OpenClaw MCP Servers

49 tools across 9 servers on Cloudflare Workers. Streamable HTTP transport — connect in seconds.

Free: 3 calls/tool/day | x402: $0.05/call USDC on Base | Pro: $9 one-time

🆓 Free 7-Day Pro Trial

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No credit card required. After trial: $9 one-time for 1000 calls/day.

Install in Cursor (One Click)

Click any badge to install directly into Cursor:

Server	Install	Tools
JSON Toolkit		6
Regex Engine		5
Color Palette		5
Timestamp Converter		5
Prompt Enhancer		6
Market Intelligence		6
Fortune & Tarot		3
Content Publisher		8
AI Tool Compare		5

Also available on Smithery — install via npx @smithery/cli install

Quick Connect

Copy this JSON into your MCP client config:

{
  "mcpServers": {
    "openclaw-json": {
      "url": "https://json-toolkit-mcp.yagami8095.workers.dev/mcp?ref=github"
    },
    "openclaw-regex": {
      "url": "https://regex-engine-mcp.yagami8095.workers.dev/mcp?ref=github"
    },
    "openclaw-colors": {
      "url": "https://color-palette-mcp.yagami8095.workers.dev/mcp?ref=github"
    },
    "openclaw-timestamp": {
      "url": "https://timestamp-converter-mcp.yagami8095.workers.dev/mcp?ref=github"
    },
    "openclaw-prompt": {
      "url": "https://prompt-enhancer-mcp.yagami8095.workers.dev/mcp?ref=github"
    },
    "openclaw-intel": {
      "url": "https://openclaw-intel-mcp.yagami8095.workers.dev/mcp?ref=github"
    },
    "openclaw-fortune": {
      "url": "https://openclaw-fortune-mcp.yagami8095.workers.dev/mcp?ref=github"
    },
    "openclaw-moltbook": {
      "url": "https://moltbook-publisher-mcp.yagami8095.workers.dev/mcp?ref=github"
    },
    "openclaw-agentforge": {
      "url": "https://agentforge-compare-mcp.yagami8095.workers.dev/mcp?ref=github"
    }
  }
}

Or use npm:

npx openclaw-mcp-servers --config

Where to paste

Client	Config file
Claude Code	`~/.claude.json` or `.mcp.json`
Cursor	`.cursor/mcp.json`
Windsurf	`.windsurf/mcp.json`
Cline	VS Code MCP settings
Any MCP client	Streamable HTTP transport

Servers & Tools

openclaw-json — JSON Toolkit (6 tools)

https://json-toolkit-mcp.yagami8095.workers.dev/mcp?ref=github

Tool	Description
`json_format`	Pretty-print or minify JSON. Specify indent level or set minify=true.
`json_validate`	Validate JSON string. Returns type info on success, line/column/error on failure.
`json_diff`	Compare two JSON values. Returns added, removed, and changed paths.
`json_query`	Query JSON with JSONPath. Supports dot notation, wildcards, deep scan, filters.
`json_transform`	Flatten, unflatten, pick, omit, rename keys. Supports deep recursive operations.
`json_schema_generate`	Generate JSON Schema (draft-07) from sample data. Infers types, formats, required fields.

openclaw-regex — Regex Engine (5 tools)

https://regex-engine-mcp.yagami8095.workers.dev/mcp?ref=github

Tool	Description
`regex_test`	Test pattern against text. Returns matches, positions, capture groups.
`regex_explain`	Explain regex token-by-token in plain English.
`regex_build`	Build regex from natural language. 25+ built-in patterns (email, URL, IP, phone, date, UUID, JWT, etc).
`regex_replace`	Find-and-replace with regex. Supports backreferences ($1, $2).
`regex_extract`	Extract all matches with named capture group support.

openclaw-colors — Color Palette (5 tools)

https://color-palette-mcp.yagami8095.workers.dev/mcp?ref=github

Tool	Description
`generate_palette`	Generate harmonious palette by color theory. Complementary, analogous, triadic, etc.
`contrast_check`	WCAG 2.1 contrast ratio check. AA/AAA pass/fail for normal and large text.
`color_convert`	Convert between hex, rgb, hsl, CSS named colors (140 names).
`css_gradient`	Generate CSS gradient code. Linear, radial, conic from color array.
`tailwind_colors`	Lookup Tailwind v3 colors. All shades (50-950) or find nearest match.

openclaw-timestamp — Timestamp Converter (5 tools)

https://timestamp-converter-mcp.yagami8095.workers.dev/mcp?ref=github

Tool	Description
`convert_timestamp`	Convert between unix epoch, ISO 8601, human-readable, relative. Auto-detects input.
`timezone_convert`	Convert datetime between timezones. show_all=true for 7 zones simultaneously.
`parse_cron`	Parse 5-field cron expression. Human description + next 5 run times.
`time_diff`	Calculate difference between two datetimes in seconds/minutes/hours/days/weeks.
`format_duration`	Convert between seconds, human string ("2h 30m"), ISO 8601 duration ("PT2H30M").

