RG

Robyn — Gasless Cross-Chain for AI Agents

io.github.ox31461/robyn

Gasless cross-chain for AI agents: 25 nodes incl. Solana & native Bitcoin. One signature, no gas.

Yes, your AI can use this right now.Answered a live MCP handshake in 371 ms with no sign-in needed and exposes 87 tools.

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URL: https://api.anygas.xyz/mcp

87 tools, verified live

Pulled straight from the server with tools/list on 2026-10-18.
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, Plus, netting-set shadow/live, cover rows), and how to raise your quota WITHOUT an identity (a blind Plus pass instead o

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; content-hash idempotent. Only receipts signed by this relayer are accepted.

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 will refuse it with UNSUPPORTED_DIRECTION — so present that quote as a price comparison only and do not tell the u

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 will prove — in a SINGLE call. It collapses quote + preflight + prepare. Planning only: it never broadcasts — sign + s

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 k-anonymity floor is enforced. Verify the signature yourself (recover the signer over the digest). Use this to programmatically d

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 in the wrong address family, a corridor that can price but not settle, and a transfer above the instant lane's capacity

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 them accurately what a transfer will cost — and, if they are not a member, what holding a recognised NFT would save them

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 the OBJECT below - not a bare signature string. The signed spender must be the relayer from signRequest.spender, otherwise

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 tool here moves funds without Robyn ever holding them. Tell the user that plainly before they enrol. Read-only. Retur

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. Pass toChain to price one chain and learn whether it would succeed at all. Internal transfers between netting accounts rema

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 balance should be shown this.

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 that holds your balance; every other tool here moves funds without Robyn ever holding them. Tell the user that plainly

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 must already be enrolled: Robyn will not hold a balance for a recipient who never consented, so to pay an unenrolled add

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 is NOT a safe address — keys get compromised. Never tell a user an address is "trusted" or "safe" on the basis of this.

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 attempt the transfer. `warnings` are things to tell the user or act on first; they do not prevent execution. Never present

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 REQUEST only. A clean lint does NOT mean your integration is correct — it cannot see whether you branch on all three ver

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 costs. Steps marked optional:false should not be skipped — `skippingCosts` explains the concrete harm, not a style pref

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 ALREADY be failing — read `entries[].action` for each. `breaking:true` means an existing correct integration could stop wor

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 Transfer logs and report whether reality matches. Also cross-checks Robyn's own receipt against the chain and says so if the boo

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 CONSTRAINT and the value that would work (`bindingConstraint`, `whatWouldMakeThisWork`) — use that to adjust rather than re

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 without trusting you or Robyn. Read `limitations` and repeat them: the statement covers the Robyn float lane only and ex

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 into another line — if you see that field, report it rather than presenting the breakdown as complete.

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 user how long something will take.

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 approval, instead of making them check each mandate by hand.

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. Anything they no longer intend to honour should be revoked.

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 reuse one. If a large spend is refused for want of a countersignature, present the digest to the principal rather than

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 arrived — not what the agent reported. IMPORTANT WHEN PRESENTING IT: this certifies adherence to a ROBYN budget. It does NOT

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 principal set. Ask them to raise the budget. NOTE THE SCOPE: a mandate covers spending THROUGH ROBYN only. It is not custody an

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. CRITICAL: suggestions with `changesOutcome: true` move WHERE THE MONEY LANDS. Never apply those silently as cost savings

