Sats4AI - Bitcoin-Powered AI Tools
io.github.cnghockey/sats4ai · v1.5.5 · MCP 2026-07-28
40+ Lightning-paid AI tools for agents: calls, SMS, fax, voice, translation. No signup, no keys.
Reachability
reachable
checked 2026-10-12 06:35 UTC
Registry status active
Tools pinned 57
75036b8cdad2
Tools last changed
2026-10-12
Repo last push 2026-10-06
GitHub stars 2
Provenance
Registry namespace io.github.cnghockey
(GitHub-account verified by the official registry)
Repository
github.com/cnghockey/sats4ai-mcp-server
Remote endpoints
https://sats4ai.com/api/mcp (streamable-http)
Observed changes
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| 2026-10-12 06:35 | tools changed | 0 added, 0 removed, 2 changed |
| 2026-10-07 06:35 | tools changed | 0 added, 0 removed, 2 changed |
| 2026-10-03 06:48 | tools changed | 0 added, 0 removed, 1 changed |
| 2026-10-02 06:28 | tools changed | 0 added, 0 removed, 2 changed |
| 2026-10-01 06:27 | tools changed | 0 added, 0 removed, 1 changed |
| 2026-09-30 06:24 | tools changed | 0 added, 0 removed, 1 changed |
| 2026-09-28 06:35 | tools changed | 0 added, 0 removed, 6 changed |
| 2026-09-24 06:26 | tools changed | 0 added, 0 removed, 3 changed |
| 2026-09-23 06:21 | tools changed | 0 added, 0 removed, 1 changed |
| 2026-09-22 06:23 | tools changed | 0 added, 0 removed, 2 changed |
| 2026-09-21 06:29 | tools changed | 0 added, 0 removed, 2 changed |
| 2026-09-17 06:29 | tools changed | 0 added, 0 removed, 4 changed |
| 2026-09-15 06:25 | tools changed | 0 added, 0 removed, 1 changed |
| 2026-09-14 06:24 | tools changed | 0 added, 0 removed, 2 changed |
| 2026-09-13 06:28 | tools changed | 0 added, 0 removed, 1 changed |
| 2026-09-11 06:27 | tools changed | 0 added, 0 removed, 2 changed |
| 2026-09-10 06:28 | tools changed | 0 added, 0 removed, 3 changed |
| 2026-09-09 06:27 | tools changed | 0 added, 0 removed, 4 changed |
| 2026-09-05 06:21 | tools changed | 1 added, 0 removed, 6 changed |
| 2026-09-04 06:21 | tools changed | 1 added, 0 removed, 4 changed |
| 2026-09-03 06:14 | tools changed | 1 added, 0 removed, 3 changed |
| 2026-09-02 06:13 | tools changed | 0 added, 0 removed, 1 changed |
| 2026-08-29 06:13 | tools changed | 0 added, 0 removed, 1 changed |
| 2026-08-26 06:04 | tools changed | 0 added, 0 removed, 1 changed |
| 2026-08-23 06:04 | tools changed | 0 added, 0 removed, 3 changed |
Pinned tool definitions (57)
| Tool | Description |
|---|---|
| create_payment | Create a Lightning invoice to pay for one AI service call. Returns JSON: { paymentId, invoice (BOLT11), amount (sats), expiresAt }. Each payment covers exactly one tool call — call this once per operation. Typical flow: list_models →... |
| check_payment_status | Check whether a Lightning invoice has been paid. Returns JSON: { paid, serviceUsed, refundAllowed, readyToUse, next } — readyToUse=true means paid, not yet consumed, and no refund queued; next says what to do. Call after create_payment... |
| generate_image | Generate an image from a text prompt. Returns JSON with image URL. Models: Grok Imagine 2 (fast creative generation, 100 sats), Seedream 5 Pro (most permissive content policy, 150 sats at 1K / 300 at 2K), GPT Image 2.5 (ranked #1 on the... |
| generate_video | Generate cinematic video from a text prompt. Uses MiniMax H3 — top 2 on the Artificial Analysis text-to-video leaderboard — with native audio. Async — returns requestId, poll with check_job_status. 768p or 2K (2K is upscaled from a 768p... |
| animate_image | Animate a still image into cinematic video with MiniMax H3 — provide a first frame and a prompt to direct the motion. Native audio. Async — returns requestId, poll with check_job_status. 768p or 2K (2K is upscaled from a 768p render),... |
| check_job_status | Poll the status of an async job. Use this after calling any async tool (generate_video, animate_image, generate_3d_model, transcribe_audio, epub_to_audiobook, ai_call) that returns a requestId. Returns JSON: { status: 'IN_PROGRESS' |... |
| get_job_result | Retrieve the final output of a completed async job. Call ONLY after check_job_status returns status='COMPLETED' — calling on a job that has not completed returns an error. Returns JSON whose shape depends on jobType: video/video-image →... |
