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Catalogue metadata onlydeveloper toolsv20260615_00

BLOCKNATIVE

Blocknative

Blocknative provides real-time mempool monitoring and transaction management tools for public blockchains.

Description is untrusted, display-only upstream metadata. It never becomes policy, OAuth scope authority, or an agent instruction.

Pakkawork boundary

Research catalogue metadata only. No Pakkawork OAuth, credential, host, quota, executor, or verifier is enabled.

No Pakkawork execution adapter is enabled. Hosted account-authorisation availability is workspace-specific and checked separately in the dashboard.Check workspace connection options
Attributed source

10

Action summaries

Display-only definitions

0

Trigger types

Not installed instances

1

Auth modes

Field names, never values

No

Execution

No runtime adapter

Authentication map

What setup is declared?

Only field names, types, and required markers are shown. Secret values, default auth URLs, credential material, and inferred OAuth scopes are excluded.
API_KEY

API_KEY

blocknative_api_key

Provider setup

Developer setup

No fields declared in this snapshot.

User connection

  • Blocknative API Keygeneric_api_key · stringRequired

Capability index

Actions and trigger definitions

Static summaries are available. Live schemas remain disabled until PROVIDER_HUB_API_KEY is configured server-side.

Showing 1–10 of 10 actions

Configure Mempool Filters

BLOCKNATIVE_CONFIGURE_FILTERS

Tool to configure filters and ABI decoding for Ethereum mempool transactions. Use after establishing a Blocknative WebSocket connection to set up event filters and decoding.

Untrusted display-only summary

Get Gas Price Distribution

BLOCKNATIVE_GET_GAS_DISTRIBUTION

Tool to retrieve the current mempool gas price distribution breakdown. Use when analyzing gas price trends or preparing fee strategies.

Untrusted display-only summary

Get Gas Oracles

BLOCKNATIVE_GET_GAS_ORACLES

Tool to retrieve metadata on supported gas oracles per chain. Use when you need to dynamically discover all available on-chain gas estimation oracles across networks.

Untrusted display-only summary

Get Gas Prices

BLOCKNATIVE_GET_GAS_PRICES

Tool to fetch gas price estimates for specific inclusion probabilities. Use when you need gas price ranges for the next block or next ~10 seconds.

Untrusted display-only summary

Get Supported Chains

BLOCKNATIVE_GET_SUPPORTED_CHAINS

Tool to retrieve supported chains metadata. Use when discovering available networks for Blocknative gas services.

Untrusted display-only summary

Get Base Fee Estimates

BLOCKNATIVE_PREDICTION_API_BASEFEE_ESTIMATES

Get real-time gas fee predictions for Ethereum mainnet's next 5 blocks. Returns base fee, blob base fee, and priority fee estimates at multiple confidence levels (99% and 50%). Essential for optimizing transaction costs and timing. Predictions include current block context (block number, time since last block) and est…

Untrusted display-only summary

Subscribe Multichain

BLOCKNATIVE_SUBSCRIBE_MULTICHAIN

Generate WebSocket connection details to subscribe to real-time blockchain events (transactions or account activity) across multiple chains via Blocknative's Multichain API. Returns the WebSocket URL and subscription message payload needed to establish the connection and start receiving event notifications for a speci…

Untrusted display-only summary

Subscribe Transaction Hash

BLOCKNATIVE_SUBSCRIBE_TRANSACTION_HASH

Tool to subscribe to transaction state change events of an Ethereum transaction hash. Use after establishing a Blocknative WebSocket connection to prepare the subscription message.

Untrusted display-only summary

Unsubscribe Multichain

BLOCKNATIVE_UNSUBSCRIBE_MULTICHAIN

Tool to unsubscribe from events across multiple chains using the Multichain SDK. Use after stopping monitoring of an address or transaction to clean up resources, e.g., call: blocknative.unsubscribe({ id: '0x..', chainId: '0x1' }).

Untrusted display-only summary

Unsubscribe Transaction Hash

BLOCKNATIVE_UNSUBSCRIBE_TRANSACTION_HASH

Tool to unsubscribe from transaction state change events for an Ethereum transaction hash. Use after establishing a Blocknative WebSocket connection to prepare the unsubscription message.

Untrusted display-only summary

Provenance

Versioned facts, explicit trust.

The detail snapshot comes from an attributed MIT-licensed repository revision. Safe local icons use exact-match CC0 Simple Icons symbols; unmatched brands use monograms.

Repository
https://github.com/provider-directoryHQ/provider-directory
Commit
85e33f6a81dfe987f6fc3637d48d45052cea8ca5
Generated
2026-09-12
Trust policy
untrusted_display_only

Remote text is plain display metadata only. It must never become an agent prompt, execution policy, OAuth grant, or executable instruction.