mcptools
A command-line interface for interacting with MCP (Model Context Protocol) servers using both stdio and HTTP transport.
No outside reports on file
Use mcptools only with MCP servers you trust, on isolated networks, and never with production credentials or sensitive data.
Based on public adoption and transparency signals as of Oct 22, 2026. Our opinion, not a code audit or security guarantee.
What it can access
- Local filesReads & writes local foldersREVIEW
- Command executionRuns shell or system commandsREVIEW
- Network reachLocal or standard API callsLOW
- CredentialsNo API token requiredLOW
- Package sourceGitHub (f/mcptools)PUBLIC
Inferred from this listing’s public package details and description. Check the project’s source before installing.
Install
No npm or PyPI package is listed. Install from source: github.com/f/mcptools ↗
About Mcptools
mcptools is a command-line tool that lets you connect to and test MCP (Model Context Protocol) servers. It supports both stdio (direct piping) and HTTP network connections, making it useful for developers who want to debug or interact with MCP servers manually.
Who it’s for
Software developers building or testing MCP servers, and people who want to experiment with MCP protocol implementations from the command line.
Alternatives
- Claude Desktop MCP integration: Claude's native MCP support, built-in and verified by Anthropic.
- mcp-cli: A simpler CLI tool for MCP server testing (if available).
- curl + jq: Manual HTTP or JSON testing for MCP endpoints (more control, requires more setup).
Setup
Check these steps against the project’s own instructions before running anything.
Follow the project's README for installation instructions, as this is a development tool with multiple transport options that may need custom configuration.
Why this grade
Signal-based grade (3/7 points): well starred on GitHub, public source code. This reflects adoption and transparency, not a code review.
Popularity and upkeep
- GitHub stars
- 1.6k
- Listing last refreshed
- 2026-10-28
These are public popularity signals, not a maintenance check. Look at the repository’s commit history and open issues.
Security reports
No reports found for this package in our research (last checked 2026-10-29).
Risks to watch for
- Command execution: If the tool runs MCP server commands, a malicious server could execute arbitrary code on your machine.
- Network exposure: HTTP transport mode could leak data to or receive malicious responses from untrusted servers on your network.
- Server responses as code: MCP servers send structured data that tools parse; crafted responses might confuse the parser or trigger unexpected behavior.
- Credential leakage: If servers or tools log requests, API keys or sensitive context passed through MCP could be exposed.
- Unprivileged context assumption: No clear signal of how it handles file permissions—could read/write files the user owns.
How to lower the risk
Least-privilege permissions
- Run the tool as a limited user, not as admin or root.
- Restrict file system access to only directories needed for testing.
Network isolation
- Only connect to MCP servers on localhost or private, trusted networks.
- Avoid HTTP mode with servers on the internet or untrusted subnets.
Monitoring
- Check logs for unexpected command execution or file access.
- Watch for unusual network traffic or connection attempts.
Red flags to watch for
- Any server that asks for passwords, API keys, or private credentials.
- Responses that are extremely large or malformed.
- Servers you didn't explicitly enable or recognize.
Questions
How do I install Mcptools?
Mcptools does not publish a standalone npm or PyPI package. Clone or follow the setup instructions in its source repository at github.com/f/mcptools.
Are there security reports about Mcptools?
No reports found for this package in our research (last checked 2026-10-29). Mcptools currently holds Grade C (Moderate risk signals) based on public adoption and transparency signals. Key risk areas to watch include command execution, network exposure, server responses as code.
Is Mcptools actively maintained?
Mcptools has 1.6k GitHub stars. Our directory data was last refreshed on 2026-10-28. Check recent commit activity, release tags, and open issues at github.com/f/mcptools before pinning it in production.
What are alternatives to Mcptools?
Notable alternatives to Mcptools include Claude Desktop MCP integration (Claude's native MCP support, built-in and review by Anthropic), mcp-cli (A simpler CLI tool for MCP server testing (if available)), curl + jq (Manual HTTP or JSON testing for MCP endpoints (more control, requires more setup)). You can also compare Mcptools side by side with other MCP servers in the Related tools section on this page.
README badge and team notes
Maintain or use Mcptools? Show its live grade in your GitHub README, docs site, or run a check from the terminal before you install.
GitHub README Markdown:
[](https://agentarmorhq.com/skills/f-mcptools)HTML embed:
<a href="https://agentarmorhq.com/skills/f-mcptools"><img src="https://agentarmorhq.com/api/badge/f-mcptools" alt="AgentArmorHQ Risk Grade for Mcptools" height="20" /></a>Terminal check:
curl -fsSL https://agentarmorhq.com/api/cli | node --input-type=module - check "f-mcptools"Share with your security lead
Need sign-off to use mcptools? Copy this note for Slack, a ticket or a pull request.
### AgentArmorHQ Security Review Memo: mcptools
- **Listing URL:** https://agentarmorhq.com/skills/f-mcptools
- **Type:** App connector
- **Risk Grade:** Grade C (Moderate risk signals)
- **Outside Security Advisories on File:** 0
- **Public Adoption:** 1.6k GitHub stars
#### Permission & Blast-Radius Signals
- **Local files:** Reads & writes local folders
- **Command execution:** Runs shell or system commands
- **Network reach:** Local or standard API calls
- **Credentials:** No API token required
- **Package source:** GitHub (f/mcptools)
#### Recommended Hardened Setup
- **Source Repo:** https://github.com/f/mcptools
- **Controls:** Pin an exact version in `.mcp.json`, scope access to a single workspace folder, and use a least-privilege read-only token where supported.
_Based on public adoption and transparency signals as of Oct 22, 2026. Our opinion, not a code audit or security guarantee._Key facts
- Type
- App connector
- Publisher
- f
- Source code
- github.com/f/mcptools
- Est. context load
- ~1.1k tokens / turn (~6 tool schemas, 0.53% of 200k context)
- Popularity
- 1.6k GitHub stars
- Last updated
- 2026-10-28
- Last graded
- 2026-10-22
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