Cosmos SDK Migration Server

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An MCP server for migrating Cosmos SDK chains from v0.50+ to v0.54.

автор: cosmos

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Описание

An MCP server for migrating Cosmos SDK chains from v0.50+ to v0.54.

README

An MCP (Model Context Protocol) server for migrating Cosmos SDK chains from v0.50+ to v0.54.

This repository packages the migration server, the YAML migration specs, the orchestration guide, and the bundled upgrade-doc resources it exposes over MCP.

Install

pip install cosmos-migration-mcp

Or for local development:

git clone https://github.com/cosmos/cosmos-sdk-migration-mcp.git
cd cosmos-sdk-migration-mcp
pip install -e .

Run

The package exposes a cosmos-migration-mcp console script:

cosmos-migration-mcp

You can also run it as a module:

python -m cosmos_migration_mcp

Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "cosmos-migration": {
      "command": "cosmos-migration-mcp"
    }
  }
}

Claude Code

claude mcp add cosmos-migration -- cosmos-migration-mcp

Reference

Canonical Cosmos SDK Upgrade Guide — The official upstream source for breaking changes and migration instructions for all Cosmos SDK versions.

This MCP server bundles snapshots of the v0.54 upgrade documentation and migration specs. Always consult the canonical upstream guide for the latest information and breaking changes.

Tools

Tool	Description
`scan_chain_tool`	Detect SDK version and which specs apply to a chain
`get_migration_plan`	Preview all changes without modifying files
`apply_spec`	Apply a single spec, including go.mod edits, arg rewrites, and special cases
`verify_spec_tool`	Run verification checks for one spec
`verify_all_specs`	Run verification for an explicit spec list or for currently detectable specs
`verify_build`	Run `go build ./...` and return structured results
`run_go_mod_tidy`	Run `go mod tidy` and return structured results
`run_tests`	Run `go test ./...` and return structured results
`show_diff`	Show git diff of changes in the chain directory
`list_specs`	List all available migration specs
`get_spec`	Get full content of a specific spec
`check_warnings`	Check for fatal blocks and warnings

Resources

URI	Description
`specs://v50-to-v54/{id}`	Read a spec as YAML text
`specs://v50-to-v54/index`	List all specs with metadata
`agents://orchestration`	Read the bundled orchestration guide
`docs://upgrading/v0.54`	Read the bundled v0.54 upgrade guide
`docs://upgrade-checklist/v0.54`	Read the bundled upgrade checklist section
`docs://changelog/v0.54-breaking`	Read the bundled v0.54 breaking changes section
`docs://release-notes/v0.54`	Read the bundled v0.54 release notes

Prompts

Prompt	Description
`migrate_chain`	Full workflow: scan → plan → apply → verify → report
`assess_chain`	Scan-only: detect version, estimate effort, no changes
`debug_build_failure`	Diagnose post-migration build errors

from github.com/cosmos/cosmos-sdk-migration-mcp

Установить Cosmos SDK Migration Server в Claude Desktop, Claude Code, Cursor

Рекомендуется · одна команда, все IDE

unyly install cosmos-sdk-migration-mcp-server

Ставит в Claude Desktop, Claude Code, Cursor и VS Code — сам разбирается с npx, uvx и сборкой из исходников.

Впервые? Поставь CLI: curl -fsSL https://unyly.org/install | sh

Или настроить вручную

Выполни в терминале:

claude mcp add cosmos-sdk-migration-mcp-server -- uvx cosmos-migration-mcp

FAQ