mcp-selenium-server-ai

A Java-based MCP server that performs browser automation for testing by translating natural-language test steps into Selenium WebDriver commands, using an LLM to generate/parameterize the Selenium actions.

Evaluated Apr 04, 2026 (16d ago)
Repo ↗ Testing mcp selenium browser-automation testing llm java maven testng
⚙ Agent Friendliness
26
/ 100
Can an agent use this?
🔒 Security
23
/ 100
Is it safe for agents?
⚡ Reliability
18
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
45
Documentation
20
Error Messages
0
Auth Simplicity
40
Rate Limits
0

🔒 Security

TLS Enforcement
20
Auth Strength
20
Scope Granularity
20
Dep. Hygiene
40
Secret Handling
20

Security posture cannot be confirmed from the provided metadata alone. This kind of tool should be treated as high-risk because an LLM-driven browser can access sensitive pages and perform unintended actions; strong sandboxing, network egress controls, allowlists for domains/actions, and careful secret handling are important but not verifiable here.

⚡ Reliability

Uptime/SLA
0
Version Stability
30
Breaking Changes
20
Error Recovery
20
AF Security Reliability

Best When

You want agent-assisted test authoring/execution for web UIs and can tolerate some nondeterminism from LLM step translation.

Avoid When

You cannot control or sandbox browser actions, or you need strict guarantees on what the agent will execute.

Use Cases

  • Automating end-to-end web UI test flows from human-readable steps
  • Prototyping test scenarios faster than writing Selenium scripts manually
  • Using an agent/LLM workflow to draft Selenium scripts and execute them against target browsers/URLs

Not For

  • High-assurance or safety-critical automation without human review
  • Environments where allowing an LLM to drive a browser is unacceptable
  • Deterministic, exact-script test suites where you require fully static test logic

Interface

REST API
No
GraphQL
No
gRPC
No
MCP Server
Yes
SDK
No
Webhooks
No

Authentication

OAuth: No Scopes: No

No authentication details were provided in the supplied repository metadata, so auth requirements/strength cannot be verified.

Pricing

Free tier: No
Requires CC: No

No pricing information provided (appears to be an open-source repo from metadata).

Agent Metadata

Pagination
none
Idempotent
False
Retry Guidance
Not documented

Known Gotchas

  • LLM step-to-Selenium translation can introduce nondeterminism (flaky selectors, timing issues, navigation differences).
  • Browser automation is stateful; repeated executions may have side effects (e.g., created test data, logged-in sessions).
  • Without explicit constraints/allowlists, agents may attempt unintended interactions on loaded pages.

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Scores are editorial opinions as of 2026-04-04.

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