Robyn — Gasless Cross-Chain for AI Agents

Reliability

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "robyn-gasless-cross-chain-for-ai-agents": {
      "type": "http",
      "url": "https://api.anygas.xyz/mcp"
    }
  }
}

87 tools

• robyn_privacy_posture

  ONE read that tells you, for a chain and for the lane you reached Robyn on, exactly what stays private (relay lane, PQ transport, private mempool / sequencer) and what is still public (on-chain settlement, stealth is not PQ), the live mode of every privacy feature (messaging v2…

• robyn_receipt_deliver

  Hands a relayer-signed settlement receipt (from robyn_settle / a completed route) to the counterparty's sealed messaging-v2 mailbox, so they get verifiable proof (terms honored, authorized, clean provenance) WITHOUT ever contacting Robyn. Same wire shape as any message…

• robyn_receipt_verify

  Checks digest + relayer signature + signed terms of a receipt you received (e.g. opened from your v2 mailbox). Read-only.

• robyn_mesh

  List the Robyn gasless chains and the cross-chain route graph (22 EVM nodes + Stellar), plus the relayer/Permit2 addresses. No credentials needed.

• robyn_quote

  Best gasless route to move a token from one Robyn chain to another. Returns estimated output, the bridge used, duration, and the Robyn fee. Read-only — moves nothing. IMPORTANT: check `quoteOnly` on the response. If it is true the corridor can be PRICED but NOT settled — execute…

• robyn_settle

  The one-verb primitive. Say where value should go; Robyn returns the best route (all rails compared), the gasless method (no native token needed), the privacy posture that will apply (API-relay + private mempool where available + uniform shape), and what the settlement receipt…

• robyn_attestation

  Returns a relayer-SIGNED attestation that, as of a signed timestamp, every component was up (router, signing daemons, MCP, privacy relay) AND the privacy invariants held — the adversary probes could not distinguish cover traffic from real (classifier = chance) and the…

• robyn_preflight

  Run this before robyn_prepare/robyn_submit. Returns decision GO or NO_GO plus typed `blockers` (each with a `fix`) and `warnings`. It catches, for free, the failures that otherwise cost gas: a fixed corridor fee that would consume the whole amount so nothing arrives, a recipient…

• robyn_vip_status

  Check whether an address holds a recognised member NFT and what it gets. Members pay ZERO on cross-chain transfers of $0.10-$25 to low-cost chains, 15bps instead of 25bps routing, and 10% instead of 25% gas markup. Read-only. Call this before quoting for a user so you can tell…

• robyn_route_status

  Status of an in-flight route by id (BRIDGING → DONE), with the destination tx once delivered.

• robyn_cross_chain

  Plan a gasless cross-chain move and get the exact payload to sign. This hosted server never holds your key: call this, sign what it returns with your own wallet, then call robyn_submit to have the relayer broadcast it and pay the gas.

• robyn_prepare

  Turn a plain-language or structured intent into a concrete plan plus the EXACT payload to sign. Costs nothing, moves nothing, needs no key. Returns status:"sign" with signRequest, or status:"quoted" if something is still missing.

• robyn_sandbox_do

  Runs the identical path end to end against the sandbox: no key, no funds, no broadcast. Use this to prove an integration works before touching real money.

• robyn_submit

  Relay an intent you already signed. The relayer broadcasts it and fronts all network gas; your account needs no native token. Build `permit2` from robyn_prepare: sign its signRequest.eip712 payload (canonical Permit2 domain + PermitTransferFrom/TokenPermissions types) and pass…

• robyn_netting_info

  Explains the opt-in netting ledger: transfers between two ENROLLED accounts settle as a book entry — no chain, no gas, no fee, instant, at ANY size including amounts below every per-chain cost floor. CUSTODIAL — this is the ONE part of Robyn that holds your balance; every other…

• robyn_netting_account

  Whether an address is enrolled (and therefore custodied), its internal balance, recent history, and `nextNonce` — which you MUST use when signing the next transfer or withdrawal. An address that never enrolled is reported as not custodied. Read-only.

• robyn_netting_preview

  Free and read-only. Given an amount, ranks EVERY exit chain by what actually arrives after the destination payout cost is deducted. Those costs differ by more than 1000x (Avalanche delivers ~$0.99994 of a dollar; Linea ~$0.927), so which chain you leave on is a real decision…

• robyn_netting_statement

  Internal transfers produce NO transaction hash because no transaction occurs — this append-only journal is their only record. Never truncated; page with `before` (a seq number). Use this when a user asks to verify or dispute an internal payment, since there is no chain to check.