| await_result | Wait for an async job to finish and return its result in ONE call — no manual polling loop. Pass the requestId + jobType from an async tool (generate_video, animate_image, generate_3d_model, transcribe_audio, epub_to_audiobook,... |
| analyze_image | Analyze and describe image content, answer visual questions, extract information from screenshots or photos. Uses Qwen VL — multimodal vision-language model with strong OCR, chart reading, and spatial reasoning. 21 sats per image. Pay... |
| generate_text | Generate text using frontier AI language models. Pure per-character pricing (no minimum): Kimi K3 (best, ~10 chars/sat, 1M context, default), GPT-OSS-120B (standard, ~1000 chars/sat, 119 languages, best value). Rates are BTC-pegged and... |
| generate_music | Generate a full song with AI vocals from a style prompt plus lyrics — or an INSTRUMENTAL bed / underscore (background music under video narration, intros, outros) by sending ONLY structure tags and no words. You choose the length:... |
| text_to_speech | Text-to-speech with 3 tiers: OmniVoice Global (602+ languages including Yoruba, Bengali, Cebuano, Twi, voice design, ~106 chars/sat — use 'language' parameter with ISO code), Inworld Premium (#1 ranked TTS ELO 1217, emotion control, 40+... |
| transcribe_audio | Transcribe audio to text with WORD-LEVEL timestamps (timestamps:'word' returns per-word start/end times — subtitle alignment, karaoke captions, cutting video to speech) or segment timestamps. Uses Mistral Transcription — high-accuracy... |
| transcribe_translate | Compound endpoint — one payment turns audio in any of 13 source languages into both a transcript AND a translation in any of 119 target languages. Perfect for WhatsApp voice messages in a language you don't speak (Yoruba → English), or... |
| translate_epub | Translate a whole EPUB into another language and get an EPUB back. Every chapter is translated with its markup intact — headings, emphasis, footnote links, images and code stay where they were — the package language is retargeted and... |
| generate_3d_model | Generate a textured 3D GLB model from EITHER a photo OR a text prompt (provide exactly one, not both). Uses Tencent Hunyuan3D — high-fidelity geometry and PBR materials. Async — returns requestId, poll with check_job_status. 1600 sats... |
| extract_document | Extract text from PDFs and images as clean Markdown. Uses Mistral OCR — handles complex layouts, tables, handwriting, multi-column documents, and mathematical notation. Preserves document hierarchy in structured Markdown. 10 sats/page.... |
| convert_file | Convert files between 200+ formats: documents (PDF, DOCX, XLSX, HTML→PDF), images (PNG, JPG, WEBP, SVG), PDF first page to image (PDF→JPG, PDF→PNG), audio (MP3, WAV, FLAC), video (MP4, AVI, MOV). Industrial-grade conversion engine —... |
| send_email | Reach anyone with an email address — useful when your task requires formal communication, sending reports, or contacting someone outside chat. No SMTP server, no domain verification needed. Plain text, max 10,000 chars body, 200 chars... |
| clone_voice | Clone a voice you own or have permission to use, from a single audio sample. Returns a reusable voice_id for text_to_speech. Requires consent=true; cloning a voice to impersonate someone is prohibited. High-fidelity reproduction... |
| edit_image | Edit an image with natural language instructions. Uses MAI-Image-2.6, ranked #3 on the Artificial Analysis image-editing leaderboard as of September 2026 — understands context, handles object addition/removal, style transfer, and... |
| merge_pdfs | Merge multiple PDF files into a single document. Preserves bookmarks, links, and formatting. Returns JSON: { url } — a temporary download URL (valid ~1 hour). Minimum 2 files, no maximum. Files are concatenated in array order. 100 sats... |
| convert_html_to_pdf | Convert HTML or Markdown to a pixel-perfect PDF. Returns JSON: { url } — a temporary download URL (valid ~1 hour). Great for generating invoices, reports, receipts, or formatted documents programmatically. Supports full HTML/CSS... |
