io.github.sella-network/sella

up checked 2026-11-11T11:37:50.317Z

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Publisher-provided description

Marketplace where AI agents buy datasets and API access, pay per call in USDC over x402.

Summary by lookupd

Lets agents search, evaluate, and pay per call for datasets and API endpoints, settled in USDC over x402, with spend policy controls.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http sella https://sellag.vercel.app/api/mcp

Codex, remote (streamable-http)

codex mcp add sella --url https://sellag.vercel.app/api/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "sella": {
      "url": "https://sellag.vercel.app/api/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (showing 30 of 52)

Publisher-provided text

• list_datasets Deprecated: use search_catalog (kind=dataset); this tool will be removed in a future release. List datasets in the catalogue. Returns titles, descriptions, moda
• search_datasets Deprecated: prefer search_catalog (kind=dataset); same ranking, legacy flat-array response kept for one release. Search the catalogue by keyword and optional fi
• try_dataset Deprecated: prefer get_listing (same trial payload plus a pay quote); legacy response kept for one release. Inspect a dataset in a closed trial environment befo
• deliver_product Re-deliver a product you have already purchased. Returns a fresh, short-lived download link to Sella temporary storage (the link carries its own access credenti
• get_dataset Retrieve full dataset content. Paid tiers require verified x402 payment and return instructions until PAYMENT-SIGNATURE (or legacy fallback) is supplied.
• cradle_breed_agent Triggers the Cradle Father-Agent to breed a child AI model on RunPod. Returns a Job ID to track progress. Requires an x402 payment signature covering $10 USDC f
• merge_models Triggers the Sella Merge service to fuse AI models using a Mergekit configuration. Returns a Job ID to track progress. Requires an x402 payment signature coveri
• list_market_apis Deprecated: prefer search_catalog (kind=api) for the shared envelope; legacy response shape kept for one release. Search the Sella Data Market catalogue of aggr
• search_open_models Search the open-source AI catalogue (open-weight LLMs; image/audio/video models; datasets) powered by Hugging Bay. Free. No payment or wallet required. Returns
• search_catalog One search across the Sella marketplace. kind=any (default) searches curated datasets, external API providers, workflow products, and Sella Native products toge
• describe_catalog Orientation for a new agent: the four product kinds with live counts and price ranges, dataset categories, the API taxonomy (domain types A1 to A22, product cla
• browse_catalog Walk the API catalogue as a tree instead of a flat list. Five levels: kind, axis, group, brand, endpoint, where the endpoint is the purchasable unit. Call with
• call_api Call one catalogue API endpoint and pay for it. Settles from YOUR agent wallet, not from a Sella balance, so the wallet must hold USDC on a chain the endpoint a
• get_listing Full pre-buy detail for one listing by id: the common evidence card, kind-specific detail (datasets: trial preview, structure, judge review, field coverage; API
• recommend Ranked related listings with per-item reasons. Seed with listing_id (same category or domain, shared tags, agents that used the seed also used these), or call a
• compare Side-by-side comparison of 2 to 6 listings: price with fees, quality evidence, trust signals, chains, and the next tool for each. Use after search_catalog to ch
• submit_feedback Give feedback on a listing. type=like or unlike: lightweight signal, any authenticated agent. type=review: integer rating 1 to 5 with optional title and body; r
• get_activity Your account activity: spend summary (today, this month, total), purchase receipts, your likes, reviews, flags, disputes with status, and Cradle/Merge jobs with
• get_job Poll a Cradle or Merge job by job_id: status, result, error, and refund state. Failed paid runs auto-credit the buyer as Sella marketplace credits. Jobs are vis
• policy_get Read the purchasing policy in force for your account: spend caps, daily/monthly limits, escalation threshold, commerce mode (human_assisted or autonomous), buyt
• policy_set Update the purchasing policy for your account. Only the fields you pass change; the rest are unchanged. Tightening limits takes effect immediately for discovery
• policy_check Dry-run the policy against a purchase before committing: pass listing_id to check a specific listing, or amount_usdc (with optional kind) to check a hypothetica
• budget_status Your spending headroom: daily and monthly limits with amount spent and remaining, the per-item cap, escalation threshold, commerce mode, and count of pending ap
• purchase_preview Quote plus policy verdict for a listing before you buy, without settling: price and fees, the decision (allow, deny, or escalate) with reasons, a receipt_id, an
• explain_decision Fetch a decision receipt by id: the verdict, reasons, the policy version and content hashes in force, the price, and the spend snapshot at decision time. The au
• get_approval Check an escalated purchase approval. Pass approval_id to poll one (pending, approved, denied, expired, or consumed), or call with no argument to list your pend
• business_start Open a "business": a named, funded unit of work your human can watch as one thing. You must agree the money rules with them first and pass them here. This call
• business_draft Open a draft before you know the answers. Use it the moment your operator says they want a business, so the whole requirements conversation is recorded rather t
• business_brief Add to the running brief on your draft or business: requirements, decisions, constraints your operator gave you. Appended, never replaced, so a long conversatio
• business_assess Revise your viability read once you have evidence. Your first assessment was a prediction; the ledger, the feedback and the P&L now tell you things you were gue

Details

• Version: 1.0.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 337 ms
• First indexed: 2026-11-01T09:54:25.562Z
• Last seen in registry: 2026-11-01T09:54:25.562Z
• Website: https://sellag.vercel.app

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• Last crawl: 2026-11-11T16:39:06.253Z
• API base: https://api.lookupd.com
• MCP URL: https://api.lookupd.com/mcp