feat(plugin): add M2MCent Gateway plugin v0.0.1

[Evozim]

Plugin Submission

Plugin information

• Author: Evozim
• Plugin name: m2mcent_gateway
• Version: 0.0.1
• Source repository: https://github.com/Evozim/m2mcent
• Contact: support@m2mcent.com

Submission type

• New plugin
• Version update

What changed

Added the M2MCent Universal MCP Gateway plugin, connecting Dify agents and workflows to 1,005 specialized AI micro-services across Web3 security, finance, biotech, and 3D with x402 V2 settlement on Base Mainnet.

Risk level

• Low risk
• Medium risk
• High risk

External declarative API tool integration via HTTPS with schema validation and no local system access.

Required checks

• I have read and followed the Marketplace submission requirements.
• I have read and comply with the Plugin Developer Agreement.
• I tested this plugin on Dify Community Edition and Dify Cloud, or documented any limitation below.
• The package contains only files needed at runtime.
• The package does not contain secrets, local credentials, .env files, .git directories, virtual environments, caches, logs, or IDE files.
• The package does not contain executables or bundled binaries, or I explained why they are required below.
• The plugin README includes setup steps, usage instructions, required APIs or credentials, connection requirements, and the source repository link.
• The plugin includes PRIVACY.md or a hosted privacy policy, and manifest.yaml references it.
• All user-facing text is primarily in English, with any localized README files following the i18n guidance.

Security and privacy notes

None. No prompt retention or credentials storage. Cryptographic authorizations are settled on public smart contracts.

Local validation

# Package inspection and structure validation
python audit_zip.py
# Total files: 13 | Excludes .git: True | Manifest verified: True

Reviewer notes

All previous packaging comments have been resolved:

• Excluded .git repository metadata from .difypkg.
• Added required repo and contact fields to manifest.yaml.
• Fixed icon paths to icon.svg and icon_dark.svg (removed double _assets bug).
• Added missing requests module to requirements.txt.