Connect
Optimize
Secure
LogicMelon MCP Server
for AI Agents
Production-ready LogicMelon MCP server with 28 extensible actions — plus built-in authentication, security, and optimized execution.
LogicMelon MCP Server
Built by 
StackOne
StackOne 
Coverage
28 Agent Actions
Create, read, update, and delete across LogicMelon — and extend your agent's capabilities with custom actions.
Authentication
Agent Tool Authentication
Per-user OAuth in one call. Your LogicMelon MCP server gets session-scoped tokens with zero credentials stored on your infra.
Agent Auth →
Security
Agent Protection
Every LogicMelon tool response scanned for prompt injection in milliseconds — 88.7% accuracy, all running on CPU.
Prompt Injection Defense →
Performance
Max Agent Context. Min Cost.
Free up to 96% of your agent's context window to enhance reasoning and reduce cost, on every LogicMelon call.
Tools Discovery →What is the LogicMelon MCP Server?
A LogicMelon MCP server lets AI agents read and write LogicMelon data through the Model Context Protocol — Anthropic's open standard for connecting LLMs to external tools. StackOne's LogicMelon MCP server ships with 28 pre-built actions, fully extensible via the Connector Builder — plus managed authentication, prompt injection defense, and optimized agent context. Connect it from MCP clients like Claude Desktop, Cursor, and VS Code, or from agent frameworks like OpenAI Agents SDK, LangChain, and Vercel AI SDK.
All LogicMelon MCP Tools and Actions
Every action from LogicMelon's API, ready for your agent. Create, read, update, and delete — scoped to exactly what you need.
Users
- Create User
Create user
- List Users
List users
- Update User
Update user
Adverts
- Create Advert
Create a new job advert in LogicMelon
- List Adverts
List adverts with filters
Organisations
- Create Organisation
Create organisation
- List Organisations
List organisations
- Update Organisation
Update organisation
- Delete Organisation
Delete organisation
Other (19)
- Add Advert Values
Add field values to an advert
- Create Advert Candidate
Create an applicant for an advert
- Create Advert Candidate With Document
Create an applicant with resume/CV
- Create Advert Candidate Note
Create a note for a candidate
- List Adverts Paged
List adverts with pagination support
- List Applications
List applications by job or board
- List Applications Paged
List applications with pagination
- List Public Feeds
List public job board feeds
- Get Login URL
Get login URL for LogicMelon UI
- Get Currencies
Retrieve available currencies for salary fields
- Get Values
Get lookup values for fields
- Query Job Title
Query job titles
- Query Locations
Search for locations by name to get location identifiers
- Deliver Advert
Validate and mark advert for delivery
- Track Advert
Track advert delivery status
- Close Advert
Close advert on job boards
- Archive Advert
Archive advert and stop all postings
- Unarchive Advert
Restore an archived advert
- Candidate Tag
Tag a candidate in the system
Set Up Your LogicMelon MCP Server in Minutes
One endpoint. Any framework. Your agent is talking to LogicMelon in under 10 lines of code.
MCP Clients
Agent Frameworks
JSON{
"mcpServers": {
"stackone": {
"command": "npx",
"args": [
"-y",
"mcp-remote@latest",
"https://api.stackone.com/mcp?x-account-id=<account_id>",
"--header",
"Authorization: Basic <YOUR_BASE64_TOKEN>"
]
}
}
}More Recruiting MCP Servers
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HiBob (with Webhooks)
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LogicMelon MCP Server Resources
MCP Code Mode: Keeping Tool Responses Out of Agent Context
Anthropic's code_execution processes data already in context. Custom MCP code mode keeps raw tool responses in a sandbox. 14K tokens vs 500.
11 min
Comparing BM25, TF-IDF, and Hybrid Search for MCP Tool Discovery
Benchmarking BM25, TF-IDF, and hybrid search for MCP tool discovery across 916 tools. The 80/20 TF-IDF/BM25 hybrid hits 21% Top-1 accuracy in under 1ms.
10 min
Indirect Prompt Injection Defense for MCP Tools: A Technical Guide
MCP tools that read emails, CRM records, and tickets are indirect prompt injection vectors. Here's how we built a two-tier defense that scans tool results in ~11ms.
12 min
LogicMelon MCP Server FAQ
LogicMelon MCP server vs direct API integration — what's the difference?
A LogicMelon MCP server and direct API integration serve different use cases. Direct API integration is for software-to-software — backend code calling LogicMelon. A LogicMelon MCP server is for AI agents — MCP clients like Claude and Cursor, plus framework agents built with OpenAI, LangChain, or Vercel AI — discovering and calling LogicMelon at runtime. StackOne provides both.
How does LogicMelon authentication work for AI agents?
LogicMelon authentication for AI agents works through a StackOne Connect Session. Create one via the dashboard or the SDK — you get an auth link and ready-to-paste config for Claude Desktop, Cursor, and other MCP clients. Your user authenticates their own LogicMelon account; StackOne handles token exchange, storage, and refresh. Credentials never reach the LLM, and each user is isolated via
origin_owner_id.Are LogicMelon MCP tools vulnerable to prompt injection?
Yes — LogicMelon MCP tools can be vulnerable to indirect prompt injection. Any tool that reads user-written content — documents, messages, tickets, records, or free-text fields — is a potential vector. StackOne Defender scans every tool response before it enters the agent's context — regex patterns in ~1ms, then a MiniLM classifier in ~4ms. 88.7% accuracy, CPU-only.
What is the context bloat of a LogicMelon agent and how do I avoid it?
Context bloat happens when LogicMelon tool schemas and API responses eat your LogicMelon agent's memory, preventing it from reasoning effectively. A single LogicMelon query can return a massive JSON response, and connecting multiple tools compounds the problem. Tools Discovery and Code Mode reduce context bloat — loading only relevant tools per query and keeping raw responses out of the agent's context.
Can I limit which actions my LogicMelon agent can access?
Yes — you can limit which actions your LogicMelon agent can access directly from the StackOne dashboard. Toggle actions on or off, or restrict them to specific accounts, with no code changes to your agent. Session tokens can be scoped to exact actions so if one leaks, exposure stays contained.
Can I create custom agent actions for my LogicMelon MCP server?
Yes — you can create custom agent actions for your LogicMelon MCP server using Connector Builder. It's an integration agent your coding assistant (Claude Code, Cursor, or Copilot) can invoke to research LogicMelon's API, generate production-ready connector YAML, test against the live API, and validate before you ship.
When should I NOT use a LogicMelon MCP server?
Skip a LogicMelon MCP server if your integration is purely software-to-software — direct LogicMelon API integration is simpler when no AI agent is involved. For deterministic, compliance-critical operations (financial transactions, regulatory reporting), direct API gives you predictable behavior without agent-driven decision-making. MCP shines when AI agents need to dynamically discover and call LogicMelon actions at runtime.
What AI frameworks and AI clients does the StackOne LogicMelon MCP server support?
The StackOne LogicMelon MCP server supports both. MCP clients (paste-and-go apps): Claude Desktop, Claude Code, Cursor, VS Code, Goose. Agent frameworks (code SDKs you build with): OpenAI Agents SDK, Anthropic, Vercel AI, Google ADK, CrewAI, Pydantic AI, LangChain, LangGraph, Azure AI Foundry.
Put your AI agents to work
All the tools you need to build and scale AI agent integrations, with best-in-class connectivity, execution, and security.