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, exactly one rail answered and "best" means "only" — it did not beat anything. Rails in `silentRails` did NOT lose; they fai

robyn_capability_snapshot

A signed, timestamped record of current capability: which chains can actually be PAID OUT ON right now, which are merely policy-eligible, which rails are execute-ready, and whether delivery figures are measured or estimated. USE `serviceableNow`, NOT `policyEligible`, when deciding where to send funds — a chain can be eligible by policy while holding no inventory, in which case the instant lane

robyn_evidence_bundle

Assembles EVERYTHING about a settled transfer in one call: the on-chain verification, the unit-by-unit fee breakdown, what the alternative route would have cost, and whether the delivery time is measured or estimated — signed as a whole. This is the artefact to hand to a principal who was not there; swapping any component invalidates the signature. READ `verdict` BEFORE PRESENTING IT: the bundle

robyn_payment_request_prepare

Build a canonical payment request (payee, chain, token, amount, memo, expiry) and return the digest for THE PAYEE to sign with their own wallet. Robyn does not sign these and holds no payee keys — a request signed by Robyn would prove nothing about the payee. Use this when an agent needs to ASK another agent for money in a way the payer can actually check.

robyn_payment_request_verify

ALWAYS run this before paying a request you received. It confirms the payee address, chain, token and amount were signed by whoever controls the payee address, and that the request has not expired. If `signedByPayee` is false, DO NOT PAY — that is what an altered payee address looks like, and address substitution is the most common theft in this space. A valid signature proves AUTHENTICITY, not

robyn_payment_request_settlement

After paying, prove it: re-checks the transfer against the DESTINATION CHAIN and confirms the payee was paid at least the amount requested. Returns paid=true only on a verified on-chain result; paid=null means undetermined, which is NOT evidence you satisfied the request.

robyn_refusal_verify

Check a signed refusal receipt. Send header `x-anygas-receipt: 1` on any request and, IF Robyn refuses it, the error response carries a signed `refusalReceipt` recording what was asked, when, and why. This matters because when a provider says no, the AGENT gets the blame — a receipt lets you prove to your principal that you were blocked externally rather than simply failing. It proves the refusa

robyn_7702_delegate

The canonical Robyn EIP-7702 batch-executor delegate: its address on each of the 22 EVM chains, the ABI, and the EIP-712 scheme for executeSigned. Delegate to this and the relayer can sponsor your transactions. Read-only.

robyn_7702_check

Check that a signed EIP-7702 authorization tuple recovers the expected account, and whether its nonce matches the live account nonce. Free, read-only, moves nothing.

robyn_sponsor_7702

Price or request an EIP-7702 sponsored transaction: Robyn submits your signed authorization as a type-4 transaction and PAYS THE GAS, so your account needs no native token. Over this HOSTED endpoint the call is a DRY price-check (returns estGas, priceUsd and the exact envelope) — paying the x402 invoice to broadcast requires calling POST /api/7702/sponsor directly with an X-PAYMENT header.

robyn_yield_account

An agent's own Aave v3 / Moonwell position (aUSDC/mUSDC) per chain + the capped allowance it granted the relayer + live APY (best-yield auto-selected). Non-custodial: funds stay in the agent's wallet, Robyn holds no key and no pool.

robyn_yield_quote

Read-only JIT quote: how a spend would be fulfilled from an agent's Aave yield venue (draw <= your allowance -> Aave/Moonwell withdraw -> gasless deliver). Moves nothing.

robyn_yield_spend

Spend from your yield (Aave v3 or Moonwell) with ONE EIP-712 signature: Robyn pulls only up to your on-chain aUSDC/mUSDC allowance, unwinds exactly what is needed, and delivers gaslessly; the remainder keeps earning. This HOSTED endpoint is READ-ONLY: it returns the exact EIP-712 intent to sign + a live quote. To execute, sign it and POST {intent,signature,live:true} to /svc/api/ncaccount/spend, o

robyn_message_info

Sonar — PRIVATE · SEALED · POST-QUANTUM MESSENGER (broadcast to everyone, understood by one, remembered by none). Hybrid ML-KEM-768+X25519 encryption, a one-time stealth handle per message, fixed-size ciphertexts, 60 s release grid. The server stores only (ephemeralPubKey, viewTag, ct) — no sender, no recipient, no IP. Returns mode, ciphertext sizes, release grid, cover-row rate and the hone

robyn_message_directory

Every published v2 mailbox. PUBLIC rows carry {address, metaAddress, kemPub}; PRIVATE rows (the default since 2026-08-28) carry {handle, metaAddress, kemPub} and deliberately NO address. Identical for every reader, so fetching it reveals nothing about whom you intend to message — pick the recipient locally. Seal with the SDK: seal({metaAddress, kemPub}, {text, ts, from?, sig?}). Read-only.

