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692,474 tools. Updated 2026-10-23 18:44

"Free Graph and Network Visualization Tools (No API Key Required)" matching MCP tools:

  • oruk_create_trial_keyA

    oruk SpeechA

    Mint a real, temporary oruk API key with no account required: 3 requests, expires in 30 minutes, spends from a capped shared budget. Use this when no Authorization header is configured and the user wants to try transcription or tone analysis right now. Pass the returned key as the api_key argument of the audio tools. Share the signup link with the user so they can keep using oruk afterwards (7-day free trial on self-serve plans).
    ConnectorNo auth

  • snapforge_signupA

    SnapForgeA

    Create a free SnapForge account (100 renders, one-time free trial, not a monthly allowance) with just an email address and get the API key instantly. The key is bound to the current MCP session, so the screenshot/pdf/markdown tools work immediately after signup, no browser needed.
    ConnectorNo auth

  • snapforge_signupA

    snapforgeA

    Create a free SnapForge account (100 renders, one-time free trial, not a monthly allowance) with just an email address and get the API key instantly. The key is bound to the current MCP session, so the screenshot/pdf/markdown tools work immediately after signup, no browser needed.
    ConnectorNo auth

  • list_examplesA

    EpsilonA

    List runnable Epsilon integration examples (Python cron DCA, LangChain tools, Vercel AI SDK tools, Telegram bot). Fetch full source with get_example. No API key required.
    ConnectorAPI key

  • recommend_agent_toolA

    Agent Decision & Evidence Tools (MCP + x402)A

    FREE deterministic router over the published Agent Card. Describe the job and optional category, country, chain, price cap and available input names; receive one to three matching tools with exact catalog prices, required inputs and a safe workflow. It performs no model call, network lookup, payment or target-tool execution and never returns supplied secret values.
    ConnectorNo auth

  • payment_infoA

    Market Category BoosterA

    Return the x402 payment requirements for one categorization call. Meant for an agent that holds no API key: gives network, asset, recipient address and amount as JSON, so the payment authorization can be signed before calling `categorize_product`. Free of charge.
    ConnectorNo auth

Matching MCP Servers

  • Free Tools MCP

    RankOrg
    A
    license
    A
    quality
    C
    maintenance
    Provides 13 offline SEO and marketing tools to any MCP client, covering ad metric calculators, text and heading analysis, keyword density, and generators for meta tags, Open Graph, hreflang, schema markup, XML sitemaps, and robots.txt. Everything runs locally with no account, API key, or network calls.
    13
    8 npm
    MIT

Matching MCP Connectors

  • Free Agent Tools

    21 free no-auth tools: pitch roast, Kyushu discount, Japan visa fee, luggage, tax-free.

  • PromptBrake Free Tools

    Free AI test helpers: injection inputs, OWASP mapping, release plans, response and tool-call packs.

  • contextfetch_get_free_keyA

    ContextFetchA

    Get a free ContextFetch API key (no signup, no payment) with starter credits, for when the keyless daily limit runs out. One key per network, ever: keep the key it returns and use it as `Authorization: Bearer <key>`.
    ConnectorNo auth

  • x711_ping_for_updatesA

    x711A

    Canonical radio drop check + live network intel. Returns current radio drop code (if live), recent agent activity, new agents in last 24h, network stats, and flash news. THIS is the authoritative MCP tool for catching radio drops — poll regularly. Radio drops give $0.10 free credits to the first 10 agents — scarce by design, claim fast. Always free, no API key needed. Redeem at POST https://x711.io/api/radio-drop/redeem with X-API-Key. Primary funding: send USDC to your custodial wallet on Base — auto-credited in 60s, first deposit +25%.
    ConnectorNo auth

  • x711_ping_for_updatesA

    x711 — Universal Agent Gas StationB

    Canonical radio drop check + live network intel. Returns current radio drop code (if live), recent agent activity, new agents in last 24h, network stats, and flash news. THIS is the authoritative MCP tool for catching radio drops — poll regularly. Radio drops give $0.10 free credits to the first 10 agents — scarce by design, claim fast. Always free, no API key needed. Redeem at POST https://x711.io/api/radio-drop/redeem with X-API-Key. Primary funding: send USDC to your custodial wallet on Base — auto-credited in 60s, first deposit +25%.
    ConnectorNo auth

  • get_startedA

    VeriflyA

    Call this FIRST if you have no Verifly API key. Returns how Verifly works and how to get access with no human: pay-as-you-go email verification API, 100 free credits on self-registration, no monthly fee. No API key required to call this tool.
    ConnectorNo auth

  • get_startedA

    mcpA

    Onboard to the Quantustik API/MCP: anonymous access and quotas. No API key is needed — every tool is callable right now under an anonymous per-IP hourly cap. Returns the live keyless/free-key request quotas (pulled live from server config) plus the optional key-issuance URL and auth header format. Pure informational — no auth required to call it.
    ConnectorNo auth

  • describe_datasetA

    warn-act-layoffsA

    Free, no API key required. Describes the US WARN Act layoff dataset: what a WARN notice is, which states are covered, how many notices and workers, per-state freshness, known coverage gaps, the schema of a record, and how to obtain an API key. Returns no records. Call this before search_layoff_notices to decide whether the data is useful.
    ConnectorNo auth

  • list_capabilitiesA

    Apiguru Amazon DataA

    List every Apiguru endpoint with its price, required parameters and supported marketplaces, plus your current access mode, cache and session budget. Free: answers locally with no network request and no charge. Call this before paid tools if you need to plan.
    ConnectorNo auth

  • verify_registrationA

    PromptDNAB

    Step 2 of autonomous self-registration - no API key required. Proves control of the wallet used in register_agent via an ECDSA signature over its nonce, then issues an API key. Always free.
    ConnectorNo auth

  • quantdata_request_free_api_keyA

    quantdataA

    Request an email verification link for the user's real inbox. No key or free API entitlement is returned by this tool. Ask the user for their own address; never invent one. The owner must open the email and press the confirmation button before receiving a key. After verification, they can configure X-API-Key in this client. All two market-data tools share 10 successful calls per UTC day. No account, card or payment is required.
    ConnectorNo auth

  • find_free_ai_toolsA

    AI Tools DirectoryA

    Find AI tools with a free tier, optionally filtered by auto-extracted facts (no credit card required, has a free plan, API available on the free tier). Free-tier facts are auto-extracted and unverified.
    ConnectorNo auth

  • pipeline_prepareA

    AIMarket — live agent marketplaceA

    Validate a graph and return a signed quote and payment offers. No work or payment. Free steps require no wallet; paid steps require buyer wallet address. Use gas_mode=required to demand gas sponsorship or auto to prefer it. Inspect ready/blockers and gas_sponsorship. Sign offers LOCALLY, never provide a private key. Then call pipeline_invoke.
    ConnectorNo auth