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Voyager Starknet Explorer

NPM · VOYAGER-MCP

Live Starknet explorer data: transactions, contracts, tokens, NFTs, staking

Available components

0 this week 72 Trust /100

Last scanned (6 hours ago)

Scores higher than 43% of npm servers

Category Crypto and Web3

Trust breakdown (7 categories)

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. How we score → Why this is hard to score →

Supply Chain Security81
  • No malware found by supply-chain analysis.Pass
  • CVE check failed: a known high-severity CVE affects zod 3.25.76, a direct dependency. A fixed version is available. View diagnostics → Fail
  • No install/post-install scripts declared.Pass
  • 30 of 93 dependencies flagged as unhealthy. View diagnostics → Partial
Provenance & Transparency19
Schema Quality & AI Usability76
  • AI-judged instruction clarity (good).Pass
  • Context-footprint check failed: tool/resource definitions use about 8500 tokens (~103/item across 82 items; 82 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
  • Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management100
  • No destabilizing schema changes in the last 30 days.Pass
Tool Coverage100
  • 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
  • 100% of tool parameters carry a description.Pass
Tool Safety75
  • No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
  • 0 of 1 tool(s) whose name or description implies an irreversible operation declare an MCP destructiveHint annotation; "get_contract_transfer_tokens" implies "transfer" and declares no destructiveHint at all, which the MCP spec reads as destructive by default. See how to fix → Fail
  • An AI judge read all 83 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
  • Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Changelog

Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.

  • 5 Nov 26 0
    • Stability: 0.97 → pass security
  • 4 Nov 26 +1

    No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes.

  • 3 Nov 26 −1
    • Stability: pass → 0.93 functional
  • 28 Oct 26 0
    • Stability: 0.97 → pass security
  • 27 Oct 26 0
    • Stability: pass → 0.97 functional
  • 24 Oct 26 −5
    • CVE-2023-54404 affects this package: high ▼ security
    • Known CVEs: pass → fail ▼ security
  • 21 Oct 26 0
    • Stability: 0.97 → pass security
  • 20 Oct 26 0
    • Stability: pass → 0.97 functional
Diagnostics

Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.

Captured 5 Nov 2026 · Analysed npm/voyager-mcp@0.2.1

Provenance No attestation

The registry publishes no build provenance for this version, so there is nothing to verify.

Result No attestation
Ecosystem npm

Background: How many MCP packages publish verified provenance →

Vulnerabilities 1 finding
ID CVE Severity Vector Fix available
GHSA-mrhx-c7xc-m3w5 CVE-2023-54404 high CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H yes

Background: What a vulnerability scan can and cannot prove →

Dependencies 93 packages
Packages resolved 93
Stale 30
Tree resolution Complete

Background: SBOMs and build attestations, explained →

MCP tools · 82 exposed · ~8,216 tokens

The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →

Tool Tokens
get_account_call ~51

Get details of a specific account call by its id.

NameTypeReqDescription
idstringyesAccount-call id.
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_api_status ~45

Check the Voyager API status / health. Useful as a connectivity sanity check.

NameTypeReqDescription
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_block ~66

Get a Starknet block by number, hash, or "pre_confirmed".

NameTypeReqDescription
blockstringyesBlock number, block hash (0x...), or "pre_confirmed".
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_cairo_v1_contracts_count ~47

Get the count of Cairo 1 contracts on Starknet.

NameTypeReqDescription
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_class ~66

Get a Starknet class by hash: type, declaration info, verification status, and ABI.

NameTypeReqDescription
classHashstringyesStarknet class hash (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_class_code ~74

Get the verified Cairo source code for a class. Use this to read the actual contract implementation when writing or auditing Starknet code.

NameTypeReqDescription
classHashstringyesStarknet class hash (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_class_contracts ~161

List the contracts deployed from a given class, newest first. Cursor pagination: pass `cursor` from a previous response's nextCursor/prevCursor; a null nextCursor means the end. Per-row activity counts are capped and render as "1000+" beyond the cap.

NameTypeReqDescription
classHashstringyesStarknet class hash (0x-prefixed hex).
cursorstring–Pagination cursor — pass the value from the previous response to fetch the next page.
networkstring–Network to query. Defaults to the server's configured network (mainnet).
pageSizenumber–Items per page: 10, 25, 50, or 100. Defaults to 25. Keep small to save context.

No output schema declared.

No examples provided.

get_class_decompiled ~67

Get the decompiled code of a class (useful when verified source is not available).

NameTypeReqDescription
classHashstringyesStarknet class hash (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_class_functions ~62

Get the callable functions (ABI entrypoints) declared by a class.

