Tollgate bronze

fetch_clean

Public URL -> clean readable text/markdown, title, links. No LLM, robots.txt respected, 10-min cache. Built for agent loops: cents per call.

• research agent reading sources before answering
• RAG ingestion of public docs
• monitoring agent diffing a page daily
• citation checker fetching the cited page

explain_tx

Transaction hash -> plain-English explanation, type, parties, value flows, contracts, fee, risk flags (JSON). Chains: Cardano, Ethereum, Base, Polygon, Arbitrum, Solana.

• wallet assistant explaining a user's history
• compliance agent triaging suspicious transfers
• support bot answering 'what did this tx do'
• trading agent verifying a swap executed as intended

review_contract

Smart-contract source (Solidity, Vyper, Move, Rust/Anchor, Aiken, Plutus) -> severity-ranked security pre-audit with cited lines. Not a formal audit.

• coding agent gating a deploy on a clean pre-audit
• DAO tooling summarising risk before a vote
• auditor triage before manual review
• hackathon judge scoring submissions

judge_output

Grade any agent output against a task, rubric and optional JSON schema: 0-100 score, accept/revise/reject, safety and citation checks.

• orchestrator accepting/rejecting sub-agent work
• CI gate on generated content
• marketplace dispute referee
• self-evaluation loop for autonomous agents

extract_structured

Unstructured text + your JSON Schema -> conforming JSON with nulls for absent values and notes on ambiguities.

• procurement agent normalising supplier quotes
• email to CRM record
• datasheet to spec table

email_check

Email address -> valid syntax, normalised form, domain has mail servers (MX/A), disposable-provider flag, role-account flag (info@, admin@), free-mail flag, and a deliverable_likely verdict. No SMTP probing, no mail sent. No LLM.

• signup agent rejecting throwaway addresses
• CRM agent cleaning a contact list
• outreach agent pre-checking before sending
• form-fill agent validating user input

pdf_extract

PDF (URL or base64, up to 20 MB / 200 pages) -> per-page text, detected headings, page count, metadata. No LLM. Digital PDFs only (no OCR). $0.02 per document incl. 5 pages, +$0.004 per extra page.

• RAG ingestion of PDF manuals
• invoice pipeline before extract_structured
• compliance agent reading filings
• batch conversion of reports to text

site_health

Domain or URL -> TLS certificate expiry/issuer, DNS records, security headers, robots.txt/sitemap presence, redirect chain, response time, and up to 50 internal links checked for 4xx/5xx. No LLM. Read-only.

• ops agent checking a client's site nightly
• SEO agent auditing before a report
• onboarding agent verifying a new domain
• monitor diffing header/TLS changes

table_profile

CSV/TSV text (URL or inline, up to 10 MB) -> inferred column types, null/empty rates, distinct counts, numeric min/max/mean, top values, duplicate-row count, delimiter and encoding detected. No LLM.

• ETL agent validating an upload before load
• analyst agent summarising an unknown dataset
• procurement agent checking supplier price lists
• QA gate on exported reports

token_risk

ERC-20 token contract address on Ethereum, Base, Polygon or Arbitrum -> risk score 0-100, verdict, and evidence: owner/renounced, upgradeable proxy, mint, pause, blacklist, fee and max-tx controls, trading switch, owner's share of supply. Read-only on-chain checks, no LLM.

• trading agent screening a token before a swap
• wallet agent warning a user about a token
• portfolio agent flagging risky holdings
• launch monitor scoring new Base tokens

wallet_profile

Wallet address -> native balance, transaction count, contract-or-wallet, and stablecoin plus up to 20 caller-chosen token balances. Ethereum, Base, Polygon, Arbitrum, Solana, Cardano. Read-only, no LLM.

• payments agent checking a counterparty can pay
• portfolio agent snapshotting holdings
• support agent looking up a user's wallet
• KYT pre-check before a transfer

Tollgate MCP server

Paid tools over MCP with x402 payment transport: email_check, explain_tx, extract_structured, fetch_clean, judge_output, pdf_extract, review_contract, site_health, table_profile, token_risk, wallet_profile, find_tools (free).

Tollgate agent card

A2A agent card with skills, prices and payment schemes.

Tollgate REST API

OpenAPI 3.1 for POST /v1/tools/{tool}; 402 negotiation for payment.

Tollgate llms.txt

Curated index: tools, prices, cost signals, use cases, how to pay.

Tollgate fetch_clean

Public URL -> clean readable text/markdown, title, links. No LLM, robots.txt respected, 10-min cache. Built for agent loops: cents per call. price $0.01 (USDC 0.01 / EURC 0.01 / ADA 2); ~0 tokens; p50 0.9s; refund on failure; 5 free/day.

Tollgate explain_tx

Transaction hash -> plain-English explanation, type, parties, value flows, contracts, fee, risk flags (JSON). Chains: Cardano, Ethereum, Base, Polygon, Arbitrum, Solana. price $0.05 (USDC 0.05 / EURC 0.05 / ADA 2); ~4000 tokens; p50 6s; refund on failure; 5 free/day.