# Prompt Demon (Omega store) > Cinematic image and video prompts for agents and prompt builders: 32 house-style pathways, English prompts, copy-paste ready. Free API and MCP endpoint to try, Gumroad packs and a licence key to buy. No account is needed to try it. ## Try it free - MCP endpoint (streamable HTTP, stateless): POST https://store.promptdemon.app/mcp . Tools: list_pathways, generate_prompts(pathway, count up to 5, licence_key optional). Without a licence key the prompts are watermarked samples and the buy link is returned. - REST sandbox, no key: POST https://store.promptdemon.app/api/v1/agents/sandbox with a JSON body such as {"pathway": null} - Pathway ids: GET https://store.promptdemon.app/prompt-demon/pathways - OpenAPI 3.1: https://store.promptdemon.app/api/v1/openapi.json ## How an agent buys Pay by card on Gumroad. Gumroad returns a licence key; send it as the licence_key argument on the MCP generate_prompts tool, or in the X-Gumroad-License header on POST https://store.promptdemon.app/t/prompt-demon-pack . The store checks the key with Gumroad on every use. - API licence, $9.99 for 30 days, all 32 pathways, up to 1000 prompts per call: https://kevdepp.gumroad.com/l/fqhojo - The Prompt Demon Pack, $4.99, 10,000 cinematic prompts as a download (JSON and Markdown): https://kevdepp.gumroad.com/l/pawax - Apify Actor, no licence key, pay per prompt on Apify: https://apify.com/pinkish_resilience/prompt-demon-pack - Premium key for the Prompt Demon app and REST API, $0.99 once: https://promptdemon.app/#get ## Themed packs (Gumroad downloads) - prompt demon characters: https://kevdepp.gumroad.com/l/ftcicu - prompt demon mix: https://kevdepp.gumroad.com/l/tfjpyr - prompt demon ocean art: https://kevdepp.gumroad.com/l/rzfjb - prompt demon pov: https://kevdepp.gumroad.com/l/eqooz - prompt demon psychedelic: https://kevdepp.gumroad.com/l/tbikug - prompt demon scifi: https://kevdepp.gumroad.com/l/dvdlm ## Pay-per-call in USDC (x402): present, frozen The x402 micro-tool routes (webpage, pdf, schema-check and others) are still served but are frozen: not promoted and not the way to buy Prompt Demon. Their terms, prices and wallet are in https://store.promptdemon.app/llms-full.txt . ## More - [Full reference](https://store.promptdemon.app/llms-full.txt) - [Shop](https://store.promptdemon.app/shop): the human page - [Catalogue](https://store.promptdemon.app/catalogue) - [Sitemap](https://store.promptdemon.app/sitemap.xml) ## Free pathways (what an unlicensed caller may name) - ATTACH_IMAGE_01: 7 steps - ATTACH_IMAGE_02: 7 steps - ATTACH_IMAGE_03: 8 steps - RC_01: 10 steps - ART_01: 7 steps - SCIFI_01: 8 steps - SCIFI_02: 8 steps - SCIFI_03: 8 steps - Child_Of_Mine_01: 9 steps - INSP_01: 14 steps - PSY_01: 10 steps - OCEAN_01: 6 steps - ELEVATOR_MAN_01: 5 steps - MIX_01: 12 steps - MIX_02: 11 steps - MIX_03: 12 steps - MIX_04: 11 steps - MIX_05: 9 steps - MIX_06: 9 steps - MIX_07: 6 steps - MIX_08: 9 steps - MIX_09: 5 steps - MIX_10: 7 steps ## MCP details - URL: https://store.promptdemon.app/mcp . Transport: streamable HTTP, JSON answers, no session. GET returns 405. - Methods: initialize, ping, tools/list, tools/call. - list_pathways: no arguments. - generate_prompts: pathway (string, optional), count (integer 1 to 5, default 3), licence_key (string, optional). - Unlicensed: at most 3 prompts, non-premium pathways, each ending in a watermark with the buy link; the free-sample allowance applies per caller. - Licensed: all 32 pathways; each use counts against the key's daily cap. ## Pay-per-call in USDC over x402 (frozen) Everything below is the pay-per-call catalogue. It is present and working but frozen: not promoted. Prompt Demon is bought on Gumroad (see above). # Omega store > Paid micro-tools for agents, priced per call in USDC over x402 on Base (mainnet). No account, no API key, no signup: call a route, get