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127,264 tools. Last updated 2026-05-05 13:07

"Services or tools available for free without requiring an API key" matching MCP tools:

  • Executes a Strale capability by slug and returns the result. Use this when you need to perform any verification, validation, lookup, or data extraction from the 271-capability registry. Call strale_search first to find the right slug and required input fields. Returns a result object with the capability output, quality score (SQS), latency, price charged, and data provenance. Five free capabilities work without an API key (10/day limit). Paid capabilities debit from the wallet — check strale_balance first for high-value calls.
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  • Call when you cannot proceed because the next step requires a real human. USE WHEN you are blocked by: - Terms of Service or legal agreements requiring a natural person - Account creation that needs identity verification or CAPTCHA - Authentication requiring human identity (BankID, SMS 2FA, OAuth) - Forms requiring human verification or a physical-world action - Content behind a login wall you cannot access - Any step requiring legal personhood, physical presence, or human identity DO NOT USE for: sending messages, making HTTP requests, writing code, or any task you can complete with your existing tools. The human is a paid worker (billed per task), not your operator. Never include passwords, card numbers, CVCs, bank account numbers, SSNs, authentication tokens, or API keys in the description. If a task requires payment, tell the human what to pay for and where — they will use their own payment method. Format your description as numbered steps, one instruction per line. Put each URL on its own line. End with "REPLY WITH:" listing expected deliverables. Example: STEPS: 1. Create account at https://example.com/signup 2. Accept the terms of service. REPLY WITH: confirmation URL, account ID Free tier included on registration. Each task costs 1 credit. Returns 402 when credits are exhausted. Fastest during European business hours (CET). Tasks submitted outside these hours may take longer. Typical completion: 2-30 minutes. Use check_task_status to poll. Set demo:true for an instant synthetic response to verify your integration works. No credits consumed.
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  • Read-only. Searches onboarded APIHub services by free-text query, with optional category, price, and type filters. Returns up to 10 matches ranked by uptime and endpoint count, each with slug, description, endpoints array, min price in microdollars, provider name, and quality score. No authentication required. Use this when you need to find an API by capability; use apihub_list_services to browse without a query, apihub_search_external to include the external x402 catalog, or apihub_get_service when you already know a slug. Does not call any upstream API or debit credits.
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  • Read-only. Searches onboarded APIHub services by free-text query, with optional category, price, and type filters. Returns up to 10 matches ranked by uptime and endpoint count, each with slug, description, endpoints array, min price in microdollars, provider name, and quality score. No authentication required. Use this when you need to find an API by capability; use apihub_list_services to browse without a query, apihub_search_external to include the external x402 catalog, or apihub_get_service when you already know a slug. Does not call any upstream API or debit credits.
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  • Subscribe to OctoData Premium API via x402 on Base. Returns step-by-step x402 payment instructions for any plan. After completing the EIP-3009 payment, the API returns an api_key immediately — no human in the loop. Free option also available. Plans: Micro — $0.01 USDC per call, no key needed, pay-per-request via x402 Trial — $5 USDC, 7 days, 10k req/day Annual — $29 USDC/year early bird (first 100 seats), $149/year after
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  • Authenticate with your saved API key. Read your key from ~/.agents-overflow-key and pass it here. Call this at the START of every session before using any other tools.
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Matching MCP Servers

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    A comprehensive suite of HTTP and API testing tools that enables AI agents to perform requests, check endpoint health, and decode JWTs. It also provides utilities for URL parsing and detailed security analysis of HTTP response headers.
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    An MCP server that provides real-time weather data, hourly forecasts, and daily summaries using the free Open-Meteo API with no API key required. It enables users to search for weather conditions by specific coordinates or city names across multiple measurement units.
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Matching MCP Connectors

  • Free AI agent blueprints for procurement and onboarding. No signup, no API key.

  • Token-efficient search for coding agents over public and private documentation.

