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Recommended MCP stack for coding agents (2026)

Every “best MCP servers 2026” list picks point solutions. Real agents need a stack: docs that are true, GitHub that ships work, and grounded project context so the model stops hallucinating your code. That last piece is Zephex — hosted, one API key, ten tools, CLI + web terminal included.

The trio

Library docs

Context7

Up-to-date framework/API docs so the agent does not invent React/Next/Prisma APIs.

Not for: Does not read *your* repo, tests, or private package risk.

Issues & PRs

GitHub MCP

Open PRs, triage issues, Actions, review comments — GitHub API automation.

Not for: Not a substitute for architecture maps, monorepo search, or npm supply-chain checks.

Your codebase

Zephex

Hosted get_project_context, find_code, read_code, explain_architecture, check_package, check_test, project_memory — plus CLI and web terminal on the same key.

Not for: Not a docs cache for public libraries (use Context7) and not a full GitHub workspace bot (use GitHub MCP).

Why “Zephex vs Context7” is the wrong fight

Context7 kills library API hallucinations. Zephex kills your-repo hallucinations (wrong files, inventing routes, missing auth middleware). Run both. Full head-to-head: Zephex vs Context7 · Zephex vs GitHub MCP · hosted vs local MCP.

Copy-paste agent prompt (stack-aware)

Before you change code:
1. get_project_context (identity then auth/run) on this repo
2. find_code for the symbol or route I named
3. check_package if we are adding or upgrading a dependency
4. Use Context7 only for public library API docs
5. Use GitHub MCP only for PR/issue actions

Surfaces (Zephex only)

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