"Free APIs and services without commercial fees" matching MCP tools:

• get_provider_detail

  GPH Intelligence - Healthcare Vendor Finder

  Get the full profile of one healthcare vendor by slug. Use this after match_practice or search_providers when the user asks to "tell me more about [vendor]", "what services does [vendor] offer", "is [vendor] verified", or wants contact info, services, reviews, or listing tier for a specific provider. Returns company_name, category (plus super_category grouping), description, services_tags (comma-delimited services offered), website, phone, city/state, quality_score (0-100), verified status, listing tier (free/paid), practice_size_fit, and reviews (review_count, average_rating). Slug comes from match_practice or search_providers results; returns an error if the slug is unknown.

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• apihub_search

  APIHub

  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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• apihub_search

  mcp-server

  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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• compute_combined_services_trench

  civilquants

  Paid tier only. Calling this without an authenticated CivilQuants account returns TIER_INSUFFICIENT — sign up at https://civilquants.com/pricing or use the free-tier alternative compute_manhole. Shared utility trench carrying multiple services side by side, each at its own cover depth (water, gas, electricity, telecoms) per NJUG Volume 1. One excavation envelope sized from the services, one disposal, one backfill column, with per-service lane-width bedding, surround, pipe/duct, and warning tape. Renders through CESMM4 Class I, NRM2 Group 41, MMHW Series 1300 and SMM7 Group T for the services, with the shared envelope routing through the existing earthworks/drainage handlers. Example params: trench_length_m=50 m (1–2000), service_spacing_mm=100 mm (50–500), working_space_below_bed_mm=100 mm (0–500). Example call: {"params": {"trench_length_m": 50, "service_spacing_mm": 100, "working_space_below_bed_mm": 100}, "standard": "MMHW"}. Omitted parameters use sensible engineering defaults. Pass deliverables=["xlsx","dxf","pdf"] (any subset) to also receive one-shot download URLs in the same call: Excel BoQ (both tiers, watermarked free) plus the dimensioned DXF (CAD) and PDF drawing sheets (paid tier).

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• excalibur_get_patron_onboarding_status

  excalibur-mcp

  Report a patron's credential readiness for this operator. For set-once services (eXcalibur, TheBrain), shows which patron secrets are configured and which are missing. For dynamic/OAuth2 services (Schwab), reports that no patron credentials are needed. Free. Proof of npub ownership is required because credential presence is sensitive information about the patron's setup. Args: patron_npub: The patron's Nostr public key (npub1...). dpop_token: A kind-27235 Nostr event signed by patron_npub for this tool.

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• shippingrates_local_charges

  FreightGate MCP Server

  Get local charges at a port for a specific carrier — Terminal Handling Charges (THC), documentation fees (BL/DO), seal fees, and other port-specific charges. Use this when calculating total shipping costs at origin or destination. Combine with shippingrates_dd_calculate for a complete port cost picture, or use shippingrates_total_cost for an all-in-one landed cost estimate. PAID: $0.05/call via x402 (USDC on Base or Solana). Without payment, returns 402 with payment instructions. Returns: Array of { charge_type, charge_name, amount, currency, container_type, direction } for all applicable charges at the port.

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• get_spotter_carrier

  RTK Motion — Motion Capture, Biomechanics, and Threat Intelligence

  Full commercial-carrier sighting bundle for carrier_identity_verification, fleet_movement_corroboration, or cargo_fraud_investigation. Returns the structured sighting trail (USDOT, carrier, equipment, geo, timestamp) plus time-limited signed URLs to every de-identified truck crop (faces + bystander plates blurred). The subject truck's own plate remains visible in the crops; no plate interpretation is distributed in the records. Commercial carriers only — owner-operators excluded by disclosure policy. Pay $5 USDC on Base (chain 8453, USDC 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) to RTK wallet 0x6C11F8a21f7ca922F483Ed21C3b6c2d9B305B10C; pass tx hash as payment_tx. Eth/Solana: /.well-known/x402. Free evaluation: get_spotter_carrier_profile.

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• list_niches

  LocalPro — Verified US Local Service Provider Data

  List all available service directories in the LocalPro network. This is the starting point for discovering what categories of verified local service providers are available. Categories include water damage restoration, foundation repair, crawl space repair, basement waterproofing, mold/asbestos/lead remediation, radon mitigation, septic services, commercial electrical, floor coating, and laundry pickup & delivery. Returns niche IDs needed for all other tools.