| render_card | Render a typographic card — headline, versus (two columns), list, stat (one big number) or quote — as a PNG or JPEG at 1920x1080 or 2560x1440. Deterministic layout, no AI model: the text you send is exactly what appears, which no image... |
| translate_text | Translate text across 119 languages with high accuracy. The target language picks the engine: GPT-OSS 120B by default, or a higher-scoring model (Gemini) where one measurably beats it. Auto-detects source language. Privacy-preserving:... |
| multilingual_ask | Ask a frontier AI a question in your OWN language and get the answer back in that same language, in ONE payment. We translate the question to English, answer it with a frontier model, then translate the answer back. Two engines behind... |
| translate_rare_language | Translate into 452 languages, 251 of them NOT supported by ChatGPT, Claude or Gemini (29 of those 251 measured at fair quality or better against human references) — including Bhojpuri (~50M speakers), Maithili (~34M), Egyptian Arabic... |
| extract_receipt | Extract structured data from receipts, invoices, and financial documents. Uses a dual-model pipeline (Mistral OCR + Kimi K3) for high-accuracy extraction. Returns JSON with merchant, date, line items, totals, tax, currency, and expense... |
| boardingpass_wallet | Turn airline boarding passes (PDF or screenshot) into Google Wallet passes with the fields a plain scan drops — boarding zone, gate, boarding time — for a whole family in one go. Returns one save link per passenger plus a single 'add... |
| e_signature | Send a document out for legally binding e-signature and have the signed copy emailed back. Upload the PDF, name up to 3 signers, and give the email where the signed copy should land. Flat 1000 sats per document. The request is fulfilled... |
| epub_to_audiobook | Convert books (EPUB/PDF/TXT) to full audiobooks with automatic chapter detection, multi-voice narration, and optional translation to any language before narration. 3 voice tiers: OmniVoice Global (602+ langs, ~106 chars/sat), Inworld... |
| send_sms | Reach a human via SMS when your task requires real-world coordination. Send to any phone number worldwide — delivery timing varies by destination. No phone plan, no SIM card, no telecom account needed. Pay with Bitcoin Lightning — no... |
| place_call | Bridge the digital-physical gap — place an automated phone call to deliver a spoken message or play audio to any number. Useful when your task requires notifying a human, delivering alerts, or reaching someone who isn't online. Pay with... |
| send_fax | When your task requires a paper-trail on the other end — loan paperwork to a bank, signed contract to a notary, booking confirmation to a hotel in Japan — send a fax to any number worldwide. Two modes: 'pdf' (fetch from public URL) or... |
| receive_fax | When you're expecting a fax back — bank confirmation, court filing, signed document — open a 24h receive window at our shared number +1 320 299 1523. Matched by caller ID (last 10 digits of the sender), delivered to your email as soon... |
| ai_call | When your task hits a wall that requires a human — booking, negotiating, navigating IVR menus, getting information from a business — send an AI voice agent to handle the call. The agent follows your instructions, has a real two-way... |
| confirm_ai_call | Confirm an AI call after reviewing push-back questions, optionally providing answers to missing info. Required when ai_call returns state='pending_confirm'. Uses the original payment — no new payment needed. Returns call_id for polling... |
| open_voice_bridge | Open a phone call you drive one turn at a time: we dial, transcribe what the other side says, and speak whatever text you send. You call voice_bridge_say to talk, poll_voice_bridge to read transcripts, end_voice_bridge to hang up. ⚠ NOT... |
| voice_bridge_say | Inject audio into an open Voice Bridge call. Two modes: (1) text — we synthesize via OmniVoice TTS in any of 602 languages; (2) audio_base64 + encoding — bring your own audio (mulaw_8000 or pcm_l16_16000 for MVP). STT is automatically... |
| poll_voice_bridge | Fetch new transcript events from an open Voice Bridge call since the last cursor. Returns partial + final transcripts + system events. Agent should poll in a loop (~500ms-1s). No additional payment. |
