Verified free AI offers, API free tiers, credits and student/startup programs from aifree.dev.
| Endpoint | https://aifree.dev/mcp (streamable-http) |
|---|---|
| Registry version | 1.0.1 |
| Now | 19 tools · grade B (83) · pin ts_9333ecee9228ce4245724a9b3d5024fa · protocol 2025-06-18 |
| First / last listed | 2026-11-14 00:58 UTC / 2026-11-14 00:58 UTC |
| Grade over time | 2026-11-14: B (83), 19 tools |
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Tools: search_free_ai_offers get_offer offer_history list_free_llm_apis find_models recent_changes upcoming_deadlines best_lists best_list list_models get_model list_providers build_stack calc get_status compare_offers check_eligibility is_free ask_aifree
search_free_ai_offers | Find free AI tools, API free tiers, credits and programs. Free text plus optional filters; returns the best matches with limits, card rules and the page URL to cite. params: query, category, audience, freeType, cardRequired, region, commercialUse, limit |
get_offer | Full details for one offer by slug (the last path segment of an aifree.dev/offer/... URL), including the write-up and, for API free tiers, the models served with their published rate limits (rateLimit: rpm, rpd, tpm, optional tpd and rpmo; null = not published), the API id of each model when recorded (apiId), whether its vendor documents JSON mode / structured output (structuredOutput, omitted whe params: slug* |
offer_history | What changed on one offer, newest first: its changelog events (listed, verified, terms_updated, expired, incidents, …) and edits to its public facts (what is free, limits, card rule, expiry, vendor URL), each with a { from, to } diff when fields changed. Same data and paging as GET /api/v1/offers/{slug}/history. params: slug*, since, page, limit |
list_free_llm_apis | Free LLM / inference API tiers and credits (Gemini, Groq, OpenRouter, Mistral, Cohere, NVIDIA, …) with their limits and card rules. params: limit |
find_models | Which free API tiers serve an LLM model, with the published free-tier rate limits (RPM, RPD, TPM, TPD, requests/month), context window, tool calling and JSON mode (structured output). Same rows and ranking (most requests per day first) as the free LLM API picker. Search by model or provider name, optionally by family. params: query, family, toolCalling, vision, structuredOutput, noCard, limit |
recent_changes | What was listed, verified, changed or expired recently, newest first. params: since, kind, hub, page, limit |
upcoming_deadlines | Offers whose free deal ends within N days (default 30), soonest first: slug, name, provider, expiryDate (last day, UTC), endsAt, daysLeft and the offer url. The data behind aifree.dev/calendar; same filters and paging as GET /api/v1/deadlines. "listed" rows are not yet verified by a person. params: hub, provider, withinDays, page, limit |
best_lists | The published "best free X" top lists of aifree.dev/best: title, description, dates and the picks in order. Same data as GET /api/v1/best; call best_list for one list with links, FAQ and sources. params: none |
best_list | One published top list by slug (see best_lists): the picks with links, FAQ, sources and the Markdown body. Same data as GET /api/v1/best/{slug}. params: slug* |
list_models | Every model some live free offer serves (the data behind aifree.dev/model and GET /api/v1/models), most free sources first: slug, family, vendor, context window, tool calling, vision, JSON mode, open weights and how many free sources serve it. Filter by name, family, provider, capability or minimum context; then call get_model for the sources and rate limits. params: query, family, provider, vision, toolCalling, minContextK, page, limit |
get_model | One model by slug (an alias slug resolves to the canonical one) with every live free source: offer, provider, verified or listed, card rule, context and the published rate limits (rpm, rpd, tpm, tpd, rpmo; null = not published). Same record as GET /api/v1/models/{model}. params: slug* |
list_providers | Every provider with public offers: slug, offer count, categories, free types and its offers with status and URL. Same data as GET /api/v1/providers. params: none |
build_stack | The aifree.dev/stack builder: for a template (chat, rag, image, voice, agent, finetune) one free pick per slot (llm, emb, vec, host, gpu, tts, stt, image) with alternatives, the tightest published LLM requests per day, cards and programs to watch, and a shareable URL. Optionally pin a slot to an offer slug, require no card, or limit to a country. params: template*, picks, noCard, region |
calc | The aifree.dev rate-limit calculator: for req requests a day of about tok tokens, every free LLM API tier with a verdict (fits / short / not-published), its daily capacity, and a combo when no single tier fits. Same data as GET /api/v1/calc. params: req*, tok, noCard, toolCalling, family, offer |
get_status | aifree.dev own status: overall verdict, 30-day uptime, per-path checks and background job health. Same report as GET /api/v1/status. params: none |
compare_offers | A markdown comparison table (provider, what is free, limits, card rules, catch, expiry, status) for 2-8 offer slugs. params: slugs* |
check_eligibility | Use when someone asks what free AI they qualify for given who they are, e.g. "I am a student in Vietnam with no credit card, what free AI can I get?". Same rules as the aifree.dev/unlock quiz: student and startup programs only when the profile says so, no-card drops offers that ask for a card, country drops offers recorded as other-countries-only (offers with no recorded region stay in and are cou params: student, startupStage, country, noCard, building, limit |
is_free | Answers "is <brand, model or product> free?" from the verified catalog: free (true, false, or null when the name is unknown), a one-paragraph answer with the check date, the best verified offer (main limit, card rule, who qualifies, verified date) and the aifree.dev pages to cite. Unknown names return a search URL. Same record as GET /api/v1/is-free?q=. params: name* |
ask_aifree | A short answer about free AI offers grounded in the verified catalog, citing only offer slugs it was shown. Declines questions outside the catalog. Cached per question for 24 h; subject to a daily budget. params: question* |
Entries describe changes in tool definitions. They are not statements about a server, its quality or its author. The grade measures how the tool definitions fit model providers (token cost, schema compatibility, confusable names) as scored by the ToolFit engine at the time of the listing. JSON: append .json. Opt-out: how or hello@youraitools.co.