a 402 with the terms, pay, call it again with the transaction hash. ## How to pay - Network: eip155:8453 (Base (mainnet)) - Token: USDC, 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913, 6 decimals - Pay to: 0x5c22e4f914ef09bbe7847d274c06223817a50d0a - Confirmations needed: 2 - Send at least the price in USDC to the address above, then call the paid route again with the hash in the X-Payment-Tx header or ?tx=. A hash is accepted once, and it is only spent if you are served. - Every product has a free sample route that costs nothing: 10 calls an hour per caller, across all products. ## Machine-readable - [x402 manifest](https://store.promptdemon.app/.well-known/x402.json): every product, its price in atomic USDC, and its input schema. - [Catalogue](https://store.promptdemon.app/catalogue): the same list with examples and limits. - [Shop](https://store.promptdemon.app/shop): the human page, with what each product does, its price and where to buy it. - [Sitemap](https://store.promptdemon.app/sitemap.xml) - [Health](https://store.promptdemon.app/healthz) ## What is for sale ### webpage — 0.01 USDC per call Web page to clean text, title, links and metadata - Paid: POST https://store.promptdemon.app/t/webpage - Free sample: POST https://store.promptdemon.app/t/webpage/sample - Takes: {"url": "the public web page to read, http or https"} - Returns: title, text, links, metadata, final_url, bytes_fetched - Price in atomic USDC (what the 402 asks for): 10000 - Will not: anything that is not a public http or https web page; any address on the fetcher's own side of the network: loopback, the private ranges, the cloud metadata address, the tailnet; a url with credentials in it; a path the site's robots.txt disallows for omega-store, on every hop of a redirect; more than 3 redirects; running JavaScript, logging in, or anything that works around an anti-bot measure: there is no browser here; a page over 2 MiB - Copy-paste, free sample (costs nothing): curl -sS -X POST 'https://store.promptdemon.app/t/webpage/sample?src=listing' -H 'content-type: application/json' -d '{"url":"https://example.com/"}' - Copy-paste, paid (after you have sent the USDC): curl -sS -X POST 'https://store.promptdemon.app/t/webpage?src=listing' -H 'content-type: application/json' -H 'X-Payment-Tx: YOUR_USDC_TX_HASH' -d '{"url":"https://example.com/"}' ### pdf — 0.02 USDC per call PDF to text, page by page - Paid: POST https://store.promptdemon.app/t/pdf - Free sample: POST https://store.promptdemon.app/t/pdf/sample - Takes: {"pdf_base64": "the PDF itself, base64 encoded"} - Returns: pages, text, page_count, metadata, bytes_in - Price in atomic USDC (what the 402 asks for): 20000 - Will not: anything that does not begin with %PDF; an encrypted or password-locked PDF; a PDF over 500 pages, or over the size cap for the route; images: there is no OCR here, so a scanned page returns no text; fetching anything at all — the PDF must be in the request - Copy-paste, free sample (costs nothing): curl -sS -X POST 'https://store.promptdemon.app/t/pdf/sample?src=listing' -H 'content-type: application/json' -d '{"pdf_base64":"JVBERi0xLjQKJfbk/N8KMSAwIG9iago8PAovVHlwZSAvQ2F0YWxvZwo..."}' - Copy-paste, paid (after you have sent the USDC): curl -sS -X POST 'https://store.promptdemon.app/t/pdf?src=listing' -H 'content-type: application/json' -H 'X-Payment-Tx: YOUR_USDC_TX_HASH' -d '{"pdf_base64":"JVBERi0xLjQKJfbk/N8KMSAwIG9iago8PAovVHlwZSAvQ2F0YWxvZwo..."