NameTypeReqDescription
classHashstringyesStarknet class hash (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_contract ~68

Get a Starknet contract by address: class hash, type, deployment info, ABI, and aliases.

NameTypeReqDescription
contractAddressstringyesStarknet contract address (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_contract_bridge_transactions ~114

List L1↔L2 bridge transactions involving a contract.

NameTypeReqDescription
contractAddressstringyesStarknet contract address (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).
pageinteger–Page number (1-based). Defaults to 1.
pageSizenumber–Items per page: 10, 25, 50, or 100. Defaults to 25. Keep small to save context.

No output schema declared.

No examples provided.

get_contract_class_history ~113

List the class history (implementation upgrades) of a contract.

NameTypeReqDescription
contractAddressstringyesStarknet contract address (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).
pageinteger–Page number (1-based). Defaults to 1.
pageSizenumber–Items per page: 10, 25, 50, or 100. Defaults to 25. Keep small to save context.

No output schema declared.

No examples provided.

get_contract_code ~67

Get the code of a contract: verified Cairo source if available, otherwise bytecode/decompiled.

NameTypeReqDescription
contractAddressstringyesStarknet contract address (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_contract_erc20_balance_history ~94

Get the ERC-20 balance history of a contract over a time range.

NameTypeReqDescription
contractAddressstringyesStarknet contract address (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).
timerangestring–Time range.
tokenAddressstring–Filter by token address (0x-prefixed).

No output schema declared.

No examples provided.

get_contract_erc20_tokens_held ~65

List the ERC-20 tokens a contract has ever held.

NameTypeReqDescription
contractAddressstringyesStarknet contract address (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_contract_functions ~61

Get the callable functions (ABI entrypoints) of a contract.

NameTypeReqDescription
contractAddressstringyesStarknet contract address (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_contract_holders ~126

List token holders for a token contract (paginated).

NameTypeReqDescription
contractAddressstringyesToken contract address (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).
pageinteger–Page number (1-based). Defaults to 1.
pageSizenumber–Items per page: 10, 25, 50, or 100. Defaults to 25. Keep small to save context.
typestring–Token standard. Defaults to "erc20".

No output schema declared.

No examples provided.

get_contract_portfolio ~64

Get the current token portfolio (holdings) of a contract / account.

NameTypeReqDescription
contractAddressstringyesStarknet contract address (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_contract_token_balances ~61

Get the token balances held by a specific contract address.

NameTypeReqDescription
contractAddressstringyesStarknet contract address (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_contract_transfer_tokens ~72

List the distinct tokens involved in a contract's transfers (filter helper).

NameTypeReqDescription
contractAddressstringyesStarknet contract address (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).
typestring–Token standard.

No output schema declared.

No examples provided.

get_contract_transfers ~243

List token transfers involving a contract, with filters (token, counterparties, time range). Keyset pagination via `cursor`.

NameTypeReqDescription
contractAddressstringyesStarknet contract address (0x-prefixed hex).
cursorstring–Keyset pagination cursor: the `id` of the last item from the previous response.
fromstring–Filter by sender address (0x-prefixed).
networkstring–Network to query. Defaults to the server's configured network (mainnet).
orderBystring–Sort order. Defaults to "desc".
pageSizenumber–Items per page: 10, 25, 50, or 100. Defaults to 25. Keep small to save context.
timestampFrominteger–Start of time range (Unix seconds).
timestampTointeger–End of time range (Unix seconds).
tostring–Filter by recipient address (0x-prefixed).
tokenAddressstring–Filter by token contract address (0x-prefixed).
typestring–Token standard. Defaults to "erc20".

No output schema declared.

No examples provided.

get_daily_stats ~91

Get historical daily network statistics (time series) for Starknet.

NameTypeReqDescription
networkstring–Network to query. Defaults to the server's configured network (mainnet).
pageSizenumber–Items per page: 10, 25, 50, or 100. Defaults to 25. Keep small to save context.
timerangestring–Time range of the series.

No output schema declared.

No examples provided.

get_delegators_over_time ~57

Get the delegator count over time (time series).

NameTypeReqDescription
networkstring–Network to query. Defaults to the server's configured network (mainnet).
timerangestring–Time range of the series.

No output schema declared.

No examples provided.

get_event ~48

Get details of a single event by its id.

NameTypeReqDescription
idstringyesEvent id.
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_indexer_lagging ~47

Check whether the Voyager indexer is lagging behind the chain tip.

NameTypeReqDescription
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_l1_bridge_transactions ~117

Get the bridge transactions associated with an L1 transaction (paginated).

