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Proxy tool calls to SaaS apps

Stand between an agent and many SaaS APIs, handling auth and normalisation so the agent does not wire each vendor itself.

9 listings. Catalog build: 2026-10-17.

Which tool fits this job?

Compare the tools below against the input you have, the output you need, and the systems you already use. This list includes tools with and without MCP support.

These matches come from recorded vendor claims. They are a shortlist to investigate, not a performance ranking. A tool's overall test label does not prove it was tested for this task.

Questions this page helps you explore

Before you choose

  1. Check the stated capability against the exact result you need.
  2. Confirm coverage, freshness, limits, and total cost in the current vendor documentation.
  3. Test a small sample from your own workflow before committing.
  4. If an agent will do the work, check API or MCP access separately.

Listings are alphabetical. Open a record for dated sources and research notes.

Read this solution shortlist as JSON

Apideck

A unified API that normalises 200+ SaaS connectors into single data models, exposed as one MCP endpoint covering CRM, accounting, HRIS, ATS, file storage and issue tracking.

API access: freeLast checked: 2026-08-25MCP: officialResearchedMarkdownJSON

Composio

A hosted integration/auth platform that lets AI agents and MCP clients call actions across 1,000+ SaaS apps (HubSpot, Slack, Gmail, GitHub, Notion, Stripe, and others) through Composio-managed OAuth.

API access: freeLast checked: 2026-09-07MCP: officialResearchedMarkdownJSON

Make

A visual, node-based workflow automation platform ("scenarios") connecting 3,000+ apps, with newer AI-agent and natural-language-build features layered on top.

API access: paidLast checked: 2026-09-07MCP: officialResearchedMarkdownJSON

mcp.run / TurboMCP

An enterprise self-hosted MCP gateway and management platform - a trusted, admin-curated registry plus RBAC-controlled deployment of MCP servers across a team's own infrastructure (K8s, PaaS, VMs).

API access: enterprise onlyLast checked: 2026-09-07MCP: officialResearchedMarkdownJSON

Metorial

A hosted MCP gateway that gives AI agents/"AI employees" centralized, governed access to a company's SaaS tools (Google Workspace, Microsoft 365, GitHub, Jira, Slack, Teams, Stripe, Salesforce, Zendesk, and custom internal systems) through one integration point.

API access: paidLast checked: 2026-09-07MCP: officialResearchedMarkdownJSON

n8n

A node-based workflow-automation platform for connecting apps/APIs and orchestrating multi-step processes, usable self-hosted or as managed cloud.

API access: freeLast checked: 2026-09-07MCP: officialResearchedMarkdownJSON

Pipedream MCP

Pipedream's existing workflow/integration platform re-exposed as hosted MCP servers, giving an MCP client access to 3,000+ connected apps and 10,000+ pre-built tools via Pipedream Connect.

API access: paidLast checked: 2026-08-24MCP: officialResearchedMarkdownJSON

Zapier

A cloud automation platform connecting thousands of apps via trigger-action workflows (Zaps), plus a separate agent product.

API access: freeLast checked: 2026-09-07MCP: officialResearchedMarkdownJSON

Zapier MCP

Zapier's own MCP endpoint, letting Claude, ChatGPT, Cursor, and other MCP clients trigger the same 9,000+ app actions Zapier already exposes to its classic trigger-action Zaps.

API access: freeLast checked: 2026-09-07MCP: officialResearchedMarkdownJSON

How the research labels work