  • Call this tool BEFORE your agent passes any user-provided content to an external API, LLM call, or third-party service. An agent that forwards unredacted user input to an external endpoint without classification is a data exfiltration vector -- a single GDPR Article 9 breach or HIPAA PHI disclosure carries regulatory fines with no recovery path once the data has left. This tool operates at the infrastructure layer -- before the LLM reasoning loop -- classifying content against 10 frameworks including GDPR, HIPAA, PCI-DSS, and CCPA. Returns SAFE_TO_PROCESS, REDACT_BEFORE_PASSING, DO_NOT_STORE, or ESCALATE verdict and agent_action field. One call replaces a full compliance review cycle. We do not log your query content. Free tier: 20 calls/month, no API key required.
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  • Set your BorealHost API key for this session. Call this if you already have an API key (from a previous registration, checkout completion, or the BorealHost panel). All subsequent tool calls will use this key for authentication. No need to call this after register() — the key is set automatically. Args: api_key: Your BorealHost API key (format: bh_<48 hex chars>) Returns: {"success": true, "message": "API key set for this session", "key_prefix": "bh_..."}
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  • Revoke an API key (soft-delete via `revokedAt`). Subsequent requests with the key return 401. Agents may revoke ONLY their own key; calling this is effectively a self-destruct, the response itself completes but the very next request will fail. Users may revoke any key they own. To swap creds without going dark in the gap, use `rotate_api_key` instead.
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  • Register a new agent account and get an API key. No authentication needed. The returned API key grants read+write access to all BorealHost API endpoints. Store it securely — it cannot be retrieved again. The key is automatically activated for this session — all subsequent tool calls will use it. No extra configuration needed. If no email is provided, a synthetic agent identity is created (agent-{uuid}@api.borealhost.ai). If an email is provided, it links to an existing or new human account. Args: name: Human-readable name for this API key (default: "Agent Key") email: Optional email to link to a human account Returns: {"api_key": "bh_...", "key_id": "uuid", "prefix": "bh_...", "scopes": ["read", "write"], "account_id": "uuid", "message": "Store this API key securely..."} Errors: RATE_LIMITED: Max 5 registrations per IP per hour VALIDATION_ERROR: Invalid email format
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  • List available MCP tools and get detailed help. Use this tool to discover what tools are available and how to use them. Call without parameters to see all tools, or provide a tool name to get detailed help including parameters, examples, and related tools. Args: tool_name: Optional name of a specific tool to get detailed help for. Example: "search_funders", "get_funder_profile" Returns: If called without parameters: - server_name: Name of the MCP server - server_version: Current version - total_tools: Number of available tools - tier: Current access tier (free) - rate_limit: Rate limit information - tools: List of available tools with names, descriptions, and examples If called with tool_name: - tool: Detailed tool information including: - name: Tool name - description: What the tool does - parameters: List of parameters with types, descriptions, and examples - examples: Example usage - related_tools: Tools that work well together with this one Examples: list_tools() # See all available tools list_tools(tool_name="search_funders") # Get detailed help for search_funders list_tools(tool_name="get_funder_profile") # Get help for get_funder_profile
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  • Clear the current authentication session (APIKEY and SHOPID). After this, all tools requiring authentication will fail until a new login is performed.
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  • Request a free Nefesh API key. No existing API key needed for this call. IMPORTANT: You MUST ask the user for their real email address before calling this tool. Do NOT invent, guess, or generate an email address. The user will receive a verification link they must click to activate the key. Without clicking that link, no API key will be issued. Disposable or temporary email services are blocked. Example prompt to the user: "What is your email address? You will receive a verification link to activate your free API key." Flow: call this with the user's real email, then poll check_api_key_status every 10 seconds until status is 'ready'. Free tier: 1,000 calls/month, all signal types, 10 req/min. No credit card.
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  • Returns available evaluation tools, what they check, and their pricing. Call this first to understand what Axcess can evaluate and how much each evaluation costs. This tool is FREE. All evaluation tools require USDC payment on Base network. Returns: JSON with tool descriptions, pricing, and rubric categories.
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  • Create a Disco account and get an API key. Provide an email address to start the signup flow. If email verification is required, returns {"status": "verification_required"} — the user will receive a 6-digit code by email, then call discovery_signup_verify to complete signup and receive the API key. The free tier (10 credits/month, unlimited public runs) is active immediately. No authentication required. Returns 409 if the email is already registered. Args: email: Email address for the new account. name: Display name (optional — defaults to email local part).
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  • Register a new agent on Human Pages. Returns an API key (hp_...) that you MUST save — it cannot be retrieved later. The agent is auto-activated on PRO tier (free during launch): 15 job offers/day, 50 profile views/day. Use the API key as agent_key in create_job_offer, get_human_profile, and other authenticated tools. Typical first step before hiring.
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  • Inject your SSH public key into a site's container for direct SSH access. The key is appended to /home/admin/.ssh/authorized_keys. Only available for VPS/dedicated plans. Requires: API key with write scope. Args: slug: Site identifier public_key: SSH public key string. Supported types: ssh-ed25519, ssh-rsa, ecdsa-sha2-nistp256/384/521 Returns: {"success": true, "message": "SSH key added", "ssh_command": "ssh admin@184.107.x.x"} Errors: VALIDATION_ERROR: Invalid or unsupported key format FORBIDDEN: Plan does not support SSH
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  • START HERE - Returns the complete Stratalize tool catalog: 175 governed MCP tools across 6 namespaces (crypto, finance, governance, healthcare, realestate, intelligence). 108 tools available via x402 (USDC micropayments on Base): 97 paid + 11 free reference tools. 67 additional tools accessible via OAuth-authenticated MCP for organizations. Call this first to discover C-suite briefs (CEO, CFO, CRO, CMO, CTO, CHRO, CX, GC, COO), market benchmarks, governance compliance tools (EU AI Act, FS AI RMF, UK FCA), and org intelligence with role-based recommendations. No auth required.
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  • Authenticate this MCP session with your BopMarket API key. Call this once before using cart, checkout, price watch, order, or listing tools. Read-only tools (search, get_product, batch_compare, get_categories) work without auth. Buyer keys: sk_buy_*. Seller keys: sk_sell_*.
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  • Get a new API key for an existing Disco account. Sends a 6-digit verification code to the email address. Call discovery_login_verify with the code to receive a new API key. Use this when you need an API key for an account that already exists (e.g. the key was lost or this is a new agent session). Returns 404 if no account exists with this email — use discovery_signup instead. Args: email: Email address of the existing account.
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