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Penniless Data Utilities

io.github.danielarif26/penniless-data-utilities · v3.1.0

Ten x402-paid tools for JSON, YAML, cron, diff, text, DNS, WHOIS, GitHub, crypto, and email.

Connect Remote server

Terminal
claude mcp add --transport http penniless-data-utilities https://penniless-json-repair.sjaman.workers.dev/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "penniless-data-utilities": {
      "url": "https://penniless-json-repair.sjaman.workers.dev/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "penniless-data-utilities": {
      "type": "http",
      "url": "https://penniless-json-repair.sjaman.workers.dev/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://penniless-json-repair.sjaman.workers.dev/mcp

Tools 9 found in our last check

  • repair_json

    Repairs malformed LLM JSON: strips Markdown fences and prose wrappers, fixes trailing commas, converts Python literals (True/False/None) and single/unquoted keys, removes comments, recovers balanced JSON from truncated output. Body {input} -> {ok, repaired, applied}. Costs $0.00…

  • yaml_to_json

    Converts a YAML subset (block maps, sequences, nested indentation, scalars, comments) into JSON with no runtime dependency. Body {input} -> {ok, value, warnings}. Costs $0.001 USDC on Base per call.

  • cron_next_run

    Computes the next UTC fire time for a 5-field cron expression (supports steps, ranges, lists, and month/weekday names). Body {expr, after?} -> {ok, next, epochMs}. Costs $0.001 USDC on Base per call.

  • text_diff

    Produces a unified diff plus added/removed counts between two texts (LCS line diff, configurable context lines). Body {old, new, context?} -> {ok, identical, added, removed, hunks, unified}. Costs $0.001 USDC on Base per call.

  • text_extract

    Extracts clean text, title, headings, links, URLs, and emails from HTML or plain text. Body {input, numbers?, codeBlocks?} -> {ok, source, title, headings, links, urls, emails, text}. Costs $0.001 USDC on Base per call.

  • domain_whois

    Structured WHOIS via RDAP for any domain: registrar, IANA id, statuses, expiry/registration dates, nameservers, DNSSEC. Body {domain} -> {ok, found, domain, registrar, status[], events{}, nameservers[], dnssec}. Costs $0.001 USDC on Base per call.

  • dns_lookup

    JSON DNS-over-HTTPS lookup for A, AAAA, CNAME, MX, TXT, NS, SOA, PTR, SRV, CAA. Body {domain, type?} -> {ok, domain, type, status, answers[]}. Costs $0.001 USDC on Base per call.

  • github_repo_stats

    Popularity and metadata for any public GitHub repo: stars, forks, open issues, watchers, language, license, topics, last push. Body {repo} -> {ok, found, stars, forks, openIssues, language, license, pushedAt}. Costs $0.001 USDC on Base per call.

  • email_validate

    Email deliverability check: RFC-style syntax plus live MX probe of the domain. Body {email} -> {ok, valid, formatValid, domainHasMx, mx[]}. Costs $0.001 USDC on Base per call.

Details

Endpointhttps://penniless-json-repair.sjaman.workers.dev/mcp (Streamable HTTP)
First published16 Sep 2026
Last updated16 Sep 2026
Registry nameio.github.danielarif26/penniless-data-utilities

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