}' ### schema-check — 0.01 USDC per call JSON document against a JSON schema, with every error - Paid: POST https://store.promptdemon.app/t/schema-check - Free sample: POST https://store.promptdemon.app/t/schema-check/sample - Takes: {"schema": "the JSON schema", "document": "the document to check"} - Returns: valid, errors, bytes_in - Price in atomic USDC (what the 402 asks for): 10000 - Will not: a schema that is not a usable JSON schema; a schema that refers to itself without end; a check still running after 5 seconds: it is stopped and answered 422; fetching a remote $ref — nothing here goes to the network - Copy-paste, free sample (costs nothing): curl -sS -X POST 'https://store.promptdemon.app/t/schema-check/sample?src=listing' -H 'content-type: application/json' -d '{"schema":{"type":"object","required":["a"]},"document":{}}' - Copy-paste, paid (after you have sent the USDC): curl -sS -X POST 'https://store.promptdemon.app/t/schema-check?src=listing' -H 'content-type: application/json' -H 'X-Payment-Tx: YOUR_USDC_TX_HASH' -d '{"schema":{"type":"object","required":["a"]},"document":{}}' ### llm-advisor — 0.01 USDC per call Rank open-source LLMs that fit your task, RAM budget and GPU limits - Paid: POST https://store.promptdemon.app/t/llm-advisor - Free sample: POST https://store.promptdemon.app/t/llm-advisor/sample - Takes: {"task": "what you need: chat, summarize, code, reasoning, translate or extract", "max_ram_gb": "the host's RAM budget in gigabytes (a number above zero)", "no_gpu": "true if the host has no GPU (default true, like the Omega box)", "max_latency_ms": "optional: the most milliseconds one ~200-token answer may take", "max_cost_usd_per_million_tokens": "optional: the most you will pay per million tokens on a managed host", "commercial_use_only": "optional: true to drop models that forbid commercial use"} - Returns: matches, match_count, stale, data_date, asked, disclaimer, bytes_in - Price in atomic USDC (what the 402 asks for): 10000 - Will not: doing inference or calling a model: this is a lookup, not a runtime; fetching anything: the table lives in the code; recommending a model that will not fit the RAM you gave, or that needs a GPU when you said there is none; ranking a model whose licence forbids the use you asked for; serving a recommendation from a table past its freshness window; a task that is not one of: chat, summarize, code, reasoning, translate, extract - Copy-paste, free sample (costs nothing): curl -sS -X POST 'https://store.promptdemon.app/t/llm-advisor/sample?src=listing' -H 'content-type: application/json' -d '{"task":"summarize","max_ram_gb":4,"no_gpu":true,"max_latency_ms":5000,"max_cost_usd_per_million_tokens":0.5,"commercial_use_only":false}' - Copy-paste, paid (after you have sent the USDC): curl -sS -X POST 'https://store.promptdemon.app/t/llm-advisor?src=listing' -H 'content-type: application/json' -H 'X-Payment-Tx: YOUR_USDC_TX_HASH' -d '{"task":"summarize","max_ram_gb":4,"no_gpu":true,"max_latency_ms":5000,"max_cost_usd_per_million_tokens":0.5,"commercial_use_only":false}' ### selfhost-config — 0.02 USDC per call Hardened, tailnet-first docker-compose + Tailscale serve/funnel configs for six self-hosted apps - Paid: POST https://store.promptdemon.app/t/selfhost-config - Free sample: POST https://store.promptdemon.app/t/selfhost-config/sample - Takes: {"app": "the app to configure: nextcloud, home-assistant, gitea, vaultwarden, jellyfin or paperless-ngx", "funnel": "optional: true to also emit the public Tailscale Funnel steps (off by default)", "public_hostname": "optional: the hostname buyers reach it on; required when funnel is true", "confirm_public_exposure": "optional: required when funnel is true \u2014 type the app's name to accept public exposure"} - Returns: app, title, version, image, network_mode, funnel_allowed, files, secrets_generated, install_steps, funnel_steps, warnings, data_date, support, listing, bytes_in - Price in atomic USDC (what the 402 asks for): 20000 - Will not: a default password or a published credential of any kind: every secret is generated per install; publishing any app on 0.0.0.0 or the host's public address: every port binds 127.0.0.1; exposing vaultwarden through Tailscale Funnel, ever; public exposure without the buyer typing the