{"server":{"name":"com.criptonlabs/agent-apis","title":"Criptonlabs Agent APIs","$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","remotes":[{"url":"https://api.criptonlabs.com/mcp","type":"streamable-http"},{"url":"https://api.criptonlabs.com/mcp/pro","type":"streamable-http"}],"version":"0.19.1","description":"Read-only XRPL and Solana data for agents: fees, slippage, readiness. Free /mcp; x402 /mcp/pro."},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","isLatest":true,"updatedAt":"2026-10-17T23:34:53.358298Z","publishedAt":"2026-10-17T23:34:53.358298Z","statusChangedAt":"2026-10-17T23:34:53.358298Z"},"dev.protogrid/connectability":{"class":"R0","autonomous":true,"human_steps":[],"preferred":{"kind":"remote","idx":0},"remotes":[{"idx":0,"url":"https://api.criptonlabs.com/mcp","transport":"streamable-http","templated":false,"headers":[],"auth":{"type":"none","location":null,"secret_name":null,"oauth":null},"protocol":{"supported_versions":["2026-07-28"],"stateless":true},"health":{"reachable":true,"uptime_30d":0.875,"latency_ms_p50":411,"consecutive_failures":0,"last_probe_at":"2026-10-19T23:40:55.924Z","last_ok_at":"2026-10-19T23:40:55.924Z"}},{"idx":1,"url":"https://api.criptonlabs.com/mcp/pro","transport":"streamable-http","templated":false,"headers":[],"auth":{"type":"none","location":null,"secret_name":null,"oauth":null},"protocol":{"supported_versions":["2026-07-28"],"stateless":true},"health":{"reachable":true,"uptime_30d":0.85714287,"latency_ms_p50":436,"consecutive_failures":0,"last_probe_at":"2026-10-19T18:25:52.882Z","last_ok_at":"2026-10-19T18:25:52.882Z"}}],"packages":[]},"dev.protogrid/tools":[{"name":"solana_latest_slot","title":"Solana latest slot","description":"Latest finalized Solana slot and its block time. When to use: To check how fresh the finalized view of Solana is, or to anchor a read to a slot. Prefer another tool: Not a tip-of-chain feed: it is finalized, not processed or confirmed, and it is cached for 2 seconds. Example: solana_latest_slot {}","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T23:40:55.924Z"},{"name":"solana_network_health","title":"Solana data status","description":"Whether Solana data is currently being served: latest probe status and finalized slot. When to use: Before relying on the Solana verdict endpoints, or to explain a 503 from them. Prefer another tool: Not a measure of the Solana network itself, only of this service's access to it; use the latest-slot endpoint to see chain progress. Example: solana_network_health {}","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T23:40:55.924Z"},{"name":"solana_token","title":"Solana token verdict","description":"Is this Solana token safe to hold or receive? A SAFE, WARN or DANGER verdict. When to use: Before accepting or swapping into an unfamiliar token, to see whether its mint can freeze, mint more, move or tax balances. Prefer another tool: Not a price, liquidity or holder lookup and not an audit of the token's project; it reads only the mint account. Example: solana_token {\"mint\":\"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v\"}","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T23:40:55.924Z"},{"name":"solana_transfer_readiness","title":"Solana transfer readiness","description":"Will this Solana transfer succeed? A verdict for SOL or an SPL or Token-2022 token. When to use: Before building or signing a Solana transfer, to learn whether it will fail and what it will cost in rent and fees. Prefer another tool: Not a simulation of the exact transaction (no priority fee, no program logic), not a token price or holder lookup, and not a way to read raw accounts. Example: solana_transfer_readiness {\"source\":\"83astBRguLMdt2h5U1Tpdq5tjFoJ6noeGwaY3mDLVcri\",\"destination\":\"A1TMhSGzQxMr1TboBKtgixKz1sS6REASMxPo1qsyTSJd\",\"mint\":\"SOL\",\"amount\":\"0.5\"}","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T23:40:55.924Z"},{"name":"xrpl_account_lines","title":"Account trust lines","description":"One page of an account's trust lines, with an opaque cursor for the next page. When to use: To list every trust line of an account (balances, limits, freeze and authorization flags), page by page. Prefer another tool: For a quick capped overview with the XRP balance, use `/v1/xrpl/account/{address}/summary`; for issued totals of a token, use the token endpoint. Example: xrpl_account_lines {\"address\":\"rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh\"}","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T23:40:55.924Z"},{"name":"xrpl_account_summary","title":"Account summary","description":"XRP balance, sequence, owner count, transfer rate and trust lines (capped) for an account. When to use: To inspect an account before building a transaction for it. Prefer another tool: Not for transaction history, reserves or account flags; it is a summary, not a full account dump. Example: xrpl_account_summary {\"address\":\"rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh\"}","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T23:40:55.924Z"},{"name":"xrpl_account_transactions","title":"Account transactions","description":"One page of an account's most recent validated transactions, newest first. When to use: To check what an account did recently (payments sent or received, offers, trust line changes) and whether each transaction succeeded. Prefer another tool: For balances and trust lines, use `/v1/xrpl/account/{address}/summary` or `/v1/xrpl/account/{address}/lines`; for full archival history, use a full-history node or indexer: history depth depends on the serving node and older pages may be slower. Example: xrpl_account_transactions {\"address\":\"rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh\"}","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T23:40:55.924Z"},{"name":"xrpl_amm","title":"AMM pool","description":"AMM pool reserves and trading fee for an asset pair. When to use: To read AMM pool depth and fee for a pair. Prefer another tool: It does not estimate slippage or compare venues (use the slippage page for the CLOB vs AMM comparison); a pair without a pool returns 404. Example: xrpl_amm {\"a\":\"XRP\",\"b\":\"USD.rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh\"}","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T23:40:55.924Z"},{"name":"xrpl_fee","title":"Fee intelligence","description":"Current XRPL fee tiers in drops with a congestion score. When to use: Before submitting a transaction, to choose a `Fee` and to decide whether the network is congested. Prefer another tool: Not a price feed and not a historical series; it describes the latest validated ledger only. Example: xrpl_fee {}","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T23:40:55.924Z"},{"name":"xrpl_latest_ledger","title":"Latest ledger","description":"Latest validated ledger index, hash and close time. When to use: To anchor other readings to a ledger or to check how current the network view is. Prefer another tool: Not for transaction data or account state; use the account endpoint for those. Example: xrpl_latest_ledger {}","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T23:40:55.924Z"},{"name":"xrpl_network_health","title":"Network health","description":"Overall and per-node health of the upstream XRPL nodes. When to use: To decide whether to trust or retry data, or to explain a 503 from another endpoint. Prefer another tool: Not a probe of your own connectivity; it reports the service's upstream nodes. Example: xrpl_network_health {}","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T23:40:55.924Z"},{"name":"xrpl_orderbook","title":"Funded order book","description":"CLOB order book for a currency pair with unfunded offers removed. When to use: To read executable liquidity for a pair on the XRPL central limit order book (CLOB). Prefer another tool: Not for AMM liquidity (use the amm page) and not for a cost estimate (use the slippage page). Example: xrpl_orderbook {\"base\":\"XRP\",\"quote\":\"USD.rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh\"}","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T23:40:55.924Z"},{"name":"xrpl_paths","title":"Payment paths","description":"Multi-hop payment paths and their source cost. When to use: Before a cross-currency or multi-hop payment: to see whether a route exists and how much the source would spend to deliver the amount. A call can take up to about 20 seconds and paths may be non-optimal. Prefer another tool: To check whether a direct payment can succeed (use `/v1/xrpl/payment-readiness`), or for the single-hop cost of a trade on one pair (use `/v1/xrpl/slippage`, which compares the order book and the AMM). Example: xrpl_paths {\"source\":\"rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh\",\"destination\":\"rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B\",\"asset\":\"XRP\",\"amount\":\"1\"}","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T23:40:55.924Z"},{"name":"xrpl_payment_readiness","title":"Payment readiness","description":"Pre-payment check: can this payment from source to destination succeed now? When to use: Right before sending a payment: to catch a missing or unfunded destination, a required destination tag, deposit authorization, missing or frozen trust lines, insufficient balance and issuer freezes, in one call. Prefer another tool: To find a multi-hop route or the source amount needed for a cross-currency payment (use the paths endpoint), or to list balances (use `/v1/xrpl/account/{address}/summary`). Example: xrpl_payment_readiness {\"source\":\"rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh\",\"destination\":\"rvYAfWj5gh67oV6fW32ZzP3Aw4Eubs59B\"}","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T23:40:55.924Z"},{"name":"xrpl_slippage","title":"Slippage estimate","description":"Slippage and average price for buying an amount of base currency. When to use: Before placing a market-style trade, to