ChainRPC MCP

NPM · CHAINRPC-MCP · 2 COMPONENTS · SCANNED AUG 20

Safety-first EVM and Bitcoin RPC tools for balances, contracts, blocks, and transactions

Available components

remote · chainrpc-mcp.mitander.io 62 npm · chainrpc-mcp 65

65 65 Trust /100

Trust breakdown (6 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 →

Supply Chain Security98

No malware found by supply-chain analysis.Pass
No known CVEs affecting this package version or its production dependencies.Pass
No install/post-install scripts declared.Pass
30 of 112 dependencies flagged as unhealthy. View diagnostics → Partial

Provenance & Transparency48

Source repository is publicly reachable at the declared URL. View diagnostics → Pass
Provenance check failed: no build-provenance attestation is published. See how to fix → View diagnostics → Fail
Clear OSI-approved license (MIT).Pass
Actively maintained (last published 0 days ago).Pass
Publishes a security disclosure policy (SECURITY.md).Pass

Schema Quality & AI Usability70

AI-judged instruction clarity (good).Pass
Tool/resource definitions use about 768 tokens (~42/item across 18 items; 18 tools + 0 resources), lean.Pass
Usage-examples check failed: none of the tools include examples. See how to fix → Fail

Stability & Change Management0

Stability not yet verified: not enough scan history yet (needs a 30-day window).Unverified

Tool Coverage69

100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
6% of tool parameters carry a description.Partial

Capabilities100

Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass

Unverified: 1 category

A category scored 0 because we could not verify it: a data source with nothing on this package, evidence we could not reach, or a check we could not run. We only credit what we can confirm.

Install

Add this component to your MCP client. Where a client-specific snippet is available, pick your client below and copy it straight into your config; otherwise use the connection detail shown.

npm · chainrpc-mcp

Claude Codex opencode OpenClaw Hermes Other

# add to Claude Code

claude mcp add john0n1-chainrpc-mcp -- npx -y chainrpc-mcp

# add to Codex CLI

codex mcp add john0n1-chainrpc-mcp -- npx -y chainrpc-mcp

// opencode.json

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "john0n1-chainrpc-mcp": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "chainrpc-mcp"
      ],
      "enabled": true
    }
  }
}

# add to OpenClaw

openclaw mcp add john0n1-chainrpc-mcp --command npx --arg -y --arg chainrpc-mcp

# ~/.hermes/config.yaml

mcp_servers:
  john0n1-chainrpc-mcp:
    command: "npx"
    args: ["-y", "chainrpc-mcp"]

// mcp.json

{
  "mcpServers": {
    "john0n1-chainrpc-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "chainrpc-mcp"
      ]
    }
  }
}

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.

19 Aug 26 65

First indexed and scored.

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 20 Aug 2026 · Analysed npm/chainrpc-mcp@2.0.2

Provenance No attestation

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

Result	No attestation
Ecosystem	npm

Dependencies 112 packages

Packages resolved	112
Stale	30
Tree resolution	Complete

MCP tools · 18 exposed · ~768 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.

Tool Tokens

btc_broadcastTransaction ~75

Validate and broadcast an already-signed Bitcoin transaction. Disabled unless ALLOW_BITCOIN_BROADCAST=true; never signs or stores keys.

Input Output Examples

Name	Type	Req	Description
confirmation	string	yes	–
expectedNetwork	string	yes	–
maxFeeRateBtcPerKvB	number	–	–
rawTransaction	string	yes	–

No output schema declared.

No examples provided.

btc_decodeRawTransaction ~27

Decode a serialized Bitcoin transaction without broadcasting it.

Input Output Examples

Name	Type	Req	Description
rawTransaction	string	yes	–

No output schema declared.

No examples provided.

btc_estimateFee ~39

Estimate a Bitcoin fee rate for confirmation within a target number of blocks.

Input Output Examples

Name	Type	Req	Description
confirmationTarget	integer	yes	–
mode	string	–	–

No output schema declared.

No examples provided.

btc_getAddressBalance ~49

Scan the Bitcoin UTXO set for an address and return its confirmed spendable outputs. This is not address history and shared RPC nodes may reject concurrent scans.

Input Output Examples

Name	Type	Req	Description
address	string	yes	–

No output schema declared.

No examples provided.

btc_getBlock ~33

Read a Bitcoin block by height or hash with selectable verbosity.

Input Output Examples

Name	Type	Req	Description
block	–	yes	–
verbosity	integer	–	–

No output schema declared.

No examples provided.

btc_getBlockchainInfo ~23

Return Bitcoin network, chain height, sync, and pruning information.

Input Output Examples

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

btc_getTransaction ~45

Read a raw Bitcoin transaction by txid. A block hash can make confirmed transaction lookup more reliable.

Input Output Examples

Name	Type	Req	Description
blockHash	string	–	–
txid	string	yes	–

No output schema declared.

No examples provided.

btc_getTxOut ~54

Read an unspent Bitcoin transaction output. Returns null when the output is spent or unknown.

Input Output Examples

Name	Type	Req	Description
includeMempool	boolean	–	–
txid	string	yes	–
vout	integer	yes	–

No output schema declared.

No examples provided.

evm_broadcastTransaction ~64

Preflight and broadcast an already-signed EVM transaction. Disabled unless ALLOW_EVM_BROADCAST=true; never signs or stores keys.

Input Output Examples

Name	Type	Req	Description
confirmation	string	yes	–
expectedChainId	integer	yes	–
rawTransaction	string	yes	–

No output schema declared.

No examples provided.

evm_call ~65

Run a read-only eth_call with pre-encoded calldata. This never submits a transaction.

Input Output Examples

Name	Type	Req	Description
block	string\|number	–	–
data	string	–	–
from	–	–	–
to	string	yes	–
valueWei	string\|number	–	–

No output schema declared.

No examples provided.

evm_estimateTransaction ~29

Estimate gas for an unsigned EVM transaction. Values are accepted as decimal or hex quantities.

Input Output Examples

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

evm_getBlock ~37

Read an EVM block by number, tag, or block hash.

Input Output Examples

Name	Type	Req	Description
block	–	yes	–
includeTransactions	boolean	–	–

No output schema declared.

No examples provided.

evm_getBlockNumber ~23

Return the latest EVM block number from the configured endpoint.

Input Output Examples

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

evm_getChainInfo ~22

Return the EVM chain ID and upstream client version.

Input Output Examples

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

evm_getLogs ~25

Read EVM event logs using an address/topics filter and bounded block range.

Input Output Examples

Input schema present but exposes no named parameters.

No output schema declared.

No examples provided.

evm_getNativeBalance ~56

Read an address native-token balance at an EVM block without requiring a wallet.

Input Output Examples

Name	Type	Req	Description
address	string	yes	–
block	string\|number	–	Block number or latest, earliest, pending, safe, or finalized

No output schema declared.

No examples provided.

evm_getTransaction ~29

Read an EVM transaction and its receipt by transaction hash.

Input Output Examples

Name	Type	Req	Description
hash	string	yes	–

No output schema declared.

No examples provided.

evm_readContract ~73

Encode, execute, and decode a read-only smart-contract function using a supplied JSON ABI.

Input Output Examples

Name	Type	Req	Description
abi	array	yes	JSON ABI entries needed for this function
address	string	yes	–
args	array	–	–
block	string\|number	–	–
functionName	string	yes	–

No output schema declared.

No examples provided.

On this page

Handy links

Scoring key

80+ high trust
60–79 medium
below 60 low

How we score

Score history · last 30 days

19 Aug 20 Aug