app's name in confirm_public_exposure; a Tailscale account, a Tailscale login or any network access: this is a config generator, not a deployer; running or testing the stack: the buyer runs it; an app that is not one of the six listed - Copy-paste, free sample (costs nothing): curl -sS -X POST 'https://store.promptdemon.app/t/selfhost-config/sample?src=listing' -H 'content-type: application/json' -d '{"app":"gitea","funnel":false,"public_hostname":null,"confirm_public_exposure":null}' - Copy-paste, paid (after you have sent the USDC): curl -sS -X POST 'https://store.promptdemon.app/t/selfhost-config?src=listing' -H 'content-type: application/json' -H 'X-Payment-Tx: YOUR_USDC_TX_HASH' -d '{"app":"gitea","funnel":false,"public_hostname":null,"confirm_public_exposure":null}' ### prompt-demon-batch — 0.25 USDC per call Prompt ideas for n8n, Kling, Veo, Runway and Wan: random, grammatical, model-ready cinematic video prompts drawn from Prompt Demon's 25,000-variable library and 32 house-style pathways. One flat call returns up to 1,000 of them. No LLM, no API key, no account, no latency — deterministic string assembly, under five seconds, paste straight into your video model or workflow. - Paid: POST https://store.promptdemon.app/t/prompt-demon-batch - Free sample: POST https://store.promptdemon.app/t/prompt-demon-batch/sample - Takes: {"pathway": "optional: a pathway id from GET /prompt-demon/pathways, or null for random non-premium pathways", "n": "how many prompts to generate, integer 1 to 1000 (a sample always gives 3)"} - Returns: pathway, count, prompts - Price in atomic USDC (what the 402 asks for): 250000 - Will not: a premium pathway id: the free pathways are listed before you pay; more than 1,000 prompts in one call; serving anything when the prompt library is not mounted; an unknown pathway id - Price, plainly: 0.25 USDC per CALL, not per prompt, whatever `n` you ask for: 1,000 prompts is 0.00025 USDC each. 250000 atomic units, 6 decimals. The free sample route costs nothing and returns 3 prompts. - Example — the free sample: no payment, three prompts, random pathways: request: {"pathway": null, "n": 3} answer: {"pathway": "random", "count": 3, "sample": true, "price_usdc": 0.25, "prompts": ["slow push in through a rain-soaked neon alley, anamorphic flare, shot on 35mm film", "handheld orbit around a lone figure on a salt flat at dawn, wide lens", "crane down over a night market, shallow depth of field, warm practical lights"]} - Example — one paid call, a thousand prompts, the whole 0.25 USDC: request: {"pathway": null, "n": 1000} answer: {"pathway": "random", "count": 1000, "prompts": ["... 1000 strings ..."]} - Example — one named pathway, for a consistent look across a batch; the ids come free from GET /prompt-demon/pathways: request: {"pathway": "cinematic_noir", "n": 50} answer: {"pathway": "cinematic_noir", "count": 50, "prompts": ["... 50 strings in that house style ..."]} - Copy-paste, free sample (costs nothing): curl -sS -X POST 'https://store.promptdemon.app/t/prompt-demon-batch/sample?src=listing' -H 'content-type: application/json' -d '{"pathway":null,"n":3}' - Copy-paste, paid (after you have sent the USDC): curl -sS -X POST 'https://store.promptdemon.app/t/prompt-demon-batch?src=listing' -H 'content-type: application/json' -H 'X-Payment-Tx: YOUR_USDC_TX_HASH' -d '{"pathway":null,"n":3}' ### prompt-demon-pack — 9.99 USDC per call A downloadable pack of 10,000 cinematic image and video prompts across Prompt Demon's 32 house-style pathways, in JSON and Markdown, with the 1,000 highest-variety prompts curated up top, for content-workflow builders and prompt engineers. Not the Prompt Demon app: this is a writing desk for people who build n8n flows, model pipelines and prompt libraries. Buy the pack on Gumroad, buy a 30-day API license and call the API with it, or run the Apify Actor with no