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

Quick Connect

Copy this JSON into your MCP client config:

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

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

| 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

| 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

| 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

| 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

| 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

| 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

| 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

| 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

| 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