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x402-gateway

https://x402.freeq.one/mcp

Scanned Aug 26, 2026

C+77/100
Clarity
96
Protocol
40
Auth
0
Reliability
94
Trust
94
Safety
30
Market
55

Upgrade available

Your server uses protocol 2025-03-26. The latest version is 2025-11-25 with session management, origin validation, and notification support.

Strengths & Weaknesses

Clarity (96)Protocol (40)Auth (0)Reliability (94)Trust (94)Safety (30)Market (55)

Top Issues

11 found
HIGHwallet_verify_nostr

Tool "wallet_verify_nostr" schema contains potential secret/credential parameters — avoid exposing API keys in tool schemas

HIGHProtocol Version Header

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

HIGHJSON-RPC Transport

Server does not reject malformed JSON-RPC requests.

HIGH

Secret/credential patterns in tool schemas: token_price, wallet_verify_nostr — avoid exposing API keys or passwords in tool definitions

MEDIUMSession Management

Server did not assign a session ID. Session management may not work.

MEDIUMTransport Security

Server does not validate Origin header — potential CSRF risk.

MEDIUMJSON-RPC Transport

Server does not return 202 for JSON-RPC notifications.

MEDIUMJSON-RPC Transport

Error response does not follow JSON-RPC error format.

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.

LOWSession Management

Unexpected 404 on DELETE — server should return 200/204 or 405.

Protocol & Capabilities

Transport:Streamable HTTP✓
Protocol:2025-03-26✓
SSE Support:No○
Session ID:No○
Protocol Checks
✓
Ping

Server responded to ping

!
Session ID

No Mcp-Session-Id assigned by server

✗
Version Header Validation

Server returned 200 for invalid protocol version (expected 400)

✗
JSON-RPC Validation

Server returned 402 for malformed JSON-RPC (expected 400)

✗
Origin Header

Server returned 200 for invalid Origin (expected 403)

!
Session Termination (DELETE)

Server returned 404 on DELETE (expected 200 or 405)

✗
Notification Handling (202)

Server returned 200 for notification (expected 202)

✓
Server Info

Server info: name, version, title, websiteUrl

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: 42ms
✓HTTPS
✓Custom domain detected
✓Name: x402-gateway, Version: 0.2.0
○Structured errors

Market

UniquenessCan it be done with an LLM alone?
6/10

external: api, fetch, request; LLM-native: format, convert, markdown

OriginalityHow many similar servers exist?
1/10

5+ similar servers — crowded space

DemandHow broad is the audience?
9/10

Domain "git" has broad developer audience

Competitors found

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6 Top MCP Servers for Web Scraping (May 2026)

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just-every/mcp-read-website-fast

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Tools (19 tools)

markdownRead45

“markdown: 45 pts | Risk: read | Naming: 5/15, Desc: 10/20, Input: 15/20, Annot: 0/15”

!Naming:5/15
!Description:10/20
!Input Schema:15/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15
token_priceRead50

“token_price: 50 pts | Risk: read | Naming: 10/15, Desc: 10/20, Input: 15/20, Annot: 0/15”

!Naming:10/15
!Description:10/20
!Input Schema:15/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15
wallet_portfolioRead50

“wallet_portfolio: 50 pts | Risk: read | Naming: 10/15, Desc: 10/20, Input: 15/20, Annot: 0/15”

!Naming:10/15
!Description:10/20
!Input Schema:15/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15
whale_alertsRead50

“whale_alerts: 50 pts | Risk: read | Naming: 10/15, Desc: 10/20, Input: 15/20, Annot: 0/15”

!Naming:10/15
!Description:10/20
!Input Schema:15/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15
cross_chain_balanceRead50

“cross_chain_balance: 50 pts | Risk: read | Naming: 10/15, Desc: 10/20, Input: 15/20, Annot: 0/15”

!Naming:10/15
!Description:10/20
!Input Schema:15/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15
changelog_openapiRead55

“changelog_openapi: 55 pts | Risk: read | Naming: 10/15, Desc: 15/20, Input: 15/20, Annot: 0/15”

!Naming:10/15
!Description:15/20
!Input Schema:15/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15
changelog_gitRead55

“changelog_git: 55 pts | Risk: read | Naming: 10/15, Desc: 15/20, Input: 15/20, Annot: 0/15”

!Naming:10/15
!Description:15/20
!Input Schema:15/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15
mermaidRead55

“mermaid: 55 pts | Risk: read | Naming: 5/15, Desc: 15/20, Input: 20/20, Annot: 0/15”

!Naming:5/15
!Description:15/20
✓Input Schema:20/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15
html_to_markdownRead50

“html_to_markdown: 50 pts | Risk: read | Naming: 10/15, Desc: 10/20, Input: 15/20, Annot: 0/15”

!Naming:10/15
!Description:10/20
!Input Schema:15/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15
qr_generatorRead60

“qr_generator: 60 pts | Risk: read | Naming: 10/15, Desc: 15/20, Input: 20/20, Annot: 0/15”

!Naming:10/15
!Description:15/20
✓Input Schema:20/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15
og_image_generatorRead55

“og_image_generator: 55 pts | Risk: read | Naming: 10/15, Desc: 15/20, Input: 15/20, Annot: 0/15”

!Naming:10/15
!Description:15/20
!Input Schema:15/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15
jobsRead50

“jobs: 50 pts | Risk: read | Naming: 5/15, Desc: 15/20, Input: 15/20, Annot: 0/15”

!Naming:5/15
!Description:15/20
!Input Schema:15/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15
verify_semaphoreRead50

“verify_semaphore: 50 pts | Risk: read | Naming: 10/15, Desc: 10/20, Input: 15/20, Annot: 0/15”

!Naming:10/15
!Description:10/20
!Input Schema:15/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15
verify_worldidRead60

“verify_worldid: 60 pts | Risk: read | Naming: 10/15, Desc: 15/20, Input: 20/20, Annot: 0/15”

!Naming:10/15
!Description:15/20
✓Input Schema:20/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15
verify_batchRead55

“verify_batch: 55 pts | Risk: read | Naming: 10/15, Desc: 15/20, Input: 15/20, Annot: 0/15”

!Naming:10/15
!Description:15/20
!Input Schema:15/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15
wallet_verify_siweRead55

“wallet_verify_siwe: 55 pts | Risk: read | Naming: 10/15, Desc: 15/20, Input: 15/20, Annot: 0/15”

!Naming:10/15
!Description:15/20
!Input Schema:15/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15
wallet_verify_nostrUnknown55

“wallet_verify_nostr: 55 pts | Risk: unknown | Naming: 10/15, Desc: 15/20, Input: 15/20, Annot: 0/15”

!Naming:10/15
!Description:15/20
!Input Schema:15/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15

Issues

Tool "wallet_verify_nostr" schema contains potential secret/credential parameters — avoid exposing API keys in tool schemas
wallet_verify_solanaUnknown55

“wallet_verify_solana: 55 pts | Risk: unknown | Naming: 10/15, Desc: 15/20, Input: 15/20, Annot: 0/15”

!Naming:10/15
!Description:15/20
!Input Schema:15/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15
wallet_checksumRead50

“wallet_checksum: 50 pts | Risk: read | Naming: 10/15, Desc: 10/20, Input: 15/20, Annot: 0/15”

!Naming:10/15
!Description:10/20
!Input Schema:15/20
✓Output Schema:10/10
✗Annotations:0/15
✗Error Hints:0/15

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