| end_voice_bridge | Hang up a Voice Bridge call, finalize billing, and return a LNURL-withdraw refund link for unused deposit time. Also returns the final transcript for convenience. |
| list_models | Discover available AI models with numeric IDs, tier labels, capabilities, and per-call pricing in sats. Call this before create_payment to find the right modelId for your task. Returns JSON array: [{ id, name, tier, description, price,... |
| get_model_pricing | Get pricing for a specific model by ID. No payment required. |
| get_cost_estimate | Get an exact sat cost quote for a service BEFORE creating a payment. Useful for budget-aware agents to price-check before committing. No payment required, no side effects. Pass service=text-to-speech&chars=1500,... |
| get_error_codes | Get the machine-readable catalog of all error codes this API can return (e.g. TIMEOUT, CONTENT_FILTERED, RATE_LIMITED, L402_REFUND_ISSUED, L402_AUTO_ROUTED). Agents should branch on error_code rather than parsing free-text messages. No... |
| request_refund | Open a MANUAL 48-hour refund review ticket for a service that FAILED (error, timeout, wrong output). Sends an email to the operator. DO NOT call this for unused-minute refunds on metered services (ai_call, voice_bridge) — those are... |
| remove_background | Remove background from any image, returning transparent PNG. Uses BiRefNet (state-of-the-art, Papers with Code — Sm 0.901 on DIS5K). Handles hair, fur, glass, transparency, and complex edges. Stable endpoint — model upgrades... |
| upscale_image | Upscale images 2x or 4x with neural super-resolution. Uses Real-ESRGAN (ICCV 2021, PSNR 32.73dB on Set5 4x, 100M+ production runs). Recovers real detail from low-resolution images — not interpolation. Optional face enhancement. Stable... |
| restore_face | Restore blurry, damaged, or AI-generated faces to sharp, natural quality. Uses CodeFormer (NeurIPS 2022, state-of-the-art FID 32.65 on CelebA-Test). Adjustable fidelity — balance between quality enhancement and identity preservation.... |
| estimate_depth | Estimate per-pixel depth from a single photo. Depth Anything V2 (NeurIPS 2024, 3.8M+ runs) returns BOTH the raw greyscale depth map — what a ControlNet, AR or 3D reconstruction pipeline consumes — and a colour visualization for humans.... |
| detect_nsfw | Classify image safety (normal / suggestive / explicit). Falcons.ai NSFW detection — 100x cheaper and faster than asking an LLM. Returns classification label and boolean is_nsfw flag. Essential for content moderation pipelines. 2 sats... |
| detect_objects | Detect and locate objects in an image by name. Grounding DINO (open-set detector, ECCV 2024) — describe what to find in natural language, get bounding box coordinates and confidence scores. Structured pixel data agents can't get from... |
| remove_object | Remove unwanted objects from images by describing what to remove — no mask needed. Combines Grounding DINO detection (ECCV 2024) with Bria Eraser inpainting. Just say 'person', 'car', or 'watermark' and the object is erased and filled... |
| colorize_image | Colorize black-and-white or grayscale photos. DDColor (dual-decoder, ICCV 2023) — vivid, natural colorization. Impossible for text/vision LLMs. 5 sats per image, pay per request with Bitcoin Lightning — no API key or signup needed.... |
| deblur_image | Recover detail from camera-shake and accidental motion blur. NAFNet (ECCV 2022, SOTA on GoPro/SIDD benchmarks). Best for: handheld shake, bumped camera, whole-frame uniform blur. NOT effective for: intentional panning blur,... |
| vote_on_service | Vote for a planned service to be built next. Returns JSON: { success, slug, newVoteCount }. 1 sat per vote — multiple votes allowed. Call list_planned_services first to discover valid slugs and current vote counts. Highest-voted... |
| list_planned_services | List all planned services with current vote counts. Returns JSON array: [{ slug, name, description, votes }], sorted by votes descending. No payment required — this is a free discovery tool. Use the slug values with vote_on_service to... |
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