Tool Gateway MCP that give agents 43,000+ actions across 630+ connectors, with per-account tool catalogs and StackOne handling provider authentication. | no published price | 87 (A) scanned 2026-10-15 |
| Zapier | Zapier MCP lets MCP clients run actions across Zapier's app catalogue, with each programmatic call drawn from the same monthly task allowance that powers Zap workflows. | tasks from the plan allowance as of 2026-11-05 | 84 (B) scanned 2026-11-04 |