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• list_sources

  Agentcy - Your AI Marketing Agent

  List available data sources and configured domains. Call this to discover which services and domains are available before querying. If exactly one domain exists, use it automatically without asking.

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• explain_recommendation

  Loppee

  Explain one published business's v3 class, exact disclosure, interaction-backed review-reputation band, recommendation order, and commercial reach without reconstructing or exposing a hidden grade or private reviewer weighting.

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• shippingrates_local_charges

  freightgate-mcp-server

  Get local charges at a port for a specific carrier — Terminal Handling Charges (THC), documentation fees (BL/DO), seal fees, and other port-specific charges. Use this when calculating total shipping costs at origin or destination. Combine with shippingrates_dd_calculate for a complete port cost picture, or use shippingrates_total_cost for an all-in-one landed cost estimate. PAID: $0.05/call via x402 (USDC on Base or Solana). Without payment, returns 402 with payment instructions. Returns: Array of { charge_type, charge_name, amount, currency, container_type, direction } for all applicable charges at the port.

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• get_border_delays

  supply-chain-intelligence

  Get real-time commercial border crossing wait times at US-Mexico and US-Canada ports of entry. Returns current delay in minutes for commercial vehicles, number of lanes open, and port status. Updated every 30 minutes from US Customs and Border Protection. Covers all major commercial crossings including Laredo, El Paso, Nogales, Otay Mesa, Detroit, Buffalo, and Blaine. Used by logistics companies, freight brokers, and trucking operations to route cross-border shipments through the fastest crossing points.

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• get_recommendations

  picoads

  Earn per recommendation served. Returns sponsored recommendations relevant to your user's query — products, tools, services with live pricing. Present alongside your organic answers, labeled 'Sponsored.' Free to call, no registration needed. Register to track and withdraw USDC earnings.

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• get_trademark_by_serial

  Trademarks

  Look up a US trademark by serial number. Returns status, owner, filing/registration dates, goods/services, and classification. Requires USPTO API key (free at account.uspto.gov).

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• get_platform_info

  Synmerco

  Get the full Synmerco surface in one call: 4 chains (Base, Arbitrum, Polygon, Optimism), fees, 50 MCP tools, all 6 supported protocols (A2A, MCP, REST, x402, ERC-8004, ERC-8183). Use this to teach your agent what Synmerco can do. Free, no auth required.

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• search_pairs

  agentic-payments

  Discover supported crypto, equity, FX, and metal symbols before using the paid HTTP API. Returns up to 50 catalog matches with asset class, available services, and pricing tier; it is free, read-only, and never returns live prices or starts payment.

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• x402_get_categories

  x402watch

  List all 33 x402 service categories with aggregate stats: services count, 24h volume, transaction count, real-volume %, and label distribution. Use this to understand the shape of the x402 ecosystem before drilling into specific services or wallets. Free tier. No payment required. Returns wash-filtered data using the same v2.0 algorithm as the paid endpoints.

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• x402_get_trends

  x402watch

  Get the last-24-hour trends snapshot: new services count vs the previous 24h, total transaction count, total USDC volume, active buyer count, daily new-services bar (14 days), recent new services (top 10), category volume movers, and hot services with traffic surges (>= 100 24h tx and >= +50% growth). Refreshed every 5 min. Free tier. No payment required. Returns wash-filtered data using the same v2.0 algorithm as the paid endpoints.

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• network_status

  Bitget MCP — Crypto, DeFi & Macro Market Intelligence

  On-chain public data (no API key): ETH gas prices, BTC recommended fees, mempool stats, and recent blocks.

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• development_appraisal

  property-finance-mcp

  Run a UK property development scheme viability appraisal. Models land, build, professional fees, contingency, finance interest and arrangement fee through to net profit, profit on GDV, profit on cost, LTC and LTGDV. Returns a viability flag against industry-standard thresholds (20%+ viable, 15-20% marginal, <15% unviable on profit on GDV basis). Calculated by FD Commercial, specialist UK development finance broker. Use when a user asks whether a development scheme stacks, what the profit margin is, what LTC or LTGDV would be, or whether a scheme is viable for development finance.

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