NameTypeReqDescription
hashstringyesL1 (Ethereum) transaction hash (0x-prefixed).
networkstring–Network to query. Defaults to the server's configured network (mainnet).
pageinteger–Page number (1-based). Defaults to 1.
pageSizenumber–Items per page: 10, 25, 50, or 100. Defaults to 25. Keep small to save context.

No output schema declared.

No examples provided.

get_l1_state_updates ~119

Get the Starknet state updates included in an L1 transaction (paginated).

NameTypeReqDescription
hashstringyesL1 (Ethereum) transaction hash (0x-prefixed).
networkstring–Network to query. Defaults to the server's configured network (mainnet).
pageinteger–Page number (1-based). Defaults to 1.
pageSizenumber–Items per page: 10, 25, 50, or 100. Defaults to 25. Keep small to save context.

No output schema declared.

No examples provided.

get_l1_transaction ~64

Get an Ethereum L1 transaction related to Starknet by its hash.

NameTypeReqDescription
hashstringyesL1 (Ethereum) transaction hash (0x-prefixed).
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_marketplace_stats ~132

Get NFT marketplace stats ranked by an attribute over a timeframe.

NameTypeReqDescription
attributestring–Attribute to rank by.
networkstring–Network to query. Defaults to the server's configured network (mainnet).
pageinteger–Page number (1-based). Defaults to 1.
pageSizenumber–Items per page: 10, 25, 50, or 100. Defaults to 25. Keep small to save context.
sortstring–Sort order. Defaults to "desc".
timeframestring–Time window for the stats.

No output schema declared.

No examples provided.

get_message ~67

Get a Starknet L1↔L2 message by its message hash.

NameTypeReqDescription
msgHashstringyesL1 ↔ L2 message hash (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_message_bridge_transactions ~123

Get the bridge transactions associated with an L1↔L2 message (paginated).

NameTypeReqDescription
msgHashstringyesL1 ↔ L2 message hash (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).
pageinteger–Page number (1-based). Defaults to 1.
pageSizenumber–Items per page: 10, 25, 50, or 100. Defaults to 25. Keep small to save context.

No output schema declared.

No examples provided.

get_network_status ~44

Get the Starknet network status (chain health / indexer state).

NameTypeReqDescription
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_nft ~76

Get details of a single NFT (token) by contract address and token id.

NameTypeReqDescription
contractAddressstringyesNFT contract address (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).
tokenIdstringyesToken id within the collection.

No output schema declared.

No examples provided.

get_nft_contract ~60

Get details of an NFT contract (collection) by address.

NameTypeReqDescription
contractAddressstringyesNFT contract address (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_nft_contract_balance ~112

List an owner's NFT balances across collections (optionally a specific collection).

NameTypeReqDescription
contractAddressstring–Filter by NFT contract address.
cursorstring–Pagination cursor — pass the value from the previous response to fetch the next page.
limitinteger–Max items to return (1–100).
networkstring–Network to query. Defaults to the server's configured network (mainnet).
ownerAddressstringyesOwner address (0x-prefixed hex).

No output schema declared.

No examples provided.

get_nft_stats ~132

Get NFT collection stats ranked by an attribute over a timeframe.

NameTypeReqDescription
attributestring–Attribute to rank by.
networkstring–Network to query. Defaults to the server's configured network (mainnet).
pageinteger–Page number (1-based). Defaults to 1.
pageSizenumber–Items per page: 10, 25, 50, or 100. Defaults to 25. Keep small to save context.
sortstring–Sort order. Defaults to "desc".
timeframestring–Time window for the stats.

No output schema declared.

No examples provided.

get_stake_over_time ~54

Get total stake over time (time series).

NameTypeReqDescription
networkstring–Network to query. Defaults to the server's configured network (mainnet).
timerangestring–Time range of the series.

No output schema declared.

No examples provided.

get_staking_overview ~42

Get a high-level overview of Starknet staking.

NameTypeReqDescription
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_stats ~46

Get current Starknet network statistics: transaction counts, performance metrics, and financial data.

NameTypeReqDescription
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_today_stats ~57

Get today's Starknet network statistics over a recent window.

NameTypeReqDescription
hoursstring–Lookback window. Defaults to 24h.
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_token_functions ~60

Get the callable functions (ABI entrypoints) of a token contract.

NameTypeReqDescription
addressstringyesToken contract address (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_token_holders ~131

Get the holders of a token (paginated): addresses, balances, and aliases.

NameTypeReqDescription
addressstringyesToken contract address (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).
pageinteger–Page number (1-based). Defaults to 1.
pageSizenumber–Items per page: 10, 25, 50, or 100. Defaults to 25. Keep small to save context.
typestring–Token standard. Defaults to "erc20".

No output schema declared.

No examples provided.

get_token_security ~67

Get a token's security scan (e.g. Blockaid) — risk flags for the token contract.

