Every agent-payable API.

ESP32-CAM Module: Features & Programming Guide. A features-and-programming guide to the ESP32-CAM: onboard camera (OV2640/OV7670), microSD, flash LED and WiFi/BLE; how to flash it without a USB port using an FTDI adapter and the GPIO0-to-GND flash-mode trick; and running Espressif's CameraWebServer sketch for a browser live feed.

Meme Token Entry and Exit Risk Plan. A trade-risk record that identifies the exact asset and market, verifies authorities and executable liquidity, caps position and total loss, defines invalidation and exits before entry, accounts for all costs, and reconciles realized outcomes honestly.

Client Qualification and Paid Discovery. A qualification record and paid discovery package that verifies identity and decision authority, defines the current problem and value, inventories constraints and dependencies, exposes risk, and produces a go/no-go proposal with testable scope.

CNAME Domain Parking & DNS Resource Records. An explainer of DNS resource records: the four fields (host, type, TTL, data) every record uses, what the A, AAAA, CNAME, and MX record types do, and how multiple MX records with priority values provide email failover — including the trailing-dot FQDN gotcha.

Building Your Own Web Crawler & Indexer. How to build a web crawler and search index: a from-scratch Python approach (requests + BeautifulSoup, deque/set queue management, robots.txt and scope control) or frameworks (Scrapy, Crawlee, Colly), then indexing crawled fields into Elasticsearch, Meilisearch, or SQLite FTS5 for full-text search.

Solana Priority Fee and MEV Execution. An execution record and policy that separates base fee, compute-unit limit/price, tips or route fees, slippage and price impact, simulation, inclusion latency, failures, and realized output, then selects bounded fees from transaction value and measured conditions.

Reliable Webhook Implementation Guide. A webhook receiver that authenticates the exact raw request, blocks replay, acknowledges within provider deadlines, durably queues work, processes idempotently, retries with bounded policy, and supports replay/reconciliation without duplicate business effects.

Agent Retry and Idempotency Guide. A procedure for preventing duplicate side effects (payments, messages, orders, files) when agents retry after timeouts: defining a stable logical-operation key scope bound to a canonical payload hash, building a durable state machine (not a boolean flag), placing the side effect inside an atomic boundary, classifying retryable vs terminal errors, and handling same-key/different-payload conflicts explicitly rather than silently.

Client Software Handoff Guide. A payment- and acceptance-aware software delivery containing immutable release artifacts/source, ownership and license records, deployment/recovery instructions, credential transfer boundaries, acceptance evidence, support terms, and a signed receipt without surrendering unpaid leverage prematurely.

Accessibility Remediation Guide. A prioritized set of source-level fixes that makes critical journeys perceivable, operable by keyboard, understandable, and robust with semantics, focus, labels, contrast, motion, errors, and assistive-technology verification against WCAG 2.2 criteria.

Mastering LoRaWAN for IoT Projects. An overview of LoRaWAN for IoT: the architecture (end nodes, gateways, network server handling de-dup/ADR, application server), the power-vs-latency tradeoffs of Class A/B/C devices, typical 2–15 km range, and real-world uses in agriculture, smart cities, asset tracking, and industry.

Local Private-AI Deployment Guide. A procedure for sizing and securing a local Ubuntu AI deployment: mapping the real privacy/data-flow boundary first (local inference doesn't make retrieval, plugins, telemetry, or backups local), inventorying actual usable VRAM/RAM with a safety reserve before picking a model, installing as a versioned pinned service rather than an ad hoc shell launch, benchmarking on representative tasks (not just tokens/sec), binding interfaces to loopback with…

Mapping a New URL in Google Sites. How an admin maps a custom URL to a new Google Site: the requirements (new Sites only, public sharing, subdomain-to-primary-domain rule, 2,000-address limit), the Admin console steps, and CNAME verification — with auto-provisioned domain-validated SSL.

Exchange Deposit and Withdrawal Troubleshooter. A transfer incident record that reconciles the exchange ledger, account restrictions, asset/network/contract, address and memo, fee/minimum, withdrawal ID, on-chain transaction, confirmations, destination support, and provider escalation.

Statement of Work and Acceptance Matrix. A statement-of-work operating matrix that connects each deliverable to owner, input, environment, acceptance test, due date, payment milestone, defect rule, change process, handoff, and support boundary.

Backup and Restore Drill. A recovery evidence package that maps business services to protected data, verifies backup integrity and isolation, restores into a clean environment, runs application checks, measures RPO/RTO, and records gaps and owners.

Scheduled and Durable Agent Workflows. A schedule and workflow definition that survives restarts, handles missed or duplicate triggers, resumes from checkpoints, prevents overlapping side effects, and proves cancellation, timeout, recovery, and end-to-end delivery.

Forwarding Your Google Domain to a URL or IP. How to forward a Google-managed domain to another URL or IP: the Google Domains forwarding steps, choosing permanent (301) vs temporary (302) redirects and path forwarding, verifying propagation, and locating the synthetic DNS record that powers (and can break) forwarding.

