Agent directory

Extract structured metadata from any URL: page title, meta description, Open Graph and Twitter Card tags, canonical URL, favicons, language, generator and robots directives, plus RSS/Atom feed links. Give it a URL, get back clean SEO and so…

Live fee rates (high/medium/low sat/vB) — flat $0.001 per call, USDC on Base, no signup.

Return the Schema.org structured data already published on a public web page. Navigation-only results are marked low information so agents can choose Full extraction. $0.005 USDC per successful request on Base. Call /check before paying. Pa…

What a vehicle fault code means, with source-attributed generic and make-specific definitions and any disagreement between sources stated.

Open an SSL/TLS connection to a host and report its certificate — issuer, subject, validity window, days remaining, SANs, fingerprint and trust status.

dappgrade score — front-end integrity verdict for an onchain app, looked up by contract address. Inspects the app's public web front-end, not contract bytecode or admin control. Returns ok / caution / avoid / unknown with the coverage the v…

x402 protocol updates as JSON: recently merged changes in the x402 Foundation repository (formerly coinbase/x402), latest tags, and current npm versions of the @x402 packages (core, evm, express, fetch, extensions) and @coinbase/x402. Read …

OyaPicks: recently resolved prediction markets and their winning outcome

OpenAI pre-IPO fundamentals as JSON: FY2025 revenue, monthly revenue, ChatGPT users and subscribers, March 2026 round size and post-money valuation, new round target and valuation in talks, SoftBank bond financing and stake, valuation-to-ru…

Web Image Optimizer: Resizes one image so its longest side is at most max_width pixels (never enlarging it) and encodes it as WebP at the given quality. Transparency is kept. Metadata is not carried over, so a JPEG's EXIF orientation is not…

Pre-trade safety check: oracle-immune-system verdict for one trade, with verifiable EIP-712 attestation support. BLOCK verdicts are complete checks and are charged.

Liquidity pools created on Base mainnet in the last 24 hours, newest first, one page per call, filterable by exchange and flag. Each pool carries measured facts, each with the block it was read at, and true/false/unknown flags, with evidenc…

PDL Company Enrich - Enrich a company record with firmographics, industry codes, funding, and social profiles. Supports lookup by name, website, ticker, LinkedIn, or PDL ID.

Inspect a public HTTPS URL for redirects, metadata, content type, word count, and content hash.

Check whether a domain's TLS/SSL certificate is valid, trusted, and not expiring before connecting to it. Performs a live handshake and returns a 0–100 score and tier (VALID/WEAK/EXPIRING/EXPIRED/UNTRUSTED/INVALID) with chain trust, days-to…

Add a new memory. This method is called every time the user informs anything about themselves, their preferences, or anything that has any relevant information which can be useful in the future conversation. This can also be called when the…

Access to protected psf-bch-api resources (0.001 USDC)

BEFORE YOU PAY an x402 402: ping this resource URL. Returns live or dead (ghost listing, timeout, non-compliant host). One cent. Use when holding Payment-Required, before sending USDC to a payTo. Ghost x402, is this endpoint live, verify be…

Complete list of all Bitcoin Core RPC methods (summaries). One call replaces up to 142 individual lookups. Returns name, category, summary, and parameter count for every method.

Darrylbots paid research: Standard Stock Screen: Quality, Momentum, and Durable Execution

Extract structured public business contact information from any public business website. Returns company name, emails, phone numbers, social profiles, postal addresses, and contact pages as structured JSON. $0.01 per request via x402 on Bas…

Classify a caller-supplied operation claim against caller-supplied evidence under deterministic rules and return a machine-readable handoff receipt. Use this when an orchestrator needs a consistent completion state before accepting an agent…

Paid hosted deterministic explanation for EVM/RPC/wallet/UserOperation/x402 errors. Send raw pasted error JSON, text, or revert bytes.

Deterministic structural failure inspection of a caller-declared control mesh. Structural evidence only; never authorizes execution. 0.01 USDC per request.

Store payload to Shared Hold boundary - 0.005 USDC per successful hold

Crypto spot prices — Coinbase spot prices for up to ten assets.

Per-call counterparty lookup. Pass ?ua=<counterparty-UA>. Returns ONE signed row: has_record (yes/no), payment-attached count, settlement count, class, verdict (known_payer | probe_only | low_signal | unknown), with Ed25519 attestation. Pay…

Capture a screenshot of any URL or HTML. Returns a PNG or JPEG image. Supports full-page, element selection, custom viewport.

VpsAgent — rent disposable VPS compute via x402, no signup required. Two product lines: ephemeral sandboxes (1h / 6h / 24h, 1 vCPU / 1 GB RAM / 25 GB SSD, $0.50–$5.00) for code execution, CI runs, browser automation; persistent servers (sma…

Macro market signals API for agents. Tracks inflation, rates, liquidity, economic releases, crypto, and prediction markets.

Ranked reconstitution suggestions for one published reconstitutable compound: bacteriostatic-water presets that put the published per-administration dose range's clean steps on whole U-100 syringe marks, with doses per vial. Refuses period-…

Deep taint trace: follow funds upstream over multiple hops to see whether they touched illicit sources.

List Rekt CEO meme templates from the Brandify catalog

Render a bar/line/area chart to SVG (v2 discovery probe)

Password - CASA Cybersecurity Assessment - Consolidates evidence on secure communications, including certificate validity, hostname matching, protocol and cipher strength, forward secrecy, and TLS vulnerabilities. It determines whether the …

Clearsigned — the trust layer with no stake in the outcome. Submit {claim, evidence[]}, receive an Ed25519-SIGNED, evidence-bearing receipt (verify offline against GET /pubkey; every receipt is chained in the public ledger at GET /ledger/ve…