Help me set up Zero — a free tool that lets you find and use extra services you don't have built in (image/video generation, search live social media, or hosting a free webpage). …To setup manually, read Installation Guides
Given a book title, searches Anna's Archive and returns a direct EPUB download URL in natural-language text
Computes the overround (sum of implied probabilities minus 1) from an array of market probabilities
Provides a safe, programmable payment endpoint for AI agents to autonomously coordinate tasks and transact on the BotPay agent marketplace network.
Processes an x402 USDC payment and returns a settlement and fulfillment transaction record with BOTPAY token amount for AI agents and machines.
Validates x402 web automation payment receipts by checking payment match, execution proof, schema conformance, idempotency key reuse, and replay resistance before certifying a page action as delivered.
Splits input text into indexed, hash-identified chunks with SHA-256 integrity checksums for downstream agent processing
Normalizes untrusted or loosely-typed data against a declared JSON Schema before it is persisted, chained, or executed by an agent.
Runs a comprehensive pipeline of risk scanning, JSON extraction, schema normalization, and deterministic receipt generation in a single call before an agent proceeds
Returns static constructor-level evidence of API signature changes between HTTPX versions for specified Python symbols
Approves a submitted bounty result as the bounty poster, releasing the escrowed reward to the worker minus a 20% house fee and completing the bounty lifecycle.
Cancels an open or stale-claimed bounty and refunds the full reward to the poster with no fee
Given a list of agent/API candidates and a set of required capability labels, returns a match matrix showing which candidates satisfy which requirements, their coverage ratio, and price.
Analyzes a history of failed purchase attempts and returns a safe, step-by-step rescue decision to guide an autonomous agent through recovering from an ambiguous or stuck payment flow without repeating irreversible transactions.
Computes and ranks API providers by cost-per-expected-success to find the break-even optimal provider for a given call volume.
Verifies that specific quoted claims are present in caller-supplied source texts, returning per-claim verdicts with byte offsets, freshness info, and a tamper-evident pack hash.
Deduplicates an array of records by one or more key fields, returning only unique records and reporting which duplicates were found and kept based on a first/last strategy.
Checks agreement across multiple agent-produced outputs and accepts or rejects the result based on a configurable minimum consensus ratio
Converts a CSV string into structured JSON records, returning headers, rows, and record count
Evaluates a task deliverable against a set of deterministic acceptance rules and returns a pass/fail decision with per-rule results and a content hash.
Scores and ranks a list of API provider candidates against a routing policy (balanced, lowest cost, highest reliability, or lowest latency) and returns the best-fit provider plus a fallback order.
Converts a structured JSON array of records into a CSV-formatted string, with optional custom delimiter and field ordering, returning a SHA-256 digest for verification.
Analyzes a GitHub issue to verify its open state, reward amount, competition level, payout restrictions, and fit before a developer commits time to it.
Submit a result for a claimed bounty, providing the bounty ID and result payload for poster review and payment release.
Validates an international phone number in E.164 format, returning country, line type, canonical formatting, and a timestamped receipt.
Validates payment card numbers in batch for Luhn checksum compliance and brand identification (format-only, no live account lookup), returning a timestamped receipt.
Returns annual World Bank WDI digital access indicators for Brazil (or another country) over a specified year range, including historical data and latest observations.
Returns three World Bank WDI annual indicators for Brazil's economic size and growth, with historical data and latest available observations.
Returns three World Bank WDI annual employment market indicators for Brazil (or another country), including historical data, source update date, and latest observations.
Returns three World Bank WDI annual indicators covering population and urbanisation for Brazil, including historical data and the latest available observations.
Calculates and compares break-even advertising cost per order across multiple named retail cost scenarios using supplied financials.
Calculates break-even sales units for up to 200 records in a single batch, returning formulas, units, and validation results for each row.
Compares two sets of cost/price inputs (before and after) and reports the absolute and relative change in break-even sales units.
Summarises up to 200 break-even sales unit calculations with quantiles and population standard deviation across multiple cost/price scenarios.
