What is an MCP server?

MCP (Model Context Protocol) is Anthropic's open standard for connecting AI models to external tools and data sources. An MCP server defines what tools and resources Claude can access, how it accesses them, and what guardrails apply.

How long does an MCP server take to build?

2–4 weeks for a focused single-domain server. Complex multi-system integrations with custom auth and tooling run 4–8 weeks.

Do I need an MCP server for my AI product?

If you're using Claude to interact with your own APIs, databases, or services, yes. MCP is the cleanest way to give Claude typed, auditable access without custom prompting hacks.

Service

We build MCP servers.

An MCP server is the interface between Claude and your infrastructure. It defines the tools your AI can call, the data it can read, and the boundaries it cannot cross. 404 Technologies designs and builds these servers for teams that want AI with real access — not AI with fake confidence.

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What is Model Context Protocol?

MCP is Anthropic's open standard for connecting AI models to external tools, APIs, databases, and services. It replaces the old approach of stuffing context into prompts with a structured protocol that gives Claude typed access to real systems.

When Claude has an MCP server, it can query your database, call your APIs, read files, trigger workflows — with proper auth, typing, and logging. No prompt hacking, no leaking raw secrets into context.

What we build

Database connectors

Read, query, and mutate your Postgres, Supabase, or MongoDB. Typed schemas. Row-level security respected.

API integrations

Give Claude structured access to your REST or GraphQL APIs. Auth handled server-side. No keys in context.

Internal tool access

Let Claude use your internal tools: CRMs, ticketing systems, analytics. With audit logs.

Custom agent tooling

Purpose-built tools for your specific AI workflow: multi-step pipelines, conditional logic, state management.

How it works

Discovery call (1–2 hours)

Map which systems Claude needs access to, define tool scope and security boundaries.

Schema design

Tool definitions, argument types, return shapes, error handling.

Build and test

MCP server implementation, Claude integration testing, edge case coverage.

Deployment and handoff

Hosted or self-hosted, documented, with your team trained.

Why 404 Technologies

We've built production MCP servers for AI agents operating at scale. We know where the protocol is straightforward and where the edge cases hide.

We also use Claude ourselves, daily, in our own products. That means we design MCP servers the way we'd want them — typed, auditable, with sane failure modes.

Pricing

MCP server development starts at $12,000 for a focused single-system integration. Multi-system builds, custom auth flows, and ongoing retainer arrangements are scoped separately.

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Have an MCP server to build?

Send a brief or book a discovery call. We'll tell you within 48 hours whether it's a good fit.

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