Osmosis
Provides a bridge to the Osmosis blockchain protocol for executing decentralized finance operations ...
Choose how you’ll obtain a mnemonic (recommended: Keplr browser extension)
- Install Keplr (browser extension) and create a new wallet or open an existing mnemonic-based wallet. When you create a new wallet Keplr will show a recovery (seed) phrase — write it down exactly (12/24 words). If you already have a Keplr wallet you can view/export the mnemonic from the account menu (you’ll be asked for your Keplr password). (help.keplr.app)
(Alternative) Create or export a mnemonic with another Cosmos-compatible wallet
- You may instead use Osmosis-compatible wallets (Keplr, Leap, Cosmostation, etc.) to create or export a seed phrase. Always follow the wallet’s official export instructions and store the phrase securely. (keplr.crunch.help)
Secure the mnemonic before using it
- Store the phrase offline (paper/hardware wallet) and do NOT paste it into untrusted sites or share it. For testing, consider creating a new account with minimal funds to avoid risking mainnet assets. (Security best practice; do not share your mnemonic.)
Open the FastMCP connection interface and click “Install Now”
- In the FastMCP connection UI use the provided “Install Now” button to add the Osmosis MCP server.
Fill the ENV field named OSMOSIS_MNEMONIC in the FastMCP connection form
- In the form field labeled OSMOSIS_MNEMONIC paste your full mnemonic exactly as shown (all words in order, separated by single spaces). Do not add extra surrounding quotes unless the UI explicitly requires them.
- Example value (do NOT use this example; replace with your real phrase):
OSMOSIS_MNEMONIC: word1 word2 word3 … word12/24. - The Osmosis MCP server reads the mnemonic from this environment variable. (playbooks.com)
Save the connection and start the MCP server
- After saving the env value in FastMCP, start the server via the UI’s start/launch action (or use the equivalent npx command locally:
npx -y @osmosis-agent-toolkit/mcp --mnemonic='your mnemonic here'or export OSMOSIS_MNEMONIC and run the package). (playbooks.com)
- After saving the env value in FastMCP, start the server via the UI’s start/launch action (or use the equivalent npx command locally:
(Optional) Debug with the MCP Inspector
- If you need to debug the MCP server, run the MCP Inspector and start the server there; follow the MCP Inspector workflow to Connect and test tools. (modelcontextprotocol.io)
Verify and test
- Once running, verify the server responds in FastMCP/your MCP client (e.g., Claude Desktop) and test only safe operations first. If anything looks wrong, remove the mnemonic from the UI, rotate the account (create/import a new mnemonic), and investigate logs.
If you prefer CLI setup instead of FastMCP
- You can set the environment variable locally and run:
- Unix/macOS:
export OSMOSIS_MNEMONIC='your mnemonic here'thennpx -y @osmosis-agent-toolkit/mcp - Windows (PowerShell):
$env:OSMOSIS_MNEMONIC='your mnemonic here'; npx -y @osmosis-agent-toolkit/mcp
(This mirrors the package’s documented usage.) (playbooks.com)
- Unix/macOS:
- You can set the environment variable locally and run:
How to Install Osmosis
Install Osmosis MCP server with one click through FastMCP. Choose your preferred AI development tool below:
Claude Desktop
Click "Claude Desktop" in Quick Start
Cursor IDE
Click "Cursor IDE" in Quick Start
VS Code
Click "VS Code" in Quick Start
Alternatives to Osmosis
Looking for similar MCP servers? Browse other servers in the same categories on FastMCP, or check out the similar servers listed above.
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