Performs a sequential (waterfall) attribution analysis on break-even sales units by changing each input from baseline to final values in declared field order, reporting each incremental effect.
Calculates break-even sales units across a grid of up to 100 combinations of two chosen input variables (fixed costs, unit price, or variable cost per unit), reporting invalid combinations.
Compares two documents or texts using AI, highlighting differences, similarities, and key insights between them
Compresses a string using Brotli (RFC 7932) and returns the result as a base64-encoded string, with configurable quality level and input encoding.
Extends the prepaid time of an existing Browserbase headless browser session by adding more session duration
Extends the duration of an existing Browserbase headless browser session by adding more prepaid time
Returns the current Bitcoin and Ethereum market-cap dominance percentages with no parameters required.
Returns live Stacks/Bitcoin market data including PoX cycle info, BTC and STX fee tiers, STX/BTC/USD spot prices, sBTC supply, and npm/PyPI dependency health for the Stacks ecosystem.
Returns current Bitcoin network fee rate estimates for transaction fee planning
Returns SEC-reported insider trading activity for a given stock ticker symbol
Returns a combined Bitcoin market tape: spot price alongside Hyperliquid perpetual mark price, open interest, and funding rate — no parameters required.
Computes numeric distribution statistics and a trailing mean time series for budget program reach data (beneficiary_count or spend_amount) across up to 200 rows.
Computes a Base-100 indexed time series and an equal-width histogram for supplied budget variance records (budget_amount vs actual_amount) using local analytical engines.
Converts meeting transcript segments (with speaker labels and timestamps) into a structured CSV-ready action handoff format for downstream processing
Compares two snapshots of meeting notes (baseline vs. current) to identify changes in topics, decisions, action items, and open questions between meetings.
Compares a new set of meeting notes (topics, decisions, action items, open questions) against a baseline snapshot to detect changes, additions, or shortages in meeting logistics documentation.
Compares a new sales competitor meeting transcript or notes snapshot against a baseline version to surface changes in topics, decisions, action items, and open questions.
Validates a batch of email addresses for multiple at-sign (@) issues, flagging malformed emails that contain more than one @ character.
Computes grouped descriptive statistics (min, max, mean, count, etc.) for building occupancy data, segmented by floor group, from up to 200 supplied records.
Detects IQR-based statistical outliers in building occupancy data (capacity or occupant counts) across floors and dates, returning outlier flags for up to 200 records.
Returns contractor interview questions, red flags to watch for, recommended contract terms, and market rates to help homeowners vet contractors before hiring.
Returns a trade-sequenced construction schedule with inspection milestones and critical path analysis for a given build project.
Returns contractor interview questions, red flags, contract terms, and market rate benchmarks to help homeowners vet and hire contractors.
Returns a project-type-specific checklist of what building inspectors examine and actionable tips to pass inspection on the first attempt.
Purchases a Pro-tier API access pass for BuiltWith, returning a one-time pass token with report limits for keyword and technology lookups
Look up the redirect history for a given domain using BuiltWith's dataset of 100M+ websites.
builtwith.x402.paywithlocus.comBuiltWith Trust Signals Lookup via Locus x402x402$0.035/messageRetrieves trust signal data for a given domain using the BuiltWith dataset, surfacing credibility and reliability indicators for websites.
builtwith.x402.paywithlocus.combullmq NPM Dependency Diffx402$0.01/messageReturns the dependency changes between two releases of the bullmq npm package for integration and upgrade planning.
Runs a counterparty compliance verdict on a Brazilian CNPJ or international LEI, checking against CNPJ, TCU, CNIA, CEIS, CNEP, CVM, and GLEIF registries.
Computes daily sum time series and Pearson correlation between listed_entities and verified_entities from supplied business directory coverage data (up to 200 rows, 2 reports per call).
Maps a supply chain as a sequence of discrete markets (not companies), walking from end demand to upstream origin and identifying each stage's buyers, constraints, and lead times.
