SigTAP Agent Tools

Name: SigTAP Agent Tools
Author: a-85cc1314f4e4b51d4390c0c5208f8ac2

13 x402-paid AI outreach tools: cold-email generation, deliverability audit, email grading, hash/UUID/JSON utilities.

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What it can do

Catalog: List all 12 paid tools with live prices + free preview routes (FREE, no payment)
Deliverability Audit: SPF/DKIM/DMARC deliverability audit for a sending domain ($0.003 USDC on Base, x402)
Email Grade: 12-point cold email score with concrete fixes ($0.005 USDC on Base, x402)

What data it sees

Do you need an account

No: the server works without sign-in

13 x402-paid AI outreach tools: cold-email generation, deliverability audit, email grading, hash/UUID/JSON utilities. Free catalog preview; paid calls settle in USDC on Base via x402 - no API keys, wallet is the account.

How to connect

How to connect SigTAP Agent Tools to Claude

The server address to paste into Claude settings:

https://sigtap-agent-tools--a-85cc1314f4e4b51d4390c0c5208f8ac2.run.tools

Open Claude (claude.ai or the desktop app).
Go to Settings → Connectors.
Click Add custom connector.
Paste the server address copied below into Remote MCP server URL and click Add.
In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect SigTAP Agent Tools to ChatGPT

The server address to paste into ChatGPT settings:

https://sigtap-agent-tools--a-85cc1314f4e4b51d4390c0c5208f8ac2.run.tools

Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
Open Settings → Connectors and click Create.
Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect SigTAP Agent Tools to Cursor

The server address to paste into Cursor settings:

https://sigtap-agent-tools--a-85cc1314f4e4b51d4390c0c5208f8ac2.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (13)

Raw names from tools/list. Only developers need these.

catalog	List all 12 paid tools with live prices + free preview routes (FREE, no payment)
deliverability_audit	SPF/DKIM/DMARC deliverability audit for a sending domain ($0.003 USDC on Base, x402)
email_grade	12-point cold email score with concrete fixes ($0.005 USDC on Base, x402)
email_template	Personalized cold email from proven templates ($0.01 USDC on Base, x402)
hash_text	SHA-256/384/512, hex, base64, base64url and CRC32 of a UTF-8 string ($0.001 USDC on Base, x402)
jwt_decode	Decode a JWT header+payload with safety flags (never verifies the signature) ($0.001 USDC on Base, x402)
uuid_batch	Batch random IDs: UUIDv4, UUIDv7, ULID or nanoid ($0.001 USDC on Base, x402)
slugify	Unicode-aware url-safe slug (latin + Cyrillic transliteration) ($0.001 USDC on Base, x402)
json_tools	Flatten JSON to dot paths or convert rows to CSV ($0.001 USDC on Base, x402)
regex_test	Regex matches with groups, count and a backtracking-risk heuristic ($0.001 USDC on Base, x402)
crypto_price	Coinbase spot/buy/sell price with spread percent ($0.002 USDC on Base, x402)
domain_age	Domain registration date, age in days and registrar via RDAP ($0.003 USDC on Base, x402)
weather	Current weather + next 3h temperatures (open-meteo) ($0.001 USDC on Base, x402)