size it against available depth and to see whether the CLOB or the AMM pool is the cheaper venue. Prefer another tool: It is an estimate, not a quote, and it does not split an amount across venues or route through other pairs. To read pool reserves, use the amm page. Example: xrpl_slippage {\"base\":\"XRP\",\"quote\":\"USD.rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh\",\"amount\":\"1000\"}","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T23:40:55.924Z"},{"name":"xrpl_token","title":"Token issuer","description":"Issuer data for an issued asset: flags, domain, transfer fee and total issued. When to use: Before accepting or sending an issued token: check that the issuer exists, is not frozen, whether holders need authorization, and the transfer fee charged on every transfer between non-issuer accounts. Prefer another tool: For XRP (not an issued asset; 400), for one account's own balances use `/v1/xrpl/account/{address}/lines`, and for prices use `/v1/xrpl/orderbook` or `/v1/xrpl/amm/{a}/{b}`. Example: xrpl_token {\"asset\":\"USD.rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh\"}","annotations":{"readOnlyHint":true,"openWorldHint":true,"idempotentHint":true,"destructiveHint":false},"source":"probe","observed_at":"2026-10-19T23:40:55.924Z"}],"dev.protogrid/trust":{"score":78,"components":{"hygiene":80,"liveness":95,"freshness":100,"provenance":45},"drivers":["+dns-namespace","+reachable","+uptime-88%","+updated-2d-ago","-no-repository"],"flags":["no-repository"],"blocked":false,"computed_at":"2026-10-20T00:08:06.187Z","disclaimer":"Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed."},"dev.protogrid/quality":{"score":94,"label":"new","components":{"auth":null,"hygiene":100,"protocol":88,"stability":null,"dependencies":null},"checks":[{"id":"protocol.modern","detail":"supports 2026-07-28 (server/discover)","status":"pass","category":"protocol"},{"id":"protocol.stateless","detail":"answers without a session","status":"pass","category":"protocol"},{"id":"protocol.transport","detail":"streamable HTTP","status":"pass","category":"protocol"},{"id":"protocol.list_ttl","detail":"tools/list declares ttlMs 0, so clients re-fetch it on every use","status":"warn","category":"protocol"},{"id":"auth.prm","detail":"no remote uses OAuth","status":"na","category":"auth"},{"id":"auth.as_metadata","detail":"no remote uses OAuth","status":"na","category":"auth"},{"id":"auth.cimd","detail":"no remote uses OAuth","status":"na","category":"auth"},{"id":"auth.secret_in_url","detail":"no templated URL","status":"na","category":"auth"},{"id":"tools.descriptions","detail":"every tool has a description","status":"pass","category":"hygiene"},{"id":"tools.description_length","detail":"descriptions are concise","status":"pass","category":"hygiene"},{"id":"tools.schemas","detail":"every tool has an object input schema","status":"pass","category":"hygiene"},{"id":"tools.annotations","detail":"16 of 16 tools declare readOnlyHint or destructiveHint","status":"pass","category":"hygiene"},{"id":"tools.directory_hints","detail":"every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint","status":"pass","category":"hygiene"},{"id":"tools.token_cost","detail":"about 3,669 tokens to load every tool","status":"pass","category":"hygiene"},{"id":"tools.api_dump","detail":"tools are not a one-to-one API dump","status":"pass","category":"hygiene"},{"id":"stability.changes","detail":"tool history recorded for 1 of the 7 days needed","status":"na","category":"stability"},{"id":"stability.rug_pull","detail":"tool history recorded for 1 of the 7 days needed","status":"na","category":"stability"},{"id":"deps.known_vulns","detail":"no npm or PyPI package","status":"na","category":"dependencies"},{"id":"deps.mcp_sdk_version","detail":"no npm or PyPI package","status":"na","category":"dependencies"},{"id":"deps.resolvable","detail":"no npm or PyPI package","status":"na","category":"dependencies"}],"drivers":["~protocol.list_ttl"],"flags":[],"tool_count":16,"token_estimate":3669,"tools_hash":"088f66fc6bf019c7a8b487be999eac07","tools_changed_at":null,"computed_at":"2026-10-19T23:50:38.934Z","disclaimer":"Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed."},"dev.protogrid/identity":{"canonical_id":"com.criptonlabs/agent-apis","aliases":[],"alias_count":0,"repository_key":null,"owner":{"verified":false,"method":null,"since":null}}},"next_actions":[{"action":"list_tools","description":"Every current tool with input schemas","href":"/v1/servers/com.criptonlabs%2Fagent-apis/tools","arguments":{"name":"com.criptonlabs/agent-apis"}},{"action":"get_connection","description":"Minimal connection block for the preferred remote or package","href":"/v1/servers/com.criptonlabs%2Fagent-apis/connection?target=mcpServers","arguments":{"name":"com.criptonlabs/agent-apis","target":"mcpServers"}},{"action":"search","description":"Find other servers by intent","href":"/v1/search?q={query}","arguments":{"q":"{query}"}}]}