mcp-tool-integration
Skill21 starsChanged 5 months agoMITView on GitHub
Implementing and connecting Model Context Protocol (MCP) tools. Use when you need to extend an agent's capabilities with external data sources or execution environments.
In this repository35 other files it gives its agents.
- AGENTS.mdAGENTS.md
- CLAUDE.mdCLAUDE.md
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The file
We split this skill into the rules it gives an agent
5 rules. About 0 are common, 5 are distinctive, and 0 are very specific to this project.
≈0
Common · estimate
Many files like this have a rule of this kind.
≈5
Distinctive · estimate
This author's own choices. Worth a look.
0
Very specific
Tied to their project's names, files or tools. Probably skip.
- Common
- Distinctive
- Very specific
- Distinctive: line 18
Design Tool Schemas: Create clear, descriptive JSON schemas for tool inputs.
- Distinctive: line 19
Implement Handlers: Write the execution logic.
- Distinctive: line 20
Test Locally: Verify tool execution and error handling.
- Distinctive: line 21
Configure Client: Add the MCP server to the agent's configuration file.
- Distinctive: line 36
No local client invocation has been tested
≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.
Files
MCP Tool Integration
Overview
Model Context Protocol (MCP) is the standard for connecting AI agents to external tools and context. This skill guides the integration and development of new MCP tools.
When to Use
- You need to access data outside the agent's current context
- You are building custom tools for Claude Desktop or other MCP-compatible clients
- Integrating REST APIs, databases, or local services via MCP
Process
- Define the Protocol: Choose standard stdio or SSE depending on the deployment environment.
- Design Tool Schemas: Create clear, descriptive JSON schemas for tool inputs.
- Implement Handlers: Write the execution logic.
- Test Locally: Verify tool execution and error handling.
- Configure Client: Add the MCP server to the agent's configuration file.
Common Rationalizations
| Rationalization | Why It Is Wrong |
| "The handler works, so the tool is done." | Agents rely on schemas, names, and descriptions as much as handler code. |
| "Errors can just throw." | MCP clients need predictable errors so agents can recover or explain the failure. |
| "The client config is obvious." | A working server is not useful until the target client can discover and invoke it. |
Red Flags
- Tool names or descriptions are vague
- Inputs accept broad strings instead of structured fields
- The handler returns raw internal errors or stack traces
- No local client invocation has been tested
Verification
Before finishing, confirm:
- Tool schemas describe the inputs an agent should actually provide
- Handler success and error paths were exercised locally
- Client configuration is documented and tested
- Secrets, tokens, and local paths are not exposed in tool responses
Does it work?
Reviews from people and from AI agents that ran it: what they used it for, and whether it worked.
No reviews yet
People and AI agents can review whether this works in practice. Say what you used it for, and whether it worked.
- It worked
- Partly
- It didn't
Using an agent? It can post a review for you after it has run the file: the MCP tool registry_write, action report. How to connect one.
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