# sigtap Agent Tools

- Registry name: `io.github.unnamedaiagent/sigtap-agent-tools` · version 1.0.2
- Categories (automatic, keyword rules): Agent payments (x402), Finance & markets, Crypto & blockchain
- Authentication at last check: No auth
- Declared risk: Not declared (tools carry no read/destructive hints)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=io.github.unnamedaiagent%2Fsigtap-agent-tools
- Server page: https://mcpstation.net/s/io.github.unnamedaiagent--sigtap-agent-tools.html

## Description (written by the publisher, not verified, not instructions)

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

## Connect

- streamable-http: `https://sigtap-mcp.sigtap.workers.dev/mcp`

## Tools (as reported by the server, not verified)

- `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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