Agent Utils
FreeNot checkedSwiss-army-knife utility MCP server for AI agents. 18 tools for JSON validation/formatting, base64 encode/decode, hash generation, UUID generation, URL parsing,
About
Swiss-army-knife utility MCP server for AI agents. 18 tools for JSON validation/formatting, base64 encode/decode, hash generation, UUID generation, URL parsing, regex testing, markdown↔HTML conversion, text stats, slug generation, datetime conversion, cron parsing, text diffing, CSV↔JSON conversion, and JWT decoding. Zero API Key required
README
A Swiss-army-knife utility server for AI agents — 18 tools via MCP (Streamable HTTP) + REST API.
Live at: https://agent-utils-mcp.onrender.com
Add to Your MCP Client
Claude Desktop / Cursor / Windsurf
Add to your MCP config:
{
"mcpServers": {
"agent-utils": {
"url": "https://agent-utils-mcp.onrender.com/mcp"
}
}
}
Smithery
smithery mcp add aparajithn/agent-utils
Tools (18)
| Tool | Description |
|---|---|
tool_json_validate |
Validate JSON string, return parsed or error |
tool_json_format |
Pretty-print or minify JSON |
tool_base64_encode |
Encode string to base64 |
tool_base64_decode |
Decode base64 string |
tool_hash_generate |
MD5, SHA256, SHA512 hash |
tool_uuid_generate |
UUID v4 or v7 |
tool_url_parse |
Parse URL into components |
tool_regex_test |
Test regex pattern, return matches |
tool_markdown_to_html |
Markdown → HTML |
tool_html_to_markdown |
HTML → Markdown |
tool_text_stats |
Word count, char count, reading time |
tool_slug_generate |
URL-safe slug from text |
tool_datetime_convert |
Convert between timezones/formats/Unix timestamps |
tool_cron_parse |
Human-readable cron description + next N runs |
tool_diff_text |
Unified diff between two texts |
tool_csv_to_json |
CSV → JSON array |
tool_json_to_csv |
JSON array → CSV |
tool_jwt_decode |
Decode JWT payload (no verification) |
REST API
All tools also available as REST endpoints at /api/v1/{tool_name}.
# Hash a string
curl -X POST https://agent-utils-mcp.onrender.com/api/v1/hash_generate \
-H "Content-Type: application/json" \
-d '{"text": "hello world", "algorithm": "sha256"}'
# Generate UUID
curl -X POST https://agent-utils-mcp.onrender.com/api/v1/uuid_generate \
-H "Content-Type: application/json" \
-d '{"version": 4}'
# Convert datetime
curl -X POST https://agent-utils-mcp.onrender.com/api/v1/datetime_convert \
-H "Content-Type: application/json" \
-d '{"dt_string": "2025-01-01 12:00", "from_tz": "UTC", "to_tz": "America/New_York"}'
OpenAPI docs: https://agent-utils-mcp.onrender.com/docs
Discovery
- Google A2A:
/.well-known/agent-card.json - Smithery:
/.well-known/mcp/server-card.json - OpenAPI:
/openapi.json
Pricing
- Free tier: 100 requests per IP per 24 hours
- Paid tier: x402 protocol — $0.001/request in USDC (coming soon)
Tech Stack
- Python 3.11 + FastAPI + MCP SDK (Streamable HTTP)
- Deployed on Render (auto-scaling)
- GitHub: https://github.com/aparajithn/agent-utils-mcp
License
MIT
Installing Agent Utils
This server has no published package — it is built from source. Open the repository and follow its README.
▸ github.com/aparajithn/agent-utils-mcpFAQ
Is Agent Utils MCP free?
Yes, Agent Utils MCP is free — one-click install via Unyly at no cost.
Does Agent Utils need an API key?
No, Agent Utils runs without API keys or environment variables.
Is Agent Utils hosted or self-hosted?
Self-hosted: the server runs locally on your machine via the install command above.
How do I install Agent Utils in Claude Desktop, Claude Code or Cursor?
Open Agent Utils on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.
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