{"name":"exchange.ravn/ravn","slug":"ravn","title":"RAVN","description":"Cross-chain swap aggregator across 16+ chains, incl. native Bitcoin/Solana. 0% fees, non-custodial.","url":"https://mcp.market/server/ravn","rating":null,"grade":"B","score":75,"certified":false,"status":"active","category":"other","tags":[],"presence":{"score":20,"stars":0,"forks":0,"downloads_week":null,"last_push_at":"2026-09-14T07:01:27.000Z","license":"MIT"},"uptime":{"percent":100,"checks":7,"ok":7,"last_checked_at":"2026-09-21T03:00:52.101Z","last_ok_at":"2026-09-21T03:00:52.101Z","latency_ms":200},"claimed":false,"transport":"remote","callable_via_gateway":true,"default_price_micros":0,"repository":"https://github.com/ravndex/ravn-examples","website":null,"version":"1.0.2","remotes":[{"type":"streamable-http","url":"https://app.ravn.exchange/api/mcp"}],"packages":[],"tools":[{"name":"ravn_btc_coverage","description":"For a swap where native BTC is the source, not every token on the destination chain is reachable. Returns which of ravn_tokens's list on `chainId` a BTC venue can actually route to, and how many venues serve each, so you can build a token list that matches what will really quote instead of discovering it one NO_LIQUIDITY at a time. BTC-as-source only — selling a token INTO BTC isn't restricted the same way (nearly any token can be sold into BTC), so this has nothing useful to say about that direction.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"chainId":{"type":"integer","minimum":-9007199254740991,"maximum":9007199254740991,"description":"The destination chain to check BTC-source coverage on"},"apiKey":{"description":"Your RAVN API key, if you have one — raises your rate limit","type":"string"}},"required":["chainId"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"ravn_btc_prepare_send","description":"Turns a DEPOSIT-type ravn_execute result (depositAddress + depositAmount) into a ready-to-sign PSBT, so you don't have to write your own UTXO selection and fee-estimation code. Fetches your UTXOs and the current network fee rate from mempool.space (public, no auth). RAVN never sees or touches a private key — sign the returned PSBT with your own wallet and broadcast it yourself. Only one signer is ever needed (unlike PSBT flows that require coordinating signatures across multiple UTXO-holding wallets), because every RAVN BTC-source venue resolves to a plain single-recipient payment.","write_action":true,"price_micros":0,"input_schema":{"type":"object","properties":{"fromAddress":{"type":"string","description":"Your Bitcoin address holding the UTXOs to spend — native SegWit (bc1q…) or Taproot (bc1p…) only"},"toAddress":{"type":"string","description":"depositAddress from ravn_execute"},"amountSats":{"type":"string","description":"depositAmount from ravn_execute, in satoshis"},"feeRateSatsPerVb":{"description":"Omit to use mempool.space's current halfHourFee estimate","type":"number","exclusiveMinimum":0},"network":{"description":"Defaults to mainnet","type":"string","enum":["mainnet","testnet"]}},"required":["fromAddress","toAddress","amountSats"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"ravn_chains","description":"Every chain RAVN lists a token registry for (see ravn_tokens). Static, doesn't change per request, safe to cache instead of hardcoding a chain table.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"apiKey":{"description":"Your RAVN API key, if you have one — raises your rate limit","type":"string"}},"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"ravn_execute","description":"Turn a quoteToken from ravn_quote into an execution payload. Returns one of three shapes (executionType): TRANSACTION (sign and broadcast yourself), SIGNATURE (sign, RAVN submits), or DEPOSIT (send the input asset to a given address). RAVN never takes custody of funds — you always sign or send from your own wallet. TRANSACTION and SIGNATURE may also include an `approval` — an ERC-20 approve() you must broadcast and wait to be MINED before the transaction/signature, or it fails (reverts on TRANSACTION; on SIGNATURE the order is accepted and silently never fills). Only present when the sold token needs it — omitted for native-coin sells and already-approved tokens.","write_action":true,"price_micros":0,"input_schema":{"type":"object","properties":{"quoteToken":{"type":"string","description":"The quoteToken returned by ravn_quote"},"destinationAddress":{"description":"Late-bound output recipient, for venues that support binding it at execution time (e.g. NEAR