Blog
Agent QA API: OpenAPI Readiness Checks for AI Agents
Score an OpenAPI document, enforce deterministic CI regression gates, verify bounded read-only endpoints, and schedule monitored checks.
Image to Prompt API — Turn Any Image into a Stable Diffusion Prompt
Analyze visible image content and compile a reviewable prompt package through REST or MCP.
Transcribe Audio with a Whisper API — Speech-to-Text for AI Agents
Upload audio or pass a public URL to receive text, language, timed chunks, and best-effort SRT through REST or MCP.
Free OCR API — Extract Text from PDFs and Images
POST /api/ocr for scanned invoices and image-only PDFs. curl, Python batch, and MCP ocr_extract.
Why AI Agents Shouldn't Raw-Fetch the Web
SSRF risk, uncheckable claims, and HTML noise—how AgentBrowse gives evidence quotes and safer public reads via REST and MCP.
Agent Nodes API: Turn Any Device into an AI Worker
Pair Android, Termux, or any device as a worker: pairing codes, lease/complete loops, and local task execution without burning the shared free daily tool pool.
Generate Excel & Word Files with One API Call — XLSX & DOCX from JSON
Create real .xlsx and .docx files from JSON with curl, Python, or MCP — multi-sheet workbooks, markdown Word docs, no signup for basic use.
Human-in-the-Loop Approvals for AI Agents
Create approval requests, notify email or Discord, and poll decisions with curl, Python, or MCP request_approval / get_approval.
AgentBrowse API: Let AI Agents Read the Web with Verified Quotes
Goal-based web reading for agents: domain allowlists, verified evidence quotes, 5 free reads daily, REST and MCP browse_web.
Image Prompt API: Build Better Stable Diffusion & ComfyUI Prompts
Turn a plain image idea into model-ready positive and negative prompts, sampler settings, and ComfyUI or Stable Diffusion WebUI mappings.
Free Network Intelligence API: DNS Lookup, SSL Check & Email Security
Query DNS records, inspect TLS certificates, check SPF/DKIM/DMARC, and extract social metadata with free REST endpoints and practical curl and Python examples.
Convert Images to WebP with One curl Command — Free API, No Signup
Convert any image to WebP with one curl command — no signup, no API key. Lossy or lossless quality, Python batch scripts, GitHub Actions, and MCP agent patterns.
How to Add Watermarks to Images with curl or Python (Free API)
Protect your images with programmatic watermarks — one HTTP request, configurable text, position, and opacity. curl, Python batch scripts, and MCP agent examples. No signup needed.
Remove Image Backgrounds with One API Call — Free AI Background Removal
Remove image backgrounds with one API call using BiRefNet AI. Free for basic use, no signup. curl, Python, batch processing, and MCP agent examples included — perfect for e-commerce, product photos, and AI pipelines.
Public Stock Intelligence for Humans and AI Agents
Public filings cleaned for scanning: insiders, Congress, 8-K events, watchlist email/webhooks, Mira brief, and Local AI Stock Bot integration for Pro.
Image Prompt API: Build Better Stable Diffusion & ComfyUI Prompts
Turn plain-language image ideas into structured positive and negative prompts, model settings, and ComfyUI or Stable Diffusion WebUI mappings.
PDF Processing API for AI Agents: Markdown, Forms, Pages & OCR
Convert PDFs to LLM-ready markdown, extract text with OCR, rearrange pages, and fill forms with practical REST, Python, and MCP examples.
Generate Charts with One API Call: Bar, Line & Pie from Data
Send JSON data and receive a downloadable SVG or PNG bar, line, or pie chart using curl, Python, or the generate_chart MCP tool.
Video Processing APIs for AI Agents: Thumbnails, Clips, GIFs & Audio
Extract video metadata and thumbnails, trim clips, create GIFs, and pull audio with accurate curl, Python, and MCP examples—including the limits and handoffs that matter in real workflows.
Bug Queue API: Responsible Agent-Assisted Issue Reporting
Submit genuine reproducible issues from people or agents, read public status, and integrate authorized review without pretending code changes or production releases should run unattended.
Structured Web Scraping API: Extract Data with CSS Selectors
Turn supported public HTML pages into typed JSON with CSS selectors, attributes, heuristics, bounded network requests, transparent billing, and REST or MCP examples.
Image Processing Pipelines for AI Agents: Chain & Automate
How AI agents chain image operations — resize, compress, remove backgrounds, convert — into unattended pipelines using REST API and MCP run_workflow_easy. Includes Python scripts, conditional agent logic, webhook-driven async batch processing, and retry patterns.
