@devpick/mcp-server

@devpick/mcp-server

Developer tools for AI agents. Merge PDFs, calculate subnets, test regex, diff JSON — things your AI agent can't do alone.

43 tools • 100% local • No API keys • Works offline

From devpick.sh — developer tools that don't suck.

Install

Claude Code

claude mcp add devpick -- npx -y @devpick/mcp-server

Cursor

Add to .cursor/mcp.json:

{
  "mcpServers": {
    "devpick": {
      "command": "npx",
      "args": ["-y", "@devpick/mcp-server"]
    }
  }
}

VS Code (Copilot)

Add to .vscode/mcp.json:

{
  "servers": {
    "devpick": {
      "command": "npx",
      "args": ["-y", "@devpick/mcp-server"]
    }
  }
}

Codex

codex mcp add devpick -- npx -y @devpick/mcp-server

Tools

📄 PDF Operations

Your AI agent can't manipulate PDF files. Now it can.

Tool	Description
merge_pdfs	Merge multiple PDFs into one
split_pdf	Extract specific pages from a PDF
pdf_info	Get page count, metadata, dimensions
rotate_pdf	Rotate pages by 90°, 180°, or 270°
pdf_watermark	Add text watermark to every page
remove_pdf_pages	Remove specific pages from a PDF

🧮 Computation

Things LLMs get wrong — subnet math, regex execution, cron scheduling.

Tool	Description
calculate_subnet	CIDR subnet calculator (network, broadcast, hosts)
test_regex	Execute regex against test strings with match details
parse_cron	Parse cron expression and show next N execution times
parse_jwt	Decode JWT header + payload
calculate_chmod	Unix permission octal ↔ symbolic conversion
json_diff	Structural diff between two JSON objects
text_diff	Line-by-line text comparison
generate_hash	MD5, SHA-1, SHA-256, SHA-512 hashing

✨ Format & Validate

Tool	Description
format_json	Prettify or minify JSON
format_sql	Beautify SQL queries
format_xml	Format XML documents
format_html	Beautify HTML
format_css	Format CSS
validate_yaml	Validate YAML syntax
validate_toml	Validate TOML syntax

🔐 Encode & Decode

Tool	Description
encode_base64 / decode_base64	Base64 encoding/decoding
encode_url / decode_url	URL encoding/decoding
encode_html_entities / decode_html_entities	HTML entity encoding
escape_string / unescape_string	String escape sequences

🔄 Convert

Tool	Description
yaml_to_json / json_to_yaml	YAML ↔ JSON
csv_to_json / json_to_csv	CSV ↔ JSON
json_to_typescript	Generate TypeScript interfaces from JSON
markdown_to_html	Convert Markdown to HTML
number_base_convert	Convert between binary, octal, decimal, hex
hex_to_rgb / rgb_to_hex	Color format conversion

🔧 Generate

Tool	Description
generate_uuid	Generate UUID v4
generate_lorem_ipsum	Generate placeholder text
generate_slug	URL-friendly slug from text
generate_cron_expression	Build cron expressions from description
count_words	Word, character, sentence, paragraph count

Why?

Your AI coding agent can format JSON. It can encode Base64. But it can't:

• Merge your PDF files
• Calculate exact subnet boundaries without guessing
• Execute a regex against 50 test strings and report matches
• Diff two large JSON objects structurally

This MCP server gives your agent real tools for real work. Everything runs locally on your machine — no API keys, no network calls, no rate limits.

License

MIT — devpick.sh