NameTypeReqDescription
addressstringyesToken contract address (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).

No output schema declared.

No examples provided.

get_token_transfers ~239

List transfers of a specific token (by its contract address) within a time window. Defaults to the last 7 days; adjust via timestampFrom/timestampTo (max ~90 days). For very high-volume tokens, narrow the window to avoid upstream timeouts. Keyset pagination via `cursor`.

NameTypeReqDescription
cursorstring–Keyset pagination cursor: pass the `id` of the last item from the previous response.
networkstring–Network to query. Defaults to the server's configured network (mainnet).
orderBystring–Sort order. Defaults to "desc".
pageSizenumber–Items per page: 10, 25, 50, or 100. Defaults to 25. Keep small to save context.
timestampFrominteger–Start of time range (Unix seconds). Defaults to 7 days ago.
timestampTointeger–End of time range (Unix seconds). Defaults to now.
tokenAddressstringyesToken contract address (0x-prefixed hex).
typestring–Token standard. Defaults to "erc20".

No output schema declared.

No examples provided.

get_top_contracts_stats ~135

Get the most-used contracts ranked by activity over a timeframe.

NameTypeReqDescription
networkstring–Network to query. Defaults to the server's configured network (mainnet).
orderstring–Sort order.
orderBystring–Metric to rank by.
pageinteger–Page number (1-based). Defaults to 1.
pageSizenumber–Items per page: 10, 25, 50, or 100. Defaults to 25. Keep small to save context.
qstring–Search query.
timeframestring–Time window.

No output schema declared.

No examples provided.

get_transaction ~74

Get a Starknet transaction by hash: status, type, fee, block, and associated data. Use for debugging or inspecting a specific tx.

NameTypeReqDescription
networkstring–Network to query. Defaults to the server's configured network (mainnet).
txnHashstringyesTransaction hash (0x-prefixed felt).

No output schema declared.

No examples provided.

get_transaction_messages ~60

Get the L1↔L2 messages associated with a transaction.

NameTypeReqDescription
networkstring–Network to query. Defaults to the server's configured network (mainnet).
txnHashstringyesTransaction hash (0x-prefixed felt).

No output schema declared.

No examples provided.

get_transaction_storage_diffs ~62

Get the storage diffs (state changes) produced by a transaction.

NameTypeReqDescription
networkstring–Network to query. Defaults to the server's configured network (mainnet).
txnHashstringyesTransaction hash (0x-prefixed felt).

No output schema declared.

No examples provided.

get_transaction_trace ~69

Get the execution trace (nested call tree) of a transaction. Use to debug exactly what calls a tx made.

NameTypeReqDescription
networkstring–Network to query. Defaults to the server's configured network (mainnet).
txnHashstringyesTransaction hash (0x-prefixed felt).

No output schema declared.

No examples provided.

get_validator_activity ~115

Get the staking activity log for a validator.

NameTypeReqDescription
addressstringyesValidator address (0x-prefixed hex).
networkstring–Network to query. Defaults to the server's configured network (mainnet).
pageinteger–Page number (1-based). Defaults to 1.
pageSizenumber–Items per page: 10, 25, 50, or 100. Defaults to 25. Keep small to save context.
sortstring–Sort order.

No output schema declared.

No examples provided.

Install

How do I install the Voyager Starknet Explorer MCP server?

Voyager Starknet Explorer runs locally as an npm package, launched with npx -y voyager-mcp. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

npm · voyager-mcp

# add to Claude Code
claude mcp add online-voyager-mcp -- npx -y voyager-mcp
Common questions

What is the Voyager Starknet Explorer MCP server?

Voyager Starknet Explorer is an MCP server listed in the public MCP registry as online.voyager/mcp. Live Starknet explorer data: transactions, contracts, tokens, NFTs, staking. This page covers its npm package (voyager-mcp).

Is the Voyager Starknet Explorer MCP server safe to use?

Voyager Starknet Explorer scores 72 out of 100 on VerifyMCP. We recorded 1 known advisory against it as of 5 November 2026. It declares no install or post-install scripts. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

What tools does the Voyager Starknet Explorer MCP server expose?

Voyager Starknet Explorer exposes 82 tools: voyager_ping, list_transactions, get_transaction, get_transaction_trace, get_transaction_messages, and 77 more. Their descriptions and schemas cost roughly 8,216 tokens of context every time the server is loaded.

Is the Voyager Starknet Explorer MCP server still maintained?

Voyager Starknet Explorer is still listed as active in the MCP registry. We last reached this channel on 5 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

What licence is the Voyager Starknet Explorer MCP server under?

Voyager Starknet Explorer declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.