sigil
Robinhood ChainOpen app

Sealed thinking.
Signed proof.

Hand Sigil a goal. It plans the steps, calls live tools for the facts, and hands back the finished work with a signed run receipt.

Answering today · free models on OpenRouter
  • Nemotron 3 Ultra
  • Gemma 4 31B
  • Nemotron 3.5 Super
  • Gemma 4 26B
Start a task
Example run · Research
Example task

Rank the top 5 RWA protocols by TVL and write me a one-page brief.

Agent mode
Tools Live
  • Public web pages
  • Prices from CoinGecko
  • TVL from DefiLlama
Steps · tool calls
  1. Pull RWA TVL from DefiLlama
  2. Read each project's docs
  3. Write the brief with sources
Result · Nemotron 3 Ultra

A ranked table with TVL from DefiLlama, a paragraph per project, and a link for every figure.

Run receipt · SHA-256 chain, Ed25519 signature
01 / 04 · ExampleRank the top 5 RWA protocols by TVL and write me a one-page brief.

You hand Sigil a goal, a free model plans the steps and calls live tools, and the work comes back with a receipt

Example run1 / 4
  1. 01 · Your goal
    In your browser

    Compare the top 5 RWA protocols and write me a one-page brief.

  2. 02 · The model
    Sigil Auto picks one
    • Nemotron 3 Ultra for agent tasks
    • Gemma 4 31B for quick chat
  3. 03 · The run
    Live tool calls
    • defi_data · RWA TVL
    • read_page · project docs
  4. 04 · Receipt
    Signed on the server

    Brief ready, sources linked. A SHA-256 chain over every step, signed with Ed25519.

Hand it a task.
It thinks it through.

Agent mode plans the steps, runs them one by one with live tools, and shows every tool call as it happens. The cards below are examples of what a run looks like.

Try Agent mode
Agent mode

  • Breaks a task into steps, then runs them.

    Plan · 4 stepsExample
    1. Pull the TVL figures
    2. Read each project's docs
    3. Check each figure against its source
    4. Write the brief

  • Researches with live tools and cites them.

    Tool callsExample
    defi_data RWA TVL
    read_page project docs
    token_price CoinGecko

  • Reads tokens and wallets on Robinhood Chain.

    chain_read · Robinhood ChainExample
    Name, symbol and decimals
    Total supply
    A wallet's balance of the token

  • Does the maths exactly, not from memory.

    calculateExample
    2,400,000 × 0.0031 = 7,440
    (7,440 − 6,900) ÷ 6,900 = 7.83%

  • Signs a receipt for every agent run.

    Run receiptSigned
    SHA-256 chain
    Each step hashed · Ed25519 signature

Private by default,
signed on every run.

  • No account

    Open it and ask.

    No name, email, phone or wallet. Open the agent and hand it a task.

  • Named models

    You see who answers.

    Each request goes through OpenRouter to the free model named on the answer, which reads the task to answer it.

  • Signed receipts

    Proof the record held.

    Agent runs end with a SHA-256 hash chain signed with Ed25519. Anyone can check a signature at /api/receipt.

  • Your browser

    History stays with you.

    Chats are saved in this browser's storage. Sigil's server keeps no chat history.

How Sigil runs today
  • Zero trackersNo cookies, analytics or ads on this site.
  • Public reads onlyThe dashboard reads a public address; there is nothing to sign.
  • Fair hourly limits10 agent runs and 60 chats an hour per visitor.
  • Open about the stackThe transparency page lists what runs where.

$SIGIL on
Robinhood Chain.

The contract is live. The holder dashboard reads it straight from the chain: supply, balances and every burn.

Ticker
$SIGIL
Chain
Robinhood Chain
Status
Live
Planned · holder program
  • 1 a dayvoucher for every 1M $SIGIL
  • 100K$SIGIL to start earning
  • +20–25%credit when you pay in $SIGIL
  • Up to 30%off top-ups while you hold
Planned · the token loop
  1. HoldEarn a daily voucher
  2. Spend20–25% more credit
  3. BurnToken payments feed the burn
  4. BuybackRevenue buys back and burns
Open the holder dashboard Transparency

Answering today,
free on OpenRouter.

Sigil Auto picks one of these for each task, and every answer names the model that wrote it.

  • Nemotron 3 UltraNVIDIA · freeAgent tasks and analysis
  • Gemma 4 31BGoogle · freeQuick chat
  • Nemotron 3.5 SuperNVIDIA · freeBackup for agent tasks
  • Gemma 4 26BGoogle · freeBackup for chat

Next,
on the roadmap.

Planned work, in no fixed order. Each item moves to the transparency page as Live when it ships.

  • Planned · Sealed runs

    Tasks sealed for a hardware enclave.

    Your browser checks the enclave's attestation, seals the task to a key only the enclave holds, and the receipt is signed inside it.

  • Planned · Premium models

    Frontier models beside the free ones.

    • Claude Opus 5.5
    • GPT-6.1 Sol Pro
    • Gemini 4 Argon
    • Grok 4.7
    • Kimi K3.1 Pro
    • DeepSeek V4 Pro
    • GLM 5.3 Prime
    • Qwen3.8 Max Prime
  • Planned · Always on

    Schedules and on-chain watchers.

    Tasks that run every morning, and rules that watch a wallet, a contract or a price and tell you when they fire.

  • Planned · API

    An OpenAI-compatible API and SDK.

    The same agent and receipts, for your own apps.

    Read the roadmap