A free Postman-style API client with collections in .tiger files and a built-in MCP server so an agent can run your requests.
MCP servers for AI agents
An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. This section lists servers with their transport, auth method and environment variables, an install command and an access level with its reasons.
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causal-memory keeps decision-to-outcome links outside agent context, so reasons for past choices survive compaction.
A debugger MCP server: the agent sets breakpoints, steps through code and reads variables of a live program over DAP.
Self-hosted agent memory: an MCP server stores facts and preferences and searches them with a Neo4j graph and citations.
MCP-сервер для ERP Kingdee K3Cloud: 15 инструментов запросов, выгрузки и документов с режимом только для чтения.
An MCP server for MikroTik RouterOS and SwOS: 133 typed tools with dry-run, snapshots and change rollback.
Official
HitKeep is open source cookieless web analytics in one binary with a read-only MCP server that gives assistants aggregate data.
A Mac workspace with a computer-use MCP server: agents work in their own browser tabs and in native apps.
Firenook replaces the Firebase emulator with a fast native engine and gives agents MCP access to Firestore, Auth and Storage.
A local infinite-canvas design tool: an app description becomes HTML screens and your agent edits the canvas over MCP.
An MCP server that opens a remote repository clone in an isolated container and gives the agent files, commands, Git and tasks.
mcp-abap-adt opens SAP ECC, S/4HANA and BTP ABAP repositories to an agent: analysis, creation and editing of objects through ADT.
Your own server gives every agent shared memory, AST-level code search and pre-commit checks through one MCP endpoint.
An MCP server giving ChatGPT and agents a terminal, files, Playwright and remote machines inside an isolated workspace.
Official
apra-fleet runs a fleet of AI agents across machines and models through MCP and drives multi-hour workflows
An MCP server that turns GitHub Projects v2 into a work queue for agents: they claim tasks, report progress and spend a budget.
An MCP server giving an agent three Jev tools: typed yes or no, choice and score questions with probabilities, offline by default.
An agent compares prices, reviews and subscriptions of both stores in one call, while keys stay in the macOS Keychain.
dbt-doctor scores a dbt project's health, profiles models, detects schema drift and writes documentation into schema.yml.
mcp-gsheets reads and edits Google Sheets through a service account: values, formatting, charts and native tables.
MCP SSH Agent is an MCP server that reads hosts from ~/.ssh/config, runs commands and copies files through system ssh and scp.
An MCP builder agent that picks servers from the official registry and composes them into your own agentic MCP server.
An MCP server for Apple Mail on macOS: search, reading, drafts, rules and attachments, with confirmation for dangerous steps.
An MCP bridge to VS Code that gives agents language-server diagnostics and symbol references instead of slow tsc runs.
Frequently asked questions
What is an MCP server?
An MCP server connects an agent to external data and tools over a single protocol: files, databases, APIs and services. The agent calls its tools while it works.
How do I connect an MCP server to an agent?
The card lists how to run it (npx, uvx, docker or a remote URL) and the environment variables. A config snippet goes into the agent settings.
Do I need a key or a paid account?
It depends on the server. Each card states the auth method and requirements, including paid accounts, in the limitations block.