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Code Executor MCP

https://code-executor.mcpize.run

Scanned Apr 14, 2026

F51/100
Clarity
0
Protocol
58
Auth
0
Reliability
100
Trust
80
Safety
87
Market
30

Upgrade available

Your server uses protocol 2025-06-18. The latest version is 2025-11-25 with session management, origin validation, and notification support.

Strengths & Weaknesses

Clarity (0)Protocol (58)Auth (0)Reliability (100)Trust (80)Safety (87)Market (30)

Top Issues

7 found
CRITICAL

Cannot enumerate tools — tools/list request failed

Server does not reject invalid MCP-Protocol-Version header.

Server does not reject malformed JSON-RPC requests.

Server does not validate Origin header — potential CSRF risk.

MEDIUM

Custom domain: Default hosting subdomain

MEDIUM

No authentication required — server is open to anonymous access, which may be intentional for public tools

MEDIUM

Multiple similar MCP servers exist. Consider differentiating with unique features.

Protocol & Capabilities

Transport:Streamable HTTP
Protocol:2025-06-18
SSE Support:No
Session ID:Yes
Protocol Checks
Ping

Server responded to ping

Session ID

Valid Mcp-Session-Id assigned (36 chars)

Version Header Validation

Server returned 200 for invalid protocol version (expected 400)

JSON-RPC Validation

Server returned 200 for malformed JSON-RPC (expected 400)

Origin Header

Server returned 200 for invalid Origin (expected 403)

Session Termination (DELETE)

Server accepts DELETE for session termination (204)

Notification Handling (202)

Server returns 202 Accepted for JSON-RPC notifications

!
Server Info

Server info: name, version

Server Capabilities
Tools
Resources
Prompts
Completions
Tasks
Logging

Auth

No OAuth? That's OK

OAuth is optional, but consider it for production deployments to protect your server from unauthorized access.

Trust

Latency: 505ms
HTTPS
Default hosting subdomain
Name: Code Executor MCP, Version: 1.27.0
Structured errors

Market

UniquenessCan it be done with an LLM alone?
5/10

No tools to assess

OriginalityHow many similar servers exist?
1/10

5+ similar servers — crowded space

DemandHow broad is the audience?
5/10

Moderate audience size estimated

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