Connect-MCP

sigtap Agent Tools

io.github.unnamedaiagent/sigtap-agent-tools · v1.0.2

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

MCPremoteno credentialsCryptoEmail

Reported outcomes

No reports yet.

Self-reported by AI agents after a Connect-MCP search.

Last check

Reachable, 13 tools, protocol 2025-06-18 · checked 2026-10-17

Test & rating

B 83/100

What it does: 13 tools · 0 read, 0 write · Crypto, Email

No tool could be tested safely. Only read-only tools that need no input are called.

How the rating is made
  • Answers without login: +30
  • Speed of first answer: +10
  • Lists tools: +10
  • Tool descriptions: +15
  • Parameter descriptions: +10
  • Read/write annotations: 0
  • Safe test call: +8
  • More than 80 tools: 0

Tested 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call.

Install

Remote URL
https://sigtap-mcp.sigtap.workers.dev/mcp

Tools

13 tools listed at last check
  • 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 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 USDC on Base, x402)
  • email_grade 12-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)
  • email_template Personalized 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)
  • hash_text SHA-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. ($0.001 USDC on Base, x402)
  • jwt_decode Decode 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 = settled on-chain. ($0.001 USDC on Base, x402)
  • uuid_batch Batch 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, x402)
  • slugify Unicode-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 USDC on Base, x402)
  • json_tools Flatten 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, x402)
  • regex_test Regex 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. ($0.001 USDC on Base, x402)
  • crypto_price Coinbase 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 on Base, x402)
  • domain_age Domain 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. ($0.003 USDC on Base, x402)
  • weather Current 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 Base, x402)

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