openclaw-prompt — Prompt Enhancer (6 tools)

https://prompt-enhancer-mcp.yagami8095.workers.dev/mcp?ref=github

Tool	Description
`enhance_prompt`	Optimize a prompt with clearer instructions, structure, constraints. FREE.
`analyze_prompt`	Quality analysis: clarity score, specificity, issues, suggestions. FREE.
`convert_prompt_format`	Convert between plain, xml, markdown, json formats. FREE.
`generate_system_prompt`	Generate system prompt for a given role and task. FREE.
`prompt_template_library`	Browse 30+ production-ready templates by category. PRO.
`purchase_pro_key`	Get Pro API key ($9). Unlocks templates + higher limits.

openclaw-intel — AI Market Intelligence (6 tools)

https://openclaw-intel-mcp.yagami8095.workers.dev/mcp?ref=github

Tool	Description
`get_ai_market_report`	Latest AI agent market report. GitHub stars, releases, growth trends.
`get_report_by_id`	Specific report by ID. Pro key for full content.
`list_reports`	List available reports with titles and dates.
`get_market_stats`	Real-time ecosystem stats: users, reports, data freshness.
`purchase_api_key`	Purchase Pro key ($9) for full reports + 1000 calls/day.
`validate_api_key`	Check API key validity and remaining quota.

openclaw-fortune — Fortune & Tarot (3 tools)

https://openclaw-fortune-mcp.yagami8095.workers.dev/mcp?ref=github

Tool	Description
`get_daily_fortune`	Daily horoscope + tarot for a zodiac sign. Scores, lucky items, message.
`get_fortune_ranking`	Today's zodiac ranking 1st-12th with scores and tiers.
`get_all_fortunes`	Complete data for all 12 signs.

openclaw-moltbook — Content Publisher (8 tools)

https://moltbook-publisher-mcp.yagami8095.workers.dev/mcp?ref=github

Tool	Description
`convert_markdown_to_html`	Markdown to HTML for note.com, Zenn, Qiita.
`optimize_for_seo`	SEO analysis for Japanese article content.
`translate_en_to_jp`	English to natural Japanese translation.
`generate_article_outline`	Structured article outline from topic.
`get_trending_topics`	[PRO] Trending topics on note.com/Zenn/Qiita.
`cross_post_format`	[PRO] Format article for all 3 platforms.
`analyze_article_performance`	[PRO] Predict article performance before publishing.
`purchase_pro_key`	Get Pro key ($12/month).

openclaw-agentforge — AI Tool Comparison (5 tools)

https://agentforge-compare-mcp.yagami8095.workers.dev/mcp?ref=github

Tool	Description
`compare_ai_tools`	Compare 2+ AI coding tools side-by-side. Claude Code, Cursor, Windsurf, Devin, etc.
`get_tool_profile`	Detailed profile: features, pricing, strengths, weaknesses, use cases.
`recommend_tool`	[PRO] AI-powered recommendation based on your requirements.
`get_pricing_comparison`	Complete pricing table for all AI coding tools. FREE.
`purchase_pro_key`	Get Pro key ($9) for full comparisons + AI recommendations.

Pricing

Tier	Cost	Limit
Free	$0	3 calls/tool/day per IP
x402	$0.05/call	USDC on Base L2 — automatic, no signup
Pro	$9 one-time	1000 calls/day across all 9 servers

x402 Flow

When you exceed the free tier, the server returns:

HTTP/1.1 402 Payment Required
X-Payment: required
X-Payment-Network: base
X-Payment-Amount: 0.05
X-Payment-Currency: USDC
X-Payment-Address: 0x72aa56DAe3819c75C545c57778cc404092d60731

x402-compatible agents (using @x402/fetch) automatically pay and retry.

npm Package

npm install openclaw-mcp-servers

const openclaw = require('openclaw-mcp-servers');

// Get config JSON for your MCP client
console.log(JSON.stringify(openclaw.config(), null, 2));

// Access server metadata
console.log(openclaw.servers);       // All 9 servers
console.log(openclaw.totalTools);    // 49
console.log(openclaw.x402);          // Payment info

CLI:

npx openclaw-mcp-servers --config    # MCP config JSON
npx openclaw-mcp-servers --list      # All 49 tools
npx openclaw-mcp-servers --servers   # 9 endpoint URLs
npx openclaw-mcp-servers --x402      # Payment info

Architecture

All servers run on Cloudflare Workers with Streamable HTTP transport (MCP spec 2025-03-26). Rate limiting via Cloudflare KV. x402 compliant (HTTP 402 + payment headers).

License

MIT

Built by OpenClaw Intelligence

OpenClaw MCP Ecosystem