Returns a structured decision framework for whether a business should approve or refuse a growth adjacency move, including the governing rule, required inputs, recommended action, and a validation check.
Returns the rule, required inputs, recommended action, and check for managing concentration risk in a business operating from launch to ~$50M revenue.
Audits data quality and removes exact duplicate rows from supplied business registration records (new_registrations, closures) using local analytical engines — no external lookups or predictions.
Computes trailing moving-average and base-100 index series for business registration and closure data supplied by the caller, returning two analytical reports per call.
Computes daily sum time series and base-100 indexed series for supplied business website inventory metrics (page_count, verified_pages) across up to 200 rows.
Assesses risk profile of a cryptocurrency token/protocol for trading decision support
Scans up to 10 token addresses simultaneously for security vulnerabilities and risks on Base or other EVM chains
Charges $20 by card via MPP (Stripe/Link) and returns a new API key loaded with 22,000 tool credits, or tops up an existing key — no checkout page required.
Validates up to 64 proposed Base-USDC payment calls against a declared budget, per-call cap, allowed payees, and human-approval flag, returning policy mismatches and arithmetic totals without executing any payments.
Generates a shareable guest link (with token and expiry) for a specific expired domain report on Karma.Domains
Saves a named domain search filter (with optional bases) to the user's account for reuse in expired domain searches
Performs a WHOIS lookup on a given domain name to return its registration status and related metadata
Performs a DNS lookup on a given domain name to check its DNS records and resolver status
Calculates the total merchandise cost after applying a buy-X-get-Y-free discount structure to a basket of retail items.
Issues a prepaid API key granting access to ByKaranteli's free crypto derivatives data including six-venue liquidation models, funding rates, open interest, options gamma, ETF flows, and CFTC positioning.
Counts bytes, characters, words, and lines in a given string and returns all four metrics in a single response.
Generates two analytical reports from supplied cache telemetry data: a Base-100 indexed time series and a date-by-category pivot table, for up to 200 rows of hit/miss count data.
Checks whether a proposed time slot conflicts with existing calendar events and returns overlapping event details
Computes an equal-width histogram over call centre records (calls or wait_seconds) with a configurable number of bins, using local numeric processing only.
Detects IQR-based statistical outliers in call centre numeric metrics (calls or wait_seconds) across up to 200 typed records.
Returns a list of Meteora DLMM liquidity pool data on the Solana blockchain, pay-per-use via x402 micropayment.
Returns the top token holders by total value locked (TVL) for EVM-compatible blockchain assets
Returns a list of EVM token data for blockchain networks, served pay-per-use via the x402 micropayment protocol.
Returns fee metrics for liquidity pools on the Orca DEX on Solana, delivered pay-per-use via x402 micropayment.
Fetches token transaction history for Solana addresses or tokens via pay-per-use blockchain data API
Returns a list of Euler protocol curator vaults on EVM-compatible blockchains via pay-per-use x402 micropayment.
Returns hourly price data for Solana (SOL) via a pay-per-use x402 micropayment endpoint.
Returns trade statistics for Solana blockchain tokens or accounts, payable per-use via x402 micropayment.
Returns a list of Euler V2 lending vault markets on EVM chains, including market data and metrics, via pay-per-use micropayment.
Returns the fee tier ranges available across Orca liquidity pools on Solana
Returns the current Total Value Locked (TVL) status across EVM-compatible blockchain protocols, payable per-call via x402.
Fetches a list of Raydium Concentrated Liquidity Market Maker (CLMM) pools on Solana, returning pool data for autonomous agent use.
Fetches a list of Morpho protocol curator vaults on EVM chains, providing on-chain DeFi lending data for autonomous agents.
Fetches concentrated liquidity market maker (CLMM) pool data from the Raydium DEX on Solana via pay-per-use x402 micropayment.
Retrieves a list of lending markets available within Morpho V2 vaults on EVM-compatible blockchains.
Returns a list of Solana token data, including on-chain token metadata and market information, via pay-per-use x402 micropayment.