Claude Marketplaces
SkillsMCP serversMarketplacesPluginsDigestAdvertise
Submit

LLMond Highlights

This week in Claude is LLMond Highlights now. A weekly email, free.

Skills by category
Frontend DevelopmentBackend & APIsTesting & QASecurityDevOps & CI/CDGit & Pull RequestsDocumentationCode Review & QualityAI & Agent BuildingSkill Development
MCP servers by category
Sales & MarketingWeb & Browser AutomationDatabasesAI & LLM ToolsCloud & InfrastructureCommunication & MessagingDeveloper ToolsDesign & CreativeDocuments & KnowledgeSearch & Web Crawling
Marketplaces by category
AI Agents & OrchestrationLLM IntegrationDevelopment ToolsFrontend & UIBackend & APIsDatabasesTesting & Code QualityDevOps & CloudSecurity & ComplianceGit & Version Control
Claude Marketplaces

An independent directory of skills, plugins and MCP servers for Claude Code. Not affiliated with Anthropic.

Browse

  • Skills
  • MCP servers
  • Marketplaces
  • Plugins
  • Weekly digest
  • Skill index
  • MCP index
  • Marketplace index
  • Plugin index

Site

  • About
  • Submit
  • Advertise
  • Feedback
  • Privacy
  • llms.txt
  • Plugins reference

Maker

  • Snug
  • Agent Caffeine
  • knobs
  • Wax
  • Vectoys
  • mertduzgun.com
by Mert Düzgün
MCP servers/Databases
ronin93 avatar

GrindFree Agent Security

ronin93/grindfree-agent-security

Pay-per-call agent security (x402): injection, tools, shell/SQL, memory, leaks, docs, safe web reads

tools
10
auth
Secret needed
transport
STDIO
env var
1
last updated
Nov 12, 2026
View on GitHubSave

Tools

10 tools

Public tool metadata for what this MCP can expose to an agent.

promptshield_screenPrompt-injection screen.

Prompt-injection screen.

No parameter schema in public metadata yet.

promptshield_cleanHTML to LLM clean text conversion.

HTML to LLM clean text conversion.

No parameter schema in public metadata yet.

crawlsafe_checkrobots.txt / X-Robots-Tag crawl gate (SSRF-guarded; not malware scanning).

robots.txt / X-Robots-Tag crawl gate (SSRF-guarded; not malware scanning).

No parameter schema in public metadata yet.

toolguard_evaluatePre-tool-call allow | review | deny policy gate; the calling agent must enforce the decision before executing the tool.

Pre-tool-call allow | review | deny policy gate; the calling agent must enforce the decision before executing the tool.

No parameter schema in public metadata yet.

commandguard_commandChecks shell commands before running them.

Checks shell commands before running them.

No parameter schema in public metadata yet.

commandguard_sqlChecks SQL before running it.

Checks SQL before running it.

No parameter schema in public metadata yet.

memoryguard_screenChecks content before saving it to long-term memory.

Checks content before saving it to long-term memory.

No parameter schema in public metadata yet.

wireshield_scanChecks agent output before rendering or sending it.

Checks agent output before rendering or sending it.

No parameter schema in public metadata yet.

docshield_scanChecks a local file (path), base64 bytes, or HTML/Markdown for hidden instructions (max 3 MB).

Checks a local file (path), base64 bytes, or HTML/Markdown for hidden instructions (max 3 MB).

No parameter schema in public metadata yet.

grindfree_discoveryUnpaid 402 / discovery probe (no spend).

Unpaid 402 / discovery probe (no spend).

No parameter schema in public metadata yet.

Sponsors

Promote your product hereReach 125k+ visitors monthlyPromote your product hereReach 125k+ visitors monthlyAgent CaffeineSponsoredClose your lid, come back to finished workSnugSponsoredThe clipboard manager for the AI eraPromote your product hereReach 125k+ visitors monthlyWaxSponsoredBlock anything with supervision, without erasing your iPhonePromote your product hereReach 125k+ visitors monthlyknobsSponsoredSee your site on any phone, any day, in any language

Configuration

X402_PRIVATE_KEY*secret

Caller's own Base USDC EVM private key (0x…). Used only by the local MCP host to settle x402 payments. Never a GrindFree key; never commit this value.

Readme

GrindFree Agent Security

MCP server + client snippets for GrindFree’s pay-per-call agent security APIs on Base:


View the full README on GitHub

Details

Repository
github.com/ronin93/grindfree-agent-security
Categories
Databases, AI & LLM Tools, Developer Tools, Security & Pentesting
Package
@grindfree/agent-security-mcp
Transport
STDIO
Auth
Required
Registry
MCP registry, active

Related Databases MCP servers

View all
1www avatarToolssite.jiebang.www/tools20 free dev tools: JSON/YAML, XML/SQL, Cron, SEO, QR code, URL shortener, cron tasks, files0stars
2xultrax-web avatarAgent Memory Mcpxultrax-web/agent-memory-mcpMarkdown memory for AI agents. Files you can read, edit, grep, and commit. Not a database.0stars
3waystation-ai avatarPostgreswaystation-ai/mcpConnect to your PostgreSQL database to query data and schemas.0stars
4hovecapital avatarRead Only Local Postgres Mcp Serverhovecapital/read-only-local-postgres-mcp-serverMCP server for read-only PostgreSQL database queries in Claude Desktop2stars
5cocaxcode avatarDatabase Mcpcocaxcode/database-mcpMCP server for database connectivity. Multi-DB (PostgreSQL, MySQL, SQLite), 19 tools.1stars
6infoinlet-marketplace avatarMcp Mysqlinfoinlet-marketplace/marketplaceRead-only MySQL/MariaDB for AI agents — query, list/describe tables, health. SQL-guarded.0stars