license at all (Apify charges $0.02 per prompt). - Paid: POST https://store.promptdemon.app/t/prompt-demon-pack - Free sample: POST https://store.promptdemon.app/t/prompt-demon-pack/sample - Takes: {"pathway": "optional: a pathway id; null picks any allowed pathway", "count": "how many prompts to generate, integer 1 to 1000", "seed": "optional integer; the same seed returns the same prompts"} - Returns: pathway, count, prompts, licensed - Price in atomic USDC (what the 402 asks for): 9990000 - Will not: a count over 1,000; a premium pathway in the free sample; serving anything when the prompt library is not mounted - Price, plainly: The pack is a $4.99 download; the 30-day API license is $9.99 and is charged once, not per call. - Example — a paid call: two prompts from one pathway: request: {"pathway": "FREE_01", "count": 2} answer: {"pathway": "FREE_01", "count": 2, "prompts": ["a lone figure in rain,", "a red boat at dawn,"], "licensed": true} - Example — the free sample: three prompts, no premium pathway: request: {"count": 3} answer: {"pathway": "spread", "count": 3, "sample": true, "prompts": ["a lone figure in rain,", "a red boat at dawn,", "a lone figure at dawn,"]} - Copy-paste, free sample (costs nothing): curl -sS -X POST 'https://store.promptdemon.app/t/prompt-demon-pack/sample?src=listing' -H 'content-type: application/json' -d '{"pathway":"FREE_01","count":2,"seed":7}' - Copy-paste, paid (after you have sent the USDC): curl -sS -X POST 'https://store.promptdemon.app/t/prompt-demon-pack?src=listing' -H 'content-type: application/json' -H 'X-Payment-Tx: YOUR_USDC_TX_HASH' -d '{"pathway":"FREE_01","count":2,"seed":7}' ## Other ways to buy - Not paying in USDC? The same products are sold for a card on Gumroad and run as an Apify Actor: - ai-data-optimization-brief-v1 - Gumroad license key: https://kevdepp.gumroad.com/l/kskzz - evidence-brief-ai-cinematic-prompts-2026-10 - Gumroad download: https://kevdepp.gumroad.com/l/dpzhgq - prompt-demon-characters - Gumroad download: https://kevdepp.gumroad.com/l/ftcicu - prompt-demon-mix - Gumroad download: https://kevdepp.gumroad.com/l/tfjpyr - prompt-demon-ocean-art - Gumroad download: https://kevdepp.gumroad.com/l/rzfjb - prompt-demon-pack - Gumroad download: https://kevdepp.gumroad.com/l/pawax - prompt-demon-pack - Gumroad license key: https://kevdepp.gumroad.com/l/fqhojo - prompt-demon-pack - Apify Actor: https://apify.com/pinkish_resilience/prompt-demon-pack - prompt-demon-pov - Gumroad download: https://kevdepp.gumroad.com/l/eqooz - prompt-demon-psychedelic - Gumroad download: https://kevdepp.gumroad.com/l/tbikug - prompt-demon-scifi - Gumroad download: https://kevdepp.gumroad.com/l/dvdlm - sell-ai-data-optimization-brief-v1-rerun-on-gumroad-a-specia - Gumroad download: https://kevdepp.gumroad.com/l/kskzz - tax-agent-benchmark-audit-pack - Gumroad download: https://kevdepp.gumroad.com/l/mzjmch ## Free routes - GET https://store.promptdemon.app/prompt-demon/pathways: the Prompt Demon pathway ids a free caller may name, with the step count of each. Costs nothing. - GET https://store.promptdemon.app/catalogue ## Prompt Demon API - A prompt generator over 32 cinematic pathways; prompts are English by design. - Free: 5 rolls per client per 60 minutes, 23 of the 32 pathways. - Premium: $0.99 once; all 32 pathways and Studio. The 9 premium pathways need a premium key, even when named explicitly. - Agent sandbox: POST https://store.promptdemon.app/api/v1/agents/sandbox, no key, 3 rolls per client per 60 minutes. - Free API key: 100 calls a UTC day; send it in X-API-Key to POST /api/v1/generate. - Status: GET https://store.promptdemon.app/api/v1/status - OpenAPI 3.1: https://store.promptdemon.app/api/v1/openapi.json - Copy-paste: curl -s -X POST https://store.promptdemon.app/api/v1/agents/sandbox -H 'content-type: application/json' -d '{"pathway":"ATTACH_IMAGE_01"}'