Penniless Data Utilities
Ten x402-paid tools for JSON, YAML, cron, diff, text, DNS, WHOIS, GitHub, crypto, and email.
我該用這個嗎
品質與安全性
根據工具定義與協定合規性的自動化分析。
上下文成本
這是每次將伺服器的工具載入模型上下文時所消耗的約略 token 數量。數量越高，可用於其他工作的注意力就越少。
安裝
一鍵安裝
將以下內容加入你的 `claude_desktop_config.json` 檔案：
{
"mcpServers": {
"penniless-data-utilities": {
"url": "https://penniless-json-repair.sjaman.workers.dev/mcp"
}
}
}遠端端點
https://penniless-json-repair.sjaman.workers.dev/mcpstreamable-http它能做什麼
工具清單
工具（9）
⚪repair_json(input)
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 $0.001 USDC on Base per call.
輸入結構描述
{
"type": "object",
"properties": {
"input": {
"type": "string",
"description": "Malformed JSON text"
}
},
"required": [
"input"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false
}輸出結構描述
{
"type": "object",
"properties": {
"ok": {
"type": "boolean"
}
},
"required": [
"ok"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": {}
}⚪yaml_to_json(input)
Converts a YAML subset (block maps, sequences, nested indentation, scalars, comments) into JSON with no runtime dependency. Body {input} -> {ok, value, warnings}. Costs $0.001 USDC on Base per call.
輸入結構描述
{
"type": "object",
"properties": {
"input": {
"type": "string",
"description": "YAML document text"
}
},
"required": [
"input"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false
}輸出結構描述
{
"type": "object",
"properties": {
"ok": {
"type": "boolean"
}
},
"required": [
"ok"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": {}
}⚪cron_next_run(expr, after)
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 $0.001 USDC on Base per call.
輸入結構描述
{
"type": "object",
"properties": {
"expr": {
"type": "string",
"description": "5-field cron expression"
},
"after": {
"type": "string",
"description": "ISO timestamp to search after (default now)"
}
},
"required": [
"expr"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false
}輸出結構描述
{
"type": "object",
"properties": {
"ok": {
"type": "boolean"
}
},
"required": [
"ok"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": {}
}⚪text_diff(old, new, context)
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 $0.001 USDC on Base per call.
輸入結構描述
{
"type": "object",
"properties": {
"old": {
"type": "string",
"description": "Original text"
},
"new": {
"type": "string",
"description": "Changed text"
},
"context": {
"type": "number",
"description": "Context lines per hunk (default 3)"
}
},
"required": [
"old",
"new"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false
}輸出結構描述
{
"type": "object",
"properties": {
"ok": {
"type": "boolean"
}
},
"required": [
"ok"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": {}
}🟢text_extract(input, numbers, codeBlocks)
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 $0.001 USDC on Base per call.
輸入結構描述
{
"type": "object",
"properties": {
"input": {
"type": "string",
"description": "HTML or plain text"
},
"numbers": {
"type": "boolean",
"description": "Keep numeric strings in text output"
},
"codeBlocks": {
"type": "boolean",
"description": "Keep pre/code blocks"
}
},
"required": [
"input"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false
}輸出結構描述
{
"type": "object",
"properties": {
"ok": {
"type": "boolean"
}
},
"required": [
"ok"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": {}
}⚪domain_whois(domain)
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 $0.001 USDC on Base per call.
輸入結構描述
{
"type": "object",
"properties": {
"domain": {
"type": "string",
"description": "Domain name, no scheme"
}
},
"required": [
"domain"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false
}輸出結構描述
{
"type": "object",
"properties": {
"ok": {
"type": "boolean"
}
},
"required": [
"ok"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": {}
}⚪dns_lookup(domain, type)
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 $0.001 USDC on Base per call.
輸入結構描述
{
"type": "object",
"properties": {
"domain": {
"type": "string",
"description": "Hostname to resolve"
},
"type": {
"type": "string",
"enum": [
"A",
"AAAA",
"CNAME",
"MX",
"TXT",
"NS",
"SOA",
"PTR",
"SRV",
"CAA"
],
"description": "Record type (default A)"
}
},
"required": [
"domain"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false
}輸出結構描述
{
"type": "object",
"properties": {
"ok": {
"type": "boolean"
}
},
"required": [
"ok"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": {}
}⚪github_repo_stats(repo)
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 $0.001 USDC on Base per call.
輸入結構描述
{
"type": "object",
"properties": {
"repo": {
"type": "string",
"description": "owner/name"
}
},
"required": [
"repo"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false
}輸出結構描述
{
"type": "object",
"properties": {
"ok": {
"type": "boolean"
}
},
"required": [
"ok"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": {}
}⚪email_validate(email)
Email deliverability check: RFC-style syntax plus live MX probe of the domain. Body {email} -> {ok, valid, formatValid, domainHasMx, mx[]}. Costs $0.001 USDC on Base per call.
輸入結構描述
{
"type": "object",
"properties": {
"email": {
"type": "string",
"description": "Email address"
}
},
"required": [
"email"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": false
}輸出結構描述
{
"type": "object",
"properties": {
"ok": {
"type": "boolean"
}
},
"required": [
"ok"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"additionalProperties": {}
}社群
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