Guides · Tag
mcp
21 guides tagged mcp.
Comparisons · Sep 29, 2026
Gmail MCP Refresh Tokens Expiring Every 7 Days
Why a Gmail MCP refresh token expires every 7 days, what Google requires to stop it, and the other causes that break the same connection on a different clock.
Developers · Sep 28, 2026
Retry, Backoff and Error Handling for Agent Email
Agent email error handling that sorts every error by whether a retry can help: a decision table, what backs off, and what goes to a human.
Developers · Sep 28, 2026
Handling PDF Attachments in an Agent Inbox
How to handle PDF attachments in an AI agent's email: upload in three calls, pass only att_ IDs to the model, and read inbound files in code, not in context.
Controls · Sep 27, 2026
How to Revoke an Agent's Email Access Instantly
How to revoke an agent's email access: five kill switches ranked by blast radius, the exact calls, and what happens to mail already queued or held.
Inboxes · Sep 26, 2026
How an AI Agent Actually Reads Its Inbox
How to let my agent read its email: list threads, page messages, fetch a body, and the ordering rules that decide if it sees a reply before it acts.
Integrations · Sep 26, 2026
Email MCP Server Comparison: Who Filters tools/list
An email MCP server comparison on one property: does a narrower credential shrink tools/list? 18 servers audited, 182 registry endpoints probed.
Controls · Sep 26, 2026
MCP Tool Filtering Should Be Required
MCP lets a server hide tools a token cannot use but never requires it. The case for mcp tool filtering by scope as a MUST, and the objections.
Comparisons · Sep 23, 2026
AgentMail Alternatives: An Honest Shortlist
Seven AgentMail alternatives ranked on agent identity, held sends and testable inbound, with every price and limit read on the vendor's own pages today.
Integrations · Sep 23, 2026
Email MCP in Windsurf, Cline and Zed
One remote URL, three config shapes, no mcp-remote bridge. The current Windsurf, Cline and Zed entries, and four reasons a client cannot connect.
Controls · Sep 23, 2026
Read-Only Email Access for an AI Agent
Read-only email access for an AI agent is five scope strings. The exact list, what the MCP session holds, and three ways the grant quietly leaks.
Integrations · Sep 22, 2026
Give Cursor an Email Inbox Over MCP
Give Cursor an email inbox over MCP: the mcp.json entry, the scope ceiling you set in the client, and the refresh-token replay that revokes the whole grant.
Integrations · Sep 22, 2026
Mastra Agent Email: A Real Inbox That Replies
Give a Mastra agent its own inbox: connect over remote MCP or a createTool, then suspend a workflow step and resume it when message.received fires.
Developers · Sep 22, 2026
Email MCP Server OAuth vs API Key: the 401 Trap
Email MCP server OAuth vs API key: a valid key gets 401 invalid_token at /mcp, not 403, so rotation never helps. What each credential carries.
Integrations · Sep 22, 2026
Email Tools for the OpenAI Agents SDK
Wire the OpenAI Agents SDK to an agent-owned inbox: one hosted MCP config or hand-written function tools, a six-tool surface, and a send tool that is absent.
Integrations · Sep 22, 2026
Give an OpenClaw Agent an Email Inbox
Give an OpenClaw agent an email inbox it can read and draft in, with outbound mail held at a gate the agent itself is not permitted to release.
Controls · Sep 21, 2026
Scoped Credentials for Agent Email: Read, Draft, Send
Give an agent the smallest useful email permission: project and inbox scoping, one-time secrets, draft-only grants, rotation, and revocation you can verify.
Integrations · Sep 21, 2026
Give Claude Code Its Own Email Address
Email for Claude Code over remote MCP: one endpoint URL, an OAuth grant instead of an API key, and the exact tool list a read plus draft grant shows.
Integrations · Sep 21, 2026
How to Give an AI Agent Its Own Email Address
Create a dedicated inbox, choose read, draft or send permission, connect over MCP or a scoped key, and prove a real round trip before granting send access.
Integrations · Sep 21, 2026
MCP Email Server: Give Your Agent Client a Real Inbox
How a remote MCP email server works, what the consent screen must show, how to scope a grant to one inbox, and how to verify it before allowing sends.
Controls · Sep 21, 2026
The MCP Tool Surface Is the Permission Boundary
How the MCP tool surface permission boundary is computed per request, what a filtered tools/call returns, and three ways the tool list shrinks under you.
Integrations · Sep 20, 2026
MCP or API Key for Agent Email? How to Choose
Remote MCP over OAuth or a project-scoped REST key: what each can and cannot do, who authorises it, how revocation differs, and why teams use both.