Build a Webhook Inbox in 30 Seconds — Free HTTP Endpoint for AI Agents
Create a free HTTP webhook inbox with one curl command. No account, no server, no signup. Receive POSTs from any external service and poll them from anywhere — curl, Python, AI agents, and low-code platforms.
How to Resize Images with curl (Free API, No Signup)
Resize any image with one curl command — exact pixels or percentage, format conversion to WebP/AVIF, quality control. No API key needed. Includes batch scripts and MCP agent patterns.
How to Improve Local LLM Tool Calling with Easy Mode Intelligence
Persistent task memory, guided workflows, bounded retries, output verification, reliable tool routing, loop prevention, and context compression—with measured Qwen3.5 9B results.
Free IP Geolocation Lookup API — Find Any IP Address with curl or Python
Look up any IPv4 address and get city, region, country, ISP, and coordinates with one HTTP request. No auth needed. curl, Python, JavaScript, and MCP agent examples included.
Agent Scheduler: Durable Cron Tasks for AI Agents
Create one-time or recurring HTTP tasks that keep running while your agent is offline. Cron schedules, timezones, retries, REST, MCP, delivery history, and Python coordinator scripts.
Pipeline Builder: Chain Tools into Reusable Workflows
A practical guide to the six supported pipeline steps, five templates, session-authenticated management and execution, conditions, run history, and webhook events.
Website Watchdog API: Monitor Public URLs for Changes with curl, Python & AI Agents
Free background URL change detection for AI agents. Register a watch, get notified via webhook, Discord, or email when content changes. curl, Python, and MCP examples included.
Hermes Agent Production Layer: Durable Files, Approvals, and Watches
Durable public file URLs, approval notify channels for Discord/Telegram, and Website Watchdog history — REST and MCP examples for self-hosted agents.
Inter-Agent Mailbox & Identity System: Let Your AI Agents Talk to Each Other
Claim an @handle, send messages between agents across sessions, and coordinate multi-agent workflows with REST API and MCP tools. Includes curl, Python coordinator script, and mailbox polling examples.
One API key. 70+ tools for AI agents.
Free REST + MCP toolkit, five-minute first-win path, $5 Pro, and ready-to-paste Show HN copy.
AI Image Generation API: Text-to-Image (FLUX.1 dev) for AI Agents
Generate photorealistic AI images from text prompts via REST API. Powered by FLUX.1 dev. Async queue, synchronous mode, batch up to 4 images, and MCP support. Includes curl, Python, and polling examples.
AI Video Generation API: Text-to-Video for AI Agents (Wan 2.5)
Generate short AI videos from text prompts via REST API. Async jobs, progress tracking, image-to-video animation, and MCP tool support. Includes curl, Python, and polling examples.
Webhooks for AI Agent Pipelines: Trigger URLs When Jobs Complete
Register URLs that receive POST notifications when agent pipeline runs finish. HMAC signing, retries, and receiver examples in Flask, Express, and n8n.
Free Pastebin API — Create Pastes with curl (No Signup)
Create pastes programmatically — curl, Python, MCP. Syntax highlighting, auto-expiration, and 500 KB per paste. No account needed.
Free Image Compression API for JPEG, PNG, and WebP
Reduce image file sizes without losing visible quality. Quality sliders, WebP conversion, batch scripts, and MCP agent support included.
3 Free Web Utility APIs: Screenshot, HTML to PDF & Readability
Full-page screenshots, article text extraction, and HTML-to-PDF — three free APIs for AI agents that need to browse the web.
Connect Claude to Agent Media Tools in 5 Minutes (MCP Setup)
Step-by-step Claude Desktop setup — install the .mcpb extension, add your API key, and start using all 70+ tools from your chat.
Build an Automated Image Pipeline: Resize → WebP → Deliver
Chain resize, convert, and compress into a cron-ready pipeline. Webhooks, batch jobs, and Discord delivery included.
Free QR Code API — Generate QR Codes (curl, Python, JS)
Generate QR codes for URLs, WiFi, or text. POST JSON, receive a PNG data URL, and use it in bots, n8n, or agent workflows.
How to Merge PDFs Programmatically (Free API + AI Agent Guide)
Combine multiple PDFs with one API call. curl, Python, and n8n workflow patterns for document automation.
Use Claude to Resize Images as a Skill — Free API Guide
Give your agent a resize-image API — curl, Python, MCP, and copy-paste prompts. No signup for basic use.
The llms.txt Strategy: How I Got My Site Cited by ChatGPT & Perplexity
Most websites block AI crawlers. Here's why I did the opposite — and how a single text file drives free traffic from LLM citations.
Building a 40+ Tool API for AI Agents in One Month
How I went from zero to a full-featured media processing API with MCP server support, Stripe billing, and autonomous agent purchasing.