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Tag: mcp

79 posts · Page 3 of 8

2026-08-14 mcp ai-agents llm

MCP Server Design for a Large Internal API Surface

Mapping 200 internal REST endpoints to 200 MCP tools puts 200 KB of JSON schema in front of every request. The 2026-07-28 spec also made the usual escape hatch illegal: tools/list MUST NOT vary per-connection, so per-session dynamic registration is gone. Here are the three levers that still work, with measured wire sizes and verified code on @modelcontextprotocol/server 2.0.0.

2026-08-11 migration mcp ai-agents

Migrate Off the Archived MCP Reference Servers (GitHub, Postgres, Slack)

The GitHub, Postgres, and Slack MCP servers from modelcontextprotocol/servers were archived in 2025 and their npm packages are deprecated. They pin SDK 1.0.1, which cannot negotiate past protocol 2024-11-05. Here is the audit script, the current replacement for each, and the two pointers in the archive README that are themselves stale.

2026-08-09 github-copilot mcp ai-agents

Copilot MCP Allowlists Land in Enterprise Managed Settings

GitHub's August 6, 2026 changelog adds allowedMcpServers and deniedMcpServers to copilot/managed-settings.json. URL and argv matchers, deny-wins precedence, and a fail-closed default the older name-based registry never had.

2026-08-03 agent-framework github-copilot ai-agents

Agent Framework's Copilot Provider Turns the Copilot CLI Into a Plain AIAgent

Microsoft.Agents.AI.GitHub.Copilot 1.16.0 shipped on July 30, 2026. The Copilot CLI runtime now sits behind the ordinary AIAgent abstraction, permissions are deny-by-default, and Squad plugs a whole agent team in as one AIAgent.

2026-07-31 github-copilot agent-skills mcp

Copilot Code Review Now Reads Your .github/skills Folder

Agent skills and MCP servers in GitHub Copilot code review went GA on 2026-07-29. Here is where the files live, why skills load from the head branch, and why every MCP tool call in a review is read-only.

2026-07-31 claude-code mcp ai-agents

Fix: A Long MCP Tool Call Gets Auto-Backgrounded After Two Minutes Mid-Task

Claude Code 2.1.212+ moves any main-conversation MCP tool call still running at two minutes into a background task. Set CLAUDE_CODE_MCP_AUTO_BACKGROUND_MS=0 to stop it, raise the threshold to move the line, or send progress notifications from the server.

2026-07-30 errors mcp claude-code

Fix: .mcp.json servers never start because the workspace is marked untrusted

Project MCP servers stuck at Pending approval are not misconfigured. Run claude interactively in the folder, accept the workspace trust dialog, then approve the servers.

2026-07-29 errors mcp claude-code

Fix: a Windows path in your agent config silently turns into a tab, a newline, or a Chinese character

Folder names starting with t, b, n, r or u make a Windows path parse cleanly as JSON and still resolve wrong. Use forward slashes or double every backslash.

2026-07-29 mcp dotnet csharp

MCP C# SDK 2.0 Ships: Stateless by Default and MCP9005 on Your Old Code

ModelContextProtocol 2.0.0 landed on 2026-07-28 with the stateless HTTP transport on by default, Multi Round-Trip Requests replacing server-initiated elicitation, and an analyzer warning on ElicitAsync and SampleAsync.

2026-07-28 mcp ai-agents http

GitHub's MCP Server Went Stateless and Deleted Its Redis Session Store

On 2026-07-23 GitHub shipped the MCP 2026-07-28 revision ahead of the spec date. The notable part is the subtraction: no initialize handshake, no Mcp-Session-Id, no Redis.