Index / MCP servers / sigtap Agent Tools

sigtap Agent Tools MCP server

Connect sigtap Agent Tools and your agent gets 13 tools, among them catalog, crypto_price, deliverability_audit. It answers at https://sigtap-mcp.sigtap.workers.dev/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 6 of 6 times since 11 September 2026; the last check, on 24 October 2026, succeeded.

Status
Answering
Tools
13
Reliability
6 of 6 checks
Response time
526 ms
Transport
streamable HTTP
Last checked
24 October 2026

13 paid x402 tools, USDC/Base. Free check: GET /preview<path>=200 sample. Copy-paste pay: /llms.txt

Description as the publisher wrote it.

The 13 tools sigtap Agent Tools offers

ToolWhat it does
catalogList all 12 paid tools with live prices + free preview routes (FREE, no payment)
crypto_priceCoinbase spot/buy/sell price with spread percent Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/crypto-price = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.002 USDC
Inputs: from, to
deliverability_auditSPF/DKIM/DMARC deliverability audit for a sending domain Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/deliverability = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.003 U
Inputs: domain
domain_ageDomain registration date, age in days and registrar via RDAP Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/domain-age = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0
Inputs: domain
email_grade12-point cold email score with concrete fixes Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/grade = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.005 USDC on Base, x402)
Inputs: subject, body
email_templatePersonalized cold email from proven templates Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/template = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.01 USDC on Base, x402)
Inputs: persona, offer, name, company
hash_textSHA-256/384/512, hex, base64, base64url and CRC32 of a UTF-8 string Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/hash = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($
Inputs: text
json_toolsFlatten JSON to dot paths or convert rows to CSV Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/json = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.001 USDC on Base,
Inputs: data, mode
jwt_decodeDecode a JWT header+payload with safety flags (never verifies the signature) Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/jwt-decode = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settl
Inputs: token
regex_testRegex matches with groups, count and a backtracking-risk heuristic Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/regex = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($
Inputs: pattern, text, flags
slugifyUnicode-aware url-safe slug (latin + Cyrillic transliteration) Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/slug = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.001
Inputs: text, maxlength
uuid_batchBatch random IDs: UUIDv4, UUIDv7, ULID or nanoid Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/uuid = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.001 USDC on Base,
Inputs: count, version
weatherCurrent weather + next 3h temperatures (open-meteo) Free check: https://sigtap-outreach-api.sigtap.workers.dev/preview/tools/weather = 200 demo sample, no wallet. Paid call: 402 challenge -> sign -> retry = settled on-chain. ($0.001 USDC on
Inputs: lat, lon

Add sigtap Agent Tools to your AI client

Every block below points at https://sigtap-mcp.sigtap.workers.dev/mcp. Pick your client and copy.

Claude Code: one command in your terminal
claude mcp add --transport http sigtap-agent-tools https://sigtap-mcp.sigtap.workers.dev/mcp
Claude Desktop: claude_desktop_config.json
{
  "mcpServers": {
    "sigtap-agent-tools": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://sigtap-mcp.sigtap.workers.dev/mcp"]
    }
  }
}
Cursor: ~/.cursor/mcp.json, or .cursor/mcp.json in a project
{
  "mcpServers": {
    "sigtap-agent-tools": {
      "url": "https://sigtap-mcp.sigtap.workers.dev/mcp"
    }
  }
}
VS Code and GitHub Copilot: .vscode/mcp.json
{
  "servers": {
    "sigtap-agent-tools": {
      "type": "http",
      "url": "https://sigtap-mcp.sigtap.workers.dev/mcp"
    }
  }
}
Zed: Zed settings.json
{
  "context_servers": {
    "sigtap-agent-tools": {
      "url": "https://sigtap-mcp.sigtap.workers.dev/mcp"
    }
  }
}
Windsurf: ~/.codeium/mcp_config.json
{
  "mcpServers": {
    "sigtap-agent-tools": {
      "serverUrl": "https://sigtap-mcp.sigtap.workers.dev/mcp"
    }
  }
}
JetBrains AI Assistant: Settings, Tools, AI Assistant, MCP, New MCP Server, as JSON
{
  "mcpServers": {
    "sigtap-agent-tools": {
      "url": "https://sigtap-mcp.sigtap.workers.dev/mcp"
    }
  }
}
Continue: .continue/mcpServers/neuronto.yaml
name: sigtap Agent Tools
version: 0.0.1
schema: v1
mcpServers:
  - name: sigtap Agent Tools
    type: streamable-http
    url: https://sigtap-mcp.sigtap.workers.dev/mcp
Gemini CLI: ~/.gemini/settings.json
{
  "mcpServers": {
    "sigtap-agent-tools": {
      "httpUrl": "https://sigtap-mcp.sigtap.workers.dev/mcp"
    }
  }
}
Codex CLI: MCP server config
{
  "mcpServers": {
    "sigtap-agent-tools": {
      "type": "http",
      "url": "https://sigtap-mcp.sigtap.workers.dev/mcp"
    }
  }
}
Warp: MCP servers, + Add, paste JSON
{
  "mcpServers": {
    "sigtap-agent-tools": {
      "url": "https://sigtap-mcp.sigtap.workers.dev/mcp"
    }
  }
}
Goose: a one-click extension link
goose://extension?url=https%3A%2F%2Fsigtap-mcp.sigtap.workers.dev%2Fmcp&type=streamable_http&id=sigtap-agent-tools&name=sigtap%20Agent%20Tools

Is sigtap Agent Tools up right now?

It answered our last check on 24 October 2026 in 526 ms. Over 6 checks since 11 September 2026 it answered 6. Status here comes from Neuronto's own probes, not from the publisher.

MCP servers similar to sigtap Agent Tools

Questions about sigtap Agent Tools

How many tools does sigtap Agent Tools have?

13, as returned by the server's own tools/list on 22 September 2026: catalog, crypto_price, deliverability_audit, domain_age, email_grade, email_template, hash_text, json_tools, and 5 more.

Is sigtap Agent Tools down?

It answered our last check on 24 October 2026 in 526 ms. Over 6 checks since 11 September 2026 it answered 6.

How do I add sigtap Agent Tools to Cursor?

Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://sigtap-mcp.sigtap.workers.dev/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.

Does sigtap Agent Tools need an API key?

It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.

Where this comes from

Publisher: io.github.unnamedaiagent. Endpoint host: sigtap-mcp.sigtap.workers.dev. ARD identifier: urn:air:io.github.unnamedaiagent:mcp:sigtap-agent-tools. First indexed 10 September 2026. The tools are exactly what the server returned; nothing on this page is inferred from its name. Ranking in Neuronto search is never for sale.

Is this your server? Get a message the day it stops answering or its tools change: monitoring, 14 days free. Or claim the domain to manage how it is listed.