One portal for all your MCP servers
onemcp is a portal that unifies multiple Model Context Protocol (MCP) servers behind a single endpoint so AI clients connect once while the portal handles routing, native OAuth, and a Code Mode meta-tool interface to dramatically reduce prompt bloat and simplify agent workflows.
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Quick Overview
Best for: Software & Gaming
What it does
AI Agents software for decision-makers comparing workflow fit and alternatives.
Best fit
Software & Gaming
Pricing snapshot
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One portal for all your MCP servers
onemcp provides a single portal endpoint that aggregates multiple MCP servers so AI clients only need to connect once. The portal handles routing, native upstream OAuth, and exposes three Code Mode meta-tools (search, describe, execute) so models script against tools on demand rather than embedding hundreds of tool schemas in every prompt. It is aimed at teams building agents and workflows that call multiple upstream services (GitHub, Slack, Postgres, etc.) and want to reduce prompt context, centralize auth, and simplify client configuration.
onemcp unifies all your Model Context Protocol (MCP) servers behind one portal endpoint. Connect your AI client once — native OAuth and Code Mode, no credential sprawl or context bloat.
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Claim this listing for $29Key Features
Unified endpoint
Expose all MCP servers behind a single portal URL so clients only need one connection and you can add or swap upstream servers without touching client config.
Code Mode (three meta-tools)
Replace hundreds of tool definitions with three meta-tools (search, describe, execute) so the model discovers and scripts tools on demand, dramatically reducing prompt size.
Native upstream OAuth
Portals authenticate to upstream servers with a full OAuth flow so credentials stay host-side and are not scattered across clients.
Per-portal auth scoping
The same upstream server can carry different credentials in different portals — auth is scoped to portal membership rather than a global account.
Import & export portals
Move a portal between environments or share a setup as a single portable config file.
Request logs
See every client request flowing through a portal to debug what agents are actually calling.
Pricing
Current pricing details are not available from the vendor source.
Use Cases
Agent development and deployment
Let agents discover and script across many tool servers using a single endpoint and Code Mode meta-tools instead of shipping huge tool definitions in prompts.
Reduce prompt/context bloat
Shrink per-request system prompt size from thousands of tokens to a few hundred so the model's window focuses on the task rather than tool schemas.
Centralized credential management
Keep upstream OAuth credentials host-side and scope credentials per-portal to limit credential distribution across clients.
Multi-environment portability
Export and import portal configs to move or share tool mappings across environments quickly.
Integrations
GitHub
Example upstream MCP server (github.create_issue, github.search_issues shown in examples).
Slack
Example upstream MCP server for messaging (slack.post_message, slack.list_channels shown).
Postgres
Example upstream MCP server for database queries (postgres.query, postgres.list_tables shown).
Linear
Issue tracking server (linear.create_issue shown).
Notion
Content/notes server (notion.create_page shown).
Jira
Issue/ticketing server (jira.create_ticket shown).
Stripe
Payments server (stripe.create_refund shown).
Sentry
Error/issue tracking server (sentry.list_issues shown).
Benefits
Limitations
Frequently Asked Questions
No verified FAQs are available.
Getting Started
- 1 Step 1: Create your first portal on the onemcp site (Create your first portal →).
- 2 Step 2: Configure upstream MCP servers in the portal config (example: ~/.config/mcp.json with mcpServers entries for GitHub, Slack, Postgres, etc.).
- 3 Step 3: Point your AI client at the portal endpoint and use the portal meta-tools (search, describe, execute) to script against tools.
Support
docs
Project site and getting started content available at https://onemcp.dev/
API
https://onemcp.dev/
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