robyn_message_mailbox_of

For a Robyn name or NULL handle the server must resolve it, so this reveals your intended recipient to the server — prefer robyn_message_directory when you have an address. Returns {address|handle, metaAddress, kemPub} (private-handle rows carry no address by design). Read-only.

robyn_message_send

Relays a message you sealed locally with /svc/msg2-sdk.mjs (seal(mailbox, inner) → {ephemeralPubKey, viewTag, ct}). This tool cannot encrypt for you: sending plaintext here would expose it to the relay, so it only accepts the sealed triple. Replay-idempotent (a resend returns duplicate:true). The message appears in the public feed at releaseAt. If you cannot run the SDK, use v1 (POST /api/messag

robyn_message_feed

Returns released rows {id, ephemeralPubKey, viewTag, ct, releaseAt, nextAfter}, identical for every reader. Scan locally with the SDK (inbox(identity)) — checkStealthAddress with your viewPriv, then open ct with your KEM secret. Page with after=<nextAfter> (exact compound cursor — never skips same-tick rows); since=<releaseAt ms> also works but is best-effort at page boundaries. Read-only.

robyn_message_publish_mailbox

Registers a mailbox so others can seal to you. PRIVATE BY DEFAULT: the server stores only a salted hash of your signing address — pass `handle` to be reachable by name (agents get the same handle claim browsers have), or `public:true` to bind your bare 0x address in the open directory instead. Generate keys locally (SDK createIdentity(); keep spendPriv/viewPriv/kemSecret secret — this server m

robyn_plus_info

Plus sells capacity (rate-limit-exempt sends), funded cover rows and signed/anchored Merkle proofs — never a "more private lane" (that would be a smaller crowd). Paid in ETH (Robinhood Chain, Ethereum, Arbitrum, Base), USDC (Base, Arbitrum) or BTC (Chainflip). Redeemed with RFC 9474 blind passes the server cannot link to any payment. Returns products, assets, the mint public key (JWK) and honest

robyn_plus_invoice

Creates an invoice for one bundle (500 passes, $3 quoted in the chosen asset). Returns {invoiceId, payTo, amount (base units), human, chainId, expires}. Pay from any wallet; then blind tokens locally with the SDK and call robyn_plus_claim. For btc pass refundAddress (your BTC address) — the invoice returns a Chainflip deposit address.

robyn_plus_invoice_status

Status, remaining passes and payment details for an invoice. Read-only.

robyn_plus_trial

Try Plus before paying: submit up to 20 BLINDED tokens (base64, from plus-sdk blindTokens()) and receive blind signatures — identical BLINDED passes to paid ones (the server never sees a pass; unlinkable to the claim only once the Plus mint key is pinned in the witness-chained head, K3, and only to the IP if the claim rides Tor — claims use the direct lane). One trial per day per caller. Unbli

robyn_plus_claim

Submit BLINDED tokens (base64, from plus-sdk blindTokens()) with the payment txHash. Payment is verified on-chain (recipient, amount, confirmation; one tx pays one invoice), then each blinded token is signed blind. Unblind locally (plus-sdk claim() does all of this). This tool never sees an unblinded pass.

robyn_message_anchor_proof

Merkle inclusion proof for an anchored row id: leaf, path, root, the signer’s EIP-191 signature over the batch statement and the on-chain tx when enabled. Verify locally with plus-sdk verifyAnchorProof(). Read-only.

robyn_message_erasure

The last purge statement (expired count, cumulative, root of purged ids) signed by the operator. Read-only.

