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mcp/harbor
Verified official

useSignal MCP

v0.2.0

io.github.sanket-naik/usesignal

QR codes, JSON diff/format, hashes, JWT, cron, timestamps, placeholders, flowcharts, forms, regex.

transport:streamable-http tools:12
View source Website

Target client

run in your project directory 

claude mcp add --transport http usesignal https://www.usesignal.dev/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

usesignal_generate_form

usesignal generate form

usesignal_generate_colors

usesignal generate colors

usesignal_test_regex

usesignal test regex

usesignal_generate_qr

usesignal generate qr

usesignal_encode_decode

usesignal encode decode

usesignal_explain_cron

usesignal explain cron

usesignal_convert_timestamp

usesignal convert timestamp

usesignal_diff_json

usesignal diff json

usesignal_format_json

usesignal format json

usesignal_placeholder_image

usesignal placeholder image

usesignal_flowchart

usesignal flowchart

usesignal_open_workbench

usesignal open workbench

All 12 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.