Intents, Garden, Chainflip, Rift). Does NOT apply to Relay, Across, Eco, or THORChain — those fix the recipient at quote time with no execute-time re-bind, so this is silently ignored for them; supply destinationAddress on ravn_quote instead","type":"string"},"refundAddress":{"description":"Late-bound refund recipient if the swap fails, for venues that support binding it at execution time. Does NOT apply to a Bitcoin-source Relay or THORChain quote — both fix the refund address at quote time, so this is silently ignored for Relay and rejected outright for THORChain (a mismatch throws rather than executing against a stale address); supply refundAddress on ravn_quote instead","type":"string"},"apiKey":{"description":"Your RAVN API key, if you have one — raises your rate limit","type":"string"}},"required":["quoteToken"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"ravn_health","description":"Liveness check across every venue RAVN routes through — call before a swap if you want to know whether a route is degraded ahead of time.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{},"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"ravn_quote","description":"Get a swap quote from RAVN — same-chain or cross-chain, across 17 chains including native (non-wrapped) Bitcoin and Solana as source or destination. Free, no API key or payment required. Returns a quoteToken; pass it to ravn_execute to get a signable/broadcastable execution payload.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"inputChainId":{"type":"integer","minimum":-9007199254740991,"maximum":9007199254740991,"description":"Numeric chain id, e.g. 1=Ethereum, 8453=Base, -1=Bitcoin, -2=Solana — see ravn_chains for the full list, or ravn_health for live venue status"},"outputChainId":{"type":"integer","minimum":-9007199254740991,"maximum":9007199254740991,"description":"Numeric chain id, e.g. 1=Ethereum, 8453=Base, -1=Bitcoin, -2=Solana — see ravn_chains for the full list, or ravn_health for live venue status"},"inputToken":{"type":"string","description":"Token contract address, or 0xEeeeeEeeeEeEeeEeEeEeeeEEeeeeEeeeeeeeEEeE for the chain's native coin"},"outputToken":{"type":"string","description":"Token contract address, or 0xEeeeeEeeeEeEeeEeEeEeeeEEeeeeEeeeeeeeEEeE for the chain's native coin"},"inputAmount":{"type":"string","description":"Positive integer string, in the input token's smallest unit (no decimals)"},"userAddress":{"type":"string","description":"Address the input asset will be sent from"},"destinationAddress":{"description":"Where output should land, if different from userAddress. Required here, at quote time, to get an executable quote from Relay (Bitcoin as the source), THORChain (Bitcoin either direction), Across (a Solana-touching route), or Eco (a cross-ecosystem route) — omit it there and you get back a priced-but-unexecutable preview instead (see ravn_quote's executable), not an error","type":"string"},"refundAddress":{"description":"Where to refund the input asset if the swap fails. Required here, at quote time, for a Bitcoin-source Relay or THORChain quote — neither has an execute-time re-bind, so omitting it returns a priced-but-unexecutable preview and supplying it later on ravn_execute has no effect. Other BTC-source venues (Garden, Chainflip, Rift) support binding this at execute time instead","type":"string"},"slippageBps":{"description":"Max acceptable slippage in basis points","type":"integer","minimum":1,"maximum":5000},"rankingMode":{"description":"best_output (default) picks the highest net output; fastest picks the quickest-settling quote within slippageBps","type":"string","enum":["best_output","fastest"]},"excludeVenues":{"description":"Drop specific venues from this race, e.g. a risk objection to one of them or ravn_health showing it degraded. Naming a venue that was never eligible for this pair is a no-op, not an error","type":"array","items":{"type":"string"}},"apiKey":{"description":"Your RAVN API key, if you have one — raises your rate limit","type":"string"}},"required":["inputChainId","outputChainId","inputToken","outputToken","inputAmount","userAddress"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"ravn_status","description":"Poll the status of a swap by its quoteToken and the ref returned by ravn_execute (deposit address for DEPOSIT venues, statusRef for SIGNATURE venues). Status is authoritative where the venue exposes it; Jupiter is the one live venue that reports 'unknown' honestly rather than guessing.