null_ecosystem

The live NULL manifest: every product (messenger, Pay, Vault, Drop, Legacy, Agent Wire, forward secrecy), its status, its page, the wired/proposed integrations between them, the security spine, and the concept pipeline. This is the same single source of truth the owner console and the human Suite read — a new product that ships appears here automatically. Pair it with null_agent_guide for the ho

null_names_quote

Quotes a handle: 3ch $512/yr, 4ch $128/yr, 5-6ch $4/yr (deliberately under ENS), 7+ characters FREE forever. Includes live state (available/registered/grace/premium with the 21-day Dutch decay) and the exact register->pay->claim steps. Names are public by definition - quoting one reveals nothing.

null_names_market

Live listings of premium handles for sale, plus the full deal protocol: agree peer-to-peer in a sealed chat, pay stealth or via NULL Escrow 2-of-3, then finalize with the dual-signed (secp + ML-DSA) witness-chained transfer and a 2% ($1 min) fee receipt. Listing your own handle: sign null-name-list/v1|name|priceUsd|ts with your identity spend key and POST /api/nullnames/list.

null_prekeys_fetch

Fetches {spk, sigSpk, otk, otksLeft} for a recipient so you can start an X3DH-PQ forward-secret session (SDK: fs.startOutbound). ALWAYS fetch by META-ADDRESS: the sigSpk check verifies against the meta-address spendPub (sha256("null-fs-spk/v1:"+spk), secp256k1) and CANNOT run on a handle fetch (the SDK tags those fsUnverified — treat as unauthenticated keys). The nonce is MANDATORY and idempoten

null_prekeys_publish

Makes you reachable with forward secrecy: publishes your signed prekey bundle (medium-term spk + one-time otks) so peers can start X3DH-PQ sessions TO you. Generate and sign locally with the SDK (fs.genBundle + publishPrekeys — sigSpk is secp256k1 over sha256("null-fs-spk/v1:"+spk) by your spend key; sig is EIP-191 over the bundle statement). The server VERIFIES sigSpk against the meta-addressâ€

null_balance

Reads an address balance through the NULL server-side RPC proxy, so YOUR IP never reaches any public RPC provider (this host queries upstream from its own address). BE HONEST ABOUT THE TRADE: querying a stealth address you derived LINKS that address, your session, and the time of interest AT THIS RELAY — exactly the linkage stealth addressing hides from everyone else. Nothing reaches the RPC abo

null_notarize

Proof-of-existence: hash the document LOCALLY (sha256, 64 hex) and send only the hash. The issuer countersigns {h, ts} with ML-DSA-65 (post-quantum); ts is SERVER-assigned. Optional owner endorsement: ownerAddr + ownerSig = EIP-191 over "null-notary/owner/v1|<h>"; if you add ownerMeta and that identity publishes a PQ key, ownerSig2 (ML-DSA over the same string) is REQUIRED. Proves existence-by-tim

null_prov_issuer

Returns the post-quantum issuer public key that countersigns notary attestations, provenance mints and the witness-log head. Pin it once and verify everything against the pinned copy - a proof should never carry the key it wants to be checked against. Public on every lane.

null_prov_mint

Relays a provenance request you signed LOCALLY (SDK mintProvenance builds it): {meta, claim, ts, sig, bind, sig2}. A post-quantum identity MUST include sig2 (ML-DSA) or the issuer refuses. The issuer checks your signature + identity binding and countersigns - the claim is REGISTERED, not endorsed. ts must be current epoch-ms (+-10 min); claim values <=200 chars. Private-lane-only: use the stdio do

null_login_verify

Stateless dual-signature check (secp256k1 + ML-DSA-65) of a NULLAUTH1 assertion for YOUR rp domain and the ONE-TIME challenge YOU issued; returns {ok, psid, mode, named, meta, handle(claim)}. Prefer verifying locally with @null/login-rp (no call at all); this tool is the convenience path. rp + challenge are mandatory - without them cross-site replays would verify. A named handle is a CLAIM until c

null_witness_head

ML-DSA-signed head {seq, root, sig} of the append-only log that binds every mailbox record (slot|meta|kemPub|ts). Signed by the SAME issuer key as null_prov_issuer. Keep the last head you saw; a later head must extend it (null_witness_range) - a fork is proof of equivocation. Public on every lane so third-party auditors see the same log.

