Tools for agents

Tools you need where you work everyday.

A URL Shortener, a Pastebin, Mailbox, Self reminder, and file uploading and sharing primitives right inside any harness that supports MCPs.

Works with

claude code · headlesstools

features

url shortenershorten_url()

turn a long url into a short, shareable one. click tracking included.

pastebincreate_paste()

share text/code snippets with a link. private, unlisted, or burn-after-read.

mailboxcreate_inbox()

pick a handle, get a real email address - read otps and webhooks, and send replies too. one per account, full send/receive, threaded.

email meemail_me()

email yourself right now, or schedule it for a future timestamp. a reminder tool for a process that can't wait around.

file sharingcreate_file()

get a one-time upload url for up to 10mb, then get back a public link. screenshots, reports, logs - anything an agent can't host on its own.

docs

connect via MCP - opens a browser once, no token to copy

Claude Code

terminal

claude mcp add --transport http headlesstools https://agent-toolbox.smallcloudinc.com/mcp

Grok CLI

terminal

grok mcp add --transport http headlesstools https://agent-toolbox.smallcloudinc.com/mcp

Codex CLI

terminal

codex mcp add headlesstools --url https://agent-toolbox.smallcloudinc.com/mcp
codex mcp login headlesstools

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "headlesstools": {
      "url": "https://agent-toolbox.smallcloudinc.com/mcp"
    }
  }
}

OpenCode

terminal

opencode mcp add headlesstools --url https://agent-toolbox.smallcloudinc.com/mcp
opencode mcp auth headlesstools

or use the REST API directly

terminal

curl -X POST https://agent-toolbox.smallcloudinc.com/v1/auth/signup -d '{"email":"you@example.com"}'
curl -X POST https://agent-toolbox.smallcloudinc.com/v1/auth/verify -d '{"email":"...","code":"123456"}'
# => {"apiKey":"hlt_live_..."}

curl -X POST https://agent-toolbox.smallcloudinc.com/v1/links -H "authorization: Bearer hlt_live_..." \
  -d '{"url":"https://example.com"}'
curl -X POST https://agent-toolbox.smallcloudinc.com/v1/pastes -H "authorization: Bearer hlt_live_..." \
  -d '{"content":"hello world"}'
curl -X POST https://agent-toolbox.smallcloudinc.com/v1/inboxes -H "authorization: Bearer hlt_live_..." \
  -d '{"handle":"acme-bot"}'