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"quoteToken":{"type":"string","description":"The quoteToken from ravn_quote — the venue is decoded from it"},"ref":{"type":"string","description":"deposit address (DEPOSIT venues) or statusRef (SIGNATURE venues) from ravn_execute"},"apiKey":{"description":"Your RAVN API key, if you have one — raises your rate limit","type":"string"}},"required":["quoteToken","ref"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"ravn_submit_signature","description":"For a SIGNATURE-type ravn_execute result only: submit the signature(s) you collected (over typedData, and approvalData if present) to actually place the order. RAVN decodes the venue from quoteToken and routes to the right venue-specific submit path — you never touch a per-venue endpoint. Returns a statusRef — pass it to ravn_status as `ref` to poll this swap.","write_action":true,"price_micros":0,"input_schema":{"type":"object","properties":{"quoteToken":{"type":"string","description":"The quoteToken from ravn_quote"},"signature":{"type":"string","pattern":"^0x[0-9a-fA-F]+$","description":"Signature over the typedData from ravn_execute"},"approvalSignature":{"description":"0x Gasless only: signature over approvalData, when ravn_execute returned one","type":"string","pattern":"^0x[0-9a-fA-F]+$"},"apiKey":{"description":"Your RAVN API key, if you have one — raises your rate limit","type":"string"}},"required":["quoteToken","signature"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"ravn_tokens","description":"RAVN's own listed token registry for one chain — populate a token picker without hardcoding one. This is \"what RAVN knows about and might route\", not a per-pair routability guarantee for any specific pair; call ravn_quote to check that.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"chainId":{"type":"integer","minimum":-9007199254740991,"maximum":9007199254740991,"description":"Numeric chain id, e.g. 1=Ethereum, 8453=Base, -1=Bitcoin, -2=Solana — see ravn_chains for the full list, or ravn_health for live venue status"},"apiKey":{"description":"Your RAVN API key, if you have one — raises your rate limit","type":"string"}},"required":["chainId"],"$schema":"https://json-schema.org/draft/2020-12/schema"}},{"name":"ravn_tokens_resolve","description":"Resolve an arbitrary token address to its metadata (symbol, name, decimals) via an on-chain read — for a paste-any-address flow, when the token isn't necessarily on ravn_tokens's list.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"chainId":{"type":"integer","minimum":-9007199254740991,"maximum":9007199254740991,"description":"Numeric chain id, e.g. 1=Ethereum, 8453=Base, -1=Bitcoin, -2=Solana — see ravn_chains for the full list, or ravn_health for live venue status"},"address":{"type":"string","description":"Token contract address / mint to resolve"},"apiKey":{"description":"Your RAVN API key, if you have one — raises your rate limit","type":"string"}},"required":["chainId","address"],"$schema":"https://json-schema.org/draft/2020-12/schema"}}],"scan":{"score":75,"grade":"B","scanned_at":"2026-09-20T16:17:59.342Z","report":{"scannerVersion":"0.1.9","scannedAt":"2026-09-20T16:17:59.278Z","components":{"code":{"score":-1,"max":25,"notes":["remote-only server, no package to scan"]},"reliability":{"score":20,"max":20,"notes":["remote reachable in 605ms"]},"poisoning":{"score":15,"max":15,"notes":["10 tool descriptions checked"]},"auth":{"score":3,"max":15,"notes":["open endpoint exposes 3 write-action tools with no auth"]},"maintenance":{"score":15,"max":15,"notes":["last push 6 days ago"]},"identity":{"score":3,"max":10,"notes":["namespace and repository owner differ"]}},"findings":[{"id":"auth.open-write","severity":"high","component":"auth","title":"Write-action tools reachable without authentication"}],"inputs":{"probes":[{"url":"https://app.ravn.exchange/api/mcp","reachable":true,"authRequired":false,"latencyMs":605,"serverInfo":{"name":"ravn","version":"1.0.2"}}],"packages":[],"repo":{"found":true,"owner":"ravndex","repo":"ravn-examples","archived":false,"pushedAt":"2026-09-14T07:01:27Z","stars":0,"forks":0,"openIssues":0,"ownerType":"User","ownerAvatarUrl":"https://avatars.githubusercontent.com/u/295170005?v=4","ownerCreatedAt":"2026-06-19T15:55:28Z","license":"MIT"},"icon":{"url":"https://app.ravn.exchange/icon.png?icon.3nwwle_65rf5y.png","source":"site","width":512,"height":512},"presence":{"stars":0,"forks":0,"downloadsWeek":null,"license":"MIT","lastPushAt":"2026-09-14T07:01:27.000Z","score":20}}}},"grade_history":[],"reviews":[]}