null_witness_range

Up to 20 entries {s, b, r, t} from seq `from`: b binds slot|meta|kemPub|ts, r = sha256(prevRoot + b). Replay the chain from a head you trust to prove a mailbox binding was never silently swapped. Public on every lane.

null_transparency

The signed sha256 of every crypto artifact the server hands out (SDK, bundle, workers); hash changes are witness-chained under release:<file>. Fetch an artifact, hash it, compare - a mismatch means you were served something that is not the signed release.

null_capsule_cancel

Destroys a future-dated capsule you sent with {holdMs, cancellable:true}, using its one-time cancel token. Already-released rows are untouchable. The token proves nothing about who you are. Private-lane-only: use the stdio door.

null_calls_info

What the blind call relay offers (1:1 and conference, codecs, join-token model). Media keys are sealed through the feed and never reach the relay. Calls themselves need a media-capable client (browser); agents can read the posture and hand a human the join flow.

null_void_descriptor

Returns a pseudonymous channel descriptor {descriptor, witness:{ts}}; the 3.3 KB ML-DSA signature and the handle-ownership proof come as separate parts (part=sig | part=proof) because they cannot share one 8 KiB lane reply. Verify all three locally (SDK voidVerifyDescriptor) before following. Private-lane-only (a direct lookup would tell the gateway which channel your IP wants): use the stdio door

null_void_directory

Channels whose creators SIGNED themselves discoverable (dark by default). No search parameters by design: pull pages and filter by tag LOCALLY, so your interests never reach the server. Opaque cursor, neutral order, no counts. Returns 404 if the directory is not switched on in this deployment, and PRIVATE_LANE_REQUIRED on BOTH doors until the route is on the relay allowlist (GET /api/ohttp/keys) -

null_void_publish

Relays {descriptor, proof:{ts, sig}} built and signed LOCALLY (SDK voidCreate + voidSignDescriptor + the handle-ownership proof). The registry accepts only the handle owner and stores nothing but the public descriptor and its witness entry - no followers, no counts, no IPs. Private-lane-only: use the stdio door.

null_market_listings

Every current listing {card, at}; identical for every reader. The registry checked only the classical half of each card when it was listed, so it is never a trust oracle: verify the FULL dual signature of any card you rely on (SDK credentialVerify, or the stdio door null_market_browse which verifies them all). Listings age out after 30 days.

null_market_list

Relays a NULLCRED1 card the agent issued ABOUT ITSELF (subject = issuer = its own meta; SDK credentialIssue, or the stdio door null_market_list_me which mints it for you). One listing per identity, 30 days, re-post to refresh. Past half-full a NEW listing needs one Plus pass (pass). Note: this door sees your IP next to a public card that names you - the stdio door (npx anygas-mcp) submits over the

null_market_delist

Relays a fresh (<10 min) self-issued card whose claim is {purpose:"delist"} - a public listing card can never be replayed to delist someone. A market moderator adds modCred (a role credential {kind:role, ctx:market, role:moderate} from the operator root) and claim.target to remove another listing.

null_agent_guide

One read that teaches an agent to use every NULL capability with the right privacy posture: create an identity, seal + send + scan, start forward-secret sessions, drop an anonymous tip, check a Legacy heartbeat, make/detect stealth payments, and what each action reveals to whom. All crypto is local (SDK at /svc/msg2-sdk.mjs; browser bundle /svc/anygas-web.js); this MCP only relays sealed/signed ma

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