nikicat/mcp-wallet-signer

[email protected] scope: browser-evm-signer Maintenance

This release keeps dependencies and maintenance posture current for teams operating this tool.

Published 14d MCP Browser & Automation

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✓ No known CVEs patched

Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

ai-agent blockchain eip-6963 ethereum mcp metamask

+5 more

model-context-protocol non-custodial typescript wallet web3

ReleasePort's take

Light signal

editorial:auto 13d

Version 0.2.0 of browser-evm-signer introduces major API changes.

Why it matters: Plan a migration for any code using the API surface before upgrading to 0.2.0; breaking changes are indicated by the version bump from 0.1.13.

Summary

Routine maintenance release for nikicat/mcp-wallet-signer.

Changes in this release

Type	Severity	Summary	CVE
Breaking	High	Version bumped from 0.1.13 to 0.2.0, indicating potential breaking changes. Version bumped from 0.1.13 to 0.2.0, indicating potential breaking changes. Source: granite4.1:30b@2026-05-21-audit Confidence: low	—
Breaking	Medium	Major API changes introduced in version 0.2.0. Major API changes introduced in version 0.2.0. Source: llm_adapter@2026-05-21 Confidence: low	—

Full changelog

Full Changelog: https://github.com/nikicat/mcp-wallet-signer/compare/[email protected]@0.2.0

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About nikicat/mcp-wallet-signer

Non-custodial EVM wallet MCP — routes transactions to browser wallets (MetaMask, etc.) for signing. Private keys never leave the browser; every action requires explicit user approval via EIP-6963.

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Related context

Related tools

Earlier breaking changes

[email protected] Migrates from browser-tron-signer v0.3.x to mcp-wallet-signer v0.6.0.
[email protected] Removes support for browser-tron-signer v0.3.x APIs.
[email protected] API schema changed to a maximalist format, breaking compatibility.
[email protected] MCP wallet signer API schema is now maximalist and incompatible with previous versions.
[email protected] Removes deprecated `legacySigner` API, requiring updates to existing integrations.