• robyn_netting_reserves

  Publishes what Robyn OWES across all netting accounts against the real relayer float backing it, per chain. Solvency is checkable rather than asserted. Deposits are refused if they would push liabilities above a safe share of the float. Read-only — a user considering a custodial…

• robyn_netting_enroll_payload

  Returns the EXACT message the account must sign with its OWN key to open a custodial balance. This endpoint holds no key and enrols nobody — it returns the text; the user signs it, then POST {address, signature} to /api/netting/enroll. CUSTODIAL — this is the ONE part of Robyn…

• robyn_netting_transfer_payload

  Returns the exact string to sign, with the correct next nonce, for a free instant transfer between two ENROLLED accounts. Signs nothing and moves nothing — the sender signs the returned message, then POSTs {from,to,amount,nonce,signature} to /api/netting/transfer. BOTH parties…

• robyn_counterparty_check

  Your OWN payment history with a recipient address: how many times, how recently, and whether this amount is typical. Call it before paying an address you have not confirmed. THIS IS NOT A REPUTATION SCORE and says nothing about whether the address is honest. A familiar address…

• robyn_preflight_full

  ONE call combining serviceability, routing competitiveness, cheaper alternatives, delivery basis and mandate budget into a single go/no-go. Call this before executing rather than making five separate checks. BLOCKERS AND WARNINGS ARE DIFFERENT. `blockers` WILL fail — do not…

• robyn_integration_lint

  Post the request you INTEND to make and get back what is missing or unsafe, with the concrete consequence. Run this before your first live execute. Findings marked `unsafe` can lose money or make you report something untrue — fix them, do not proceed. IMPORTANT: it lints the…

• robyn_recipes

  Ordered playbooks for real goals: pay-someone-safely, prove-what-i-spent, spend-within-a-budget, handle-failures-well, stay-current. CALL THIS BEFORE IMPROVISING A SEQUENCE. Each step says what it answers, what to do with the answer, whether it is optional, and what skipping it…

• robyn_changelog

  Machine-readable API history. Pass the version your integration was built against as `since` and you get only what has changed after it, with an explicit `breaking` flag on each entry. CHECK `mustAct` FIRST: if true there are breaking changes and an existing integration may…

• robyn_errors

  The full error taxonomy: every errorCode, whether it is retryable, and the suggested recovery action. Read this once and branch on errorCode instead of parsing messages.

• robyn_verify_outcome

  Check what ACTUALLY happened to a settled transfer, against the destination chain rather than Robyn's own database. Optionally assert who should have been paid (`recipient`) and the minimum that should have arrived (`minAmount`); we decode the payout transaction's ERC-20…

• robyn_plan

  Validate a WHOLE multi-step workflow up front instead of one hop at a time. Fees and durations accumulate across steps. Evaluation stops at the first unroutable step rather than reporting speculative results behind it. If the plan cannot work, the response names the BINDING…

• robyn_spend_statement

  A statement of every transfer in a window with each fee broken down, SIGNED by Robyn's relayer key (EIP-191). Use this when you must PROVE to a principal what you spent — your own summary is a claim by the party being audited, but this is verifiable against a published address…

• robyn_fee_forensics

  Reconstruct a settled transfer unit by unit: destination payout gas, Robyn margin, or a Robyn SUBSIDY where Robyn absorbed a loss. Each line names who was paid and how the figure was derived. Anything that cannot be attributed is returned as `unattributed` rather than folded…

• robyn_delivery_stats

  How long settlements ACTUALLY take, per rail and per corridor — not a single advertised constant. CHECK `basis`/`status`: below the sample threshold this returns `insufficient-data` and the figure is a static ESTIMATE, not a measurement. Say which you are quoting when you tell a…

• robyn_mandate_events

  Poll for spend, nearly-exhausted, exhausted, approval-required and revoked events on a principal's mandates. Pass the returned `cursor` back as `since` for only what is new. Use this to tell a principal their budget is running low or that a large payment is waiting on their…

• robyn_mandate_list

  List all mandates granted by a principal address, with remaining budget, co-sign threshold, expiry and revocation state. Use this before telling a user they are safe: live mandates can still be drawn against WITHOUT further approval, and a forgotten grant is the one that hurts…

• robyn_mandate_cosign_request

  For mandates with a co-sign threshold, check whether a specific spend needs the principal to approve it and get the exact digest they must sign. The digest binds the mandate, the transfer AND the amount, so an approval cannot be reused for a different payment — do not attempt to…

• robyn_mandate_certificate

  A signed certificate listing every spend counted against a mandate, the budget, the total spent, and whether it stayed inside. Hand it to the principal at the end of a period. Every spend listed was VERIFIED ON-CHAIN before counting, and the amount is what the chain showed…

• robyn_mandate_check

  Check a proposed spend against a signed spending mandate BEFORE making it. Returns WITHIN_MANDATE, EXCEEDS_MANDATE or EXPIRED plus the remaining budget. If EXCEEDS_MANDATE, do NOT split the spend into smaller pieces to get under the limit — that defeats the control your…

• robyn_mandate_status

  Remaining and consumed budget for a signed mandate. Consumption counts ONLY transfers verified on-chain, so the figure cannot be inflated by claiming spends that did not happen.

• robyn_improve_cost

  Turns a price into a decision. Returns concrete, QUANTIFIED changes — a cheaper destination chain with the exact saving, the size at which a fixed payout cost stops dominating, whether the instant float lane applies, and whether rails that would have competed were unavailable…

• robyn_why_this_route

  Returns the full routing decision: every rail that quoted, what each would deliver, the margin the winner won by, and which rails stayed SILENT and why. Signed, so you can archive the rationale. CHECK `wasCompetitive` BEFORE TELLING A USER THE PRICE IS GOOD. If it is false…

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