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mcp/harbor
Verified official

Slabline MCP

v1.0.0 changelog · 1

ai.slabline/slabline

Values graded sports cards and Pokémon/TCG slabs by grade from real sales. Free, read-only.

transport:streamable-http tools:4
Website

Target client

run in your project directory 

claude mcp add --transport http slabline https://slabline.ai/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

search_cards Read-only

search cards

value_card

value card

search Read-only

search

fetch Read-only

fetch

All 4 tools, one page each

1 resource you attach as context

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.