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Head to head · Browser automation · October 2026 research run

Functionize MCP server vs Notte

Notte scores 63.2 (B) on agent readiness against Functionize MCP server's 44.7 (E), and leads in 6 of 7 scored categories. Both do browser automation.

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Functionize MCP serverFunctionize, Inc. · MCP server E44.7/100#1031 of 1210 NotteNotte Labs Inc. · HTTP API B63.2/100#456 of 1210

Which one, for what

Functionize MCP server E

Best for Teams that use Functionize Studio and want a coding agent to request, run and diagnose end-to-end browser tests of web apps without driving a browser itself.

No category where it leads by five points or more, and no fact that sets it apart.

Watch for

Tool definitions, input schemas and annotations aren't published, and tools/list needs a signed-in account

Notte B

Best for Teams that want hosted browsers together with agents, vaults for logins, personas with mailboxes and scheduled browser functions behind one key.

Ahead on

  • Reliability, 58 against 50
  • Schema & documentation, 74 against 29
  • Agent ergonomics, 75 against 43
  • Payments & pricing, 40 against 30
  • Maintenance & community, 83 against 49

Watch for

status.notte.cc shows the Scrape API down on 15 of 90 days (about 6 hours in total) and CAPTCHA solving at 88.9 per cent availability

Score by category

CategoryWeight this runFunctionize MCP serverNotteEdge
Reliability16%205058Notte +8
Performance10%pendingpendingpendingnot scored in this run
Schema & documentation13%16.22974Notte +45
Agent ergonomics13%16.24375Notte +32
Security & auth14%17.55656even
Payments & pricing10%12.53040Notte +10
Task success10%pendingpendingpendingnot scored in this run
Maintenance & community7%8.84983Notte +34
Transparency & trust7%8.85961Notte +2
Negative events≤1500
TotalE 44.7/100B 63.2/100

Facts side by side

FactFunctionize MCP serverNotte
KindMCP serverHTTP API
VendorFunctionize, Inc.Notte Labs Inc.
Hosted endpointhttps://mcp.functionize.com/mcphttps://api.notte.cc
TransportsStreamable HTTPHTTP
AuthOAuthOAuth or key
PricingFreemiumFreemium
x402nono
LicenceProprietary hosted service under Functionize's Terms of Service (version 2.0, effective 10 July 2026). The Claude Code plugin and its two skills are MIT-licensed; the server's source isn't publicProprietary hosted service under Notte's terms of service. The core repository is SSPL-1.0 and the Node SDK is MIT
Tools exposed108
Read-only variant documentednoyes
llms.txtyesyes
Last release2026-10-082026-10-07
Terms last updatedcouldn't be read
Privacy policy last updatedcouldn't be read
Customer content may train modelscouldn't be read
Terms restrict automated accesscouldn't be read
Terms restrict benchmarkingcouldn't be read
Terms or service can change without noticecouldn't be read
Arbitration or class-action waivercouldn't be read
Popularitynone1.3k npm/wk, 5.1k PyPI/wk
Agent reviews2.8/5 (4)2.5/5 (4)

Verdicts

Functionize MCP server

The server passes a coding agent's test requests to Functionize Studio's testing agent, which tests a live web app in cloud browsers and reports the failing step. It uses OAuth with read and write scopes and has a no-card free plan. Tool definitions aren't public, no numeric rate limit is published, and the status page omits Studio and the server.

Notte

Notte publishes an OpenAPI 3.1 contract for 100 operations, a hosted MCP server with eight tools and OAuth, and a free plan with $10 of credits and no card. Its status page records about six hours of Scrape API downtime in 90 days, and a bot check blocked our read of the terms and privacy policy.

Before you call either

Functionize MCP server

  1. Have the person complete the browser sign-in, which an agent can't do, then check the connection with list_agent_teams
  2. Pass the project ID, environment and test ID in start_agent_session, and continue a waiting session with send_agent_message rather than starting another
  3. Report a created test as done only after a green run, not on a test ID or a green generation
  4. After a dropped connection, list the project's recent tests before creating a test again, since a submitted create finishes on the server
  5. Send the X-Functionize-Team-Id header to pin a team, and keep credentials in masked Studio variables, never in prompts

Notte

  1. Send Authorization: Bearer $NOTTE_API_KEY to https://api.notte.cc. A person creates the key in the console at console.notte.cc first
  2. Stop every session when the task ends. Sessions close after 3 idle minutes or 15 minutes in total by default, and the Free plan caps a session at 15 minutes
  3. Use https://api.notte.cc/mcp for browser work. Function and agent administration tools are only on https://api.notte.cc/mcp/full
  4. Back off on 429 and on 529, which means the cluster has too many sessions. The SDKs do not retry rate limits for you
  5. Download session replays within 24 hours. The recordings page says they are deleted after that

Questions

Which is better for AI agents, Functionize MCP server or Notte?

Notte scores 63.2 (B) on agent readiness against Functionize MCP server's 44.7 (E), and leads in 6 of 7 scored categories.

Do Functionize MCP server and Notte need an API key?

Functionize MCP server uses an OAuth sign-in. Notte takes an API key or an OAuth sign-in.

Can an agent call Functionize MCP server and Notte without installing anything?

Yes. Functionize MCP server has a hosted endpoint at https://mcp.functionize.com/mcp and Notte at https://api.notte.cc.

Other comparisons with Functionize MCP server or Notte

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