NFT Authenticity and Spam Triage. A no-signature triage procedure for an unexpected NFT: recording the asset without clicking any link or signing anything, verifying on-chain collection/creator/update-authority identity against official sources (never against the NFT's own metadata), inspecting off-chain metadata URIs in isolation, and classifying the asset as verified authentic, likely spam/phishing, unverified, or program-specific before choosing a safe hide/burn/ignore action.

HTTP health check for any URL - up or down, status code, latency, redirects and server header

Hourly payroll calculator - regular and overtime hours, gross pay and optional withholding estimate

IBAN validation with ISO 7064 MOD 97-10 checksum - country code, check digits and pass/fail

Initial great-circle bearing between two coordinates in compass degrees

Insurance payout estimate from loss, deductible and policy limit - covered and uncovered amounts

Insurance payout estimate from loss, deductible and policy limit - covered and uncovered amounts

Insurance deductible cost-share calculator - member cost and plan cost from allowed amount and coinsurance

Insurance deductible cost-share calculator - member cost and plan cost from allowed amount and coinsurance

XIRR calculator for irregular dated cash flows - annualized return and net cash flow

Irrigation water volume estimate from area, target depth and system efficiency - liters and cubic meters

Federal Regulation Section Text (current eCFR). Current text of any federal regulation section (eCFR), e.g. 17 CFR 240.10b-5 or 16 CFR 312.5 (COPPA consent), with heading, source citation and the date it is current as of.

U.S. Code Section Text. Full text of any U.S. Code section with its (a)(1)(A) structure preserved, heading, citation, recent amendments and official source link. E.g. 18 U.S.C. 1030 (computer fraud), 42 U.S.C. 1983, 15 U.S.C. 78j-1.

Federal Register: New Rules, Proposed Rules & Notices. Federal Register documents: new final rules, proposed rules, notices and presidential documents by keyword, agency, type and date, with effective dates, comment deadlines, affected CFR parts, dockets, abstract and PDF.

Federal Regulations Search (current eCFR). Search current federal regulations (eCFR): matching sections with CFR citation, heading, part, issuing agency, excerpt and link; filter by CFR title.

Case Law Search (U.S. federal + state courts). U.S. case law search across millions of federal and state court opinions (CourtListener): filter by court (scotus, ca9, ...), date range; sort by relevance, newest or most cited. Each case: name, court, date, docket, all reporter citations, times cited, summary, text snippet, opinion and PDF links.

Library Docs — github colinhacks/zod. Up-to-date library documentation for coding agents: the latest published README and metadata (version, license, install command, docs URL, repository) for any npm, PyPI, crates.io, Go module or GitHub package, split into sections with a table of contents. Ask for only what you need with ?q= (search terms) or ?section= (a heading) instead of the whole file. Unknown packages are free 404s.

Library Docs — crates serde. Up-to-date library documentation for coding agents: the latest published README and metadata (version, license, install command, docs URL, repository) for any npm, PyPI, crates.io, Go module or GitHub package, split into sections with a table of contents. Ask for only what you need with ?q= (search terms) or ?section= (a heading) instead of the whole file. Unknown packages are free 404s.

Library Docs — pypi fastapi. Up-to-date library documentation for coding agents: the latest published README and metadata (version, license, install command, docs URL, repository) for any npm, PyPI, crates.io, Go module or GitHub package, split into sections with a table of contents. Ask for only what you need with ?q= (search terms) or ?section= (a heading) instead of the whole file. Unknown packages are free 404s.

Library Docs — go github.com/gin-gonic/gin. Up-to-date library documentation for coding agents: the latest published README and metadata (version, license, install command, docs URL, repository) for any npm, PyPI, crates.io, Go module or GitHub package, split into sections with a table of contents. Ask for only what you need with ?q= (search terms) or ?section= (a heading) instead of the whole file. Unknown packages are free 404s.

Library Docs — npm zod. Up-to-date library documentation for coding agents: the latest published README and metadata (version, license, install command, docs URL, repository) for any npm, PyPI, crates.io, Go module or GitHub package, split into sections with a table of contents. Ask for only what you need with ?q= (search terms) or ?section= (a heading) instead of the whole file. Unknown packages are free 404s.

Loan-to-value calculator - LTV percentage, equity amount and equity percentage

Magic: The Gathering card lookup by name - mana cost, oracle text, legalities, prices and rulings (Scryfall)

Magic: The Gathering card search using Scryfall query syntax - matching cards with full details

Macro-calorie calculator from protein, carbohydrate, fat and alcohol grams

Manufacturing takt time and hourly capacity from available minutes and demand

OEE calculator from availability, performance and quality percentages

Manufacturing yield and scrap rate from good and total units

Manufacturing takt time and hourly capacity from available minutes and demand

Marketing ROAS and ACOS calculator from ad spend and attributed revenue

Marketing ROAS and ACOS calculator from ad spend and attributed revenue

Chemical material properties from PubChem - formula, molecular weight, InChIKey, XLogP and polar surface area