Pincer MCP Server

Secure grip for your agent's secrets - security-hardened MCP gateway with proxy token architecture

Remote serverstreamable-http

What is the Pincer MCP Server?

Secure grip for your agent's secrets - security-hardened MCP gateway with proxy token architecture

What it actually does

Configuration

  • Node.js 18+ - macOS, Windows, or Linux with native keychain support

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
gemini_generateSecure Google Gemini API calls.
openai_chatChat completions with OpenAI GPT models (gpt-4o, gpt-4-turbo, gpt-3.5-turbo, etc.).
openai_list_modelsList all available OpenAI models.
openai_compatible_chatChat completions with **any** OpenAI-compatible API (Azure OpenAI, Ollama, vLLM, etc.).
openai_compatible_list_modelsList models from custom OpenAI-compatible endpoints.
claude_chatChat completions with Anthropic Claude models (Claude 3.5 Sonnet, Opus, Haiku).
openrouter_chatUnified API access to 100+ models from multiple providers (OpenAI, Anthropic, Google, Meta, etc.).
openrouter_list_modelsList all available models across OpenRouter providers.
openwebui_chatOpenAI-compatible interface for self-hosted LLMs.
openwebui_list_modelsDiscover available models on an OpenWebUI instance.
gpg_sign_dataSign data or files using a GPG/PGP private key stored in Pincer's vault. *(Keyless Execution — agent never sees the key)*
gpg_decryptDecrypt PGP-encrypted data using a vault-stored private key.

How to install the Pincer MCP Server

{
  "mcpServers": {
    "pincer": {
      "command": "npx",
      "args": ["-y", "pincer-mcp"],
      "env": {
        "PINCER_PROXY_TOKEN": "your-value"
      }
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

  • Node.js 18+ - macOS, Windows, or Linux with native keychain support
VariableDescriptionRequired
PINCER_PROXY_TOKENCredential the server authenticates with.Yes

Example prompts to try

  • “Use Pincer to gemini generate.”
  • “Use Pincer to openai chat.”
  • “Use Pincer to openai list models.”

Frequently asked questions

Secure grip for your agent's secrets - security-hardened MCP gateway with proxy token architecture Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.