Thrd MCP server

Read from the package source without running it. The installed server may list more.

• thrd.ack_events

  Acknowledge processed events by event IDs or by cursor.

• thrd.billing_checkout_selfwrite action

  Create a Stripe checkout session for the authenticated tenant to upgrade plan.

• thrd.claim_x_start

  Start the X (Twitter) human-claim verification flow for the authenticated tenant.

• thrd.claim_x_status

  Check X (Twitter) human-claim verification status for the authenticated tenant.

• thrd.create_security_ackwrite action

  Create a short-lived security_ack_token to approve replying/sending in a high-risk context.

• thrd.get_thread_messages

  Fetch all stored messages for a given thread (inbound + outbound).

• thrd.health

  Get MCP server and Thrd API configuration info (no auth required).

• thrd.instant_onboarding

  Provision a new tenant + agent + inbox + API key via Thrd's public instant onboarding endpoint. Disabled unless ALLOW_THRD_INSTANT_ONBOARDING=1.

• thrd.list_threads

  List recent threads for the authenticated agent (optionally filtered by inbox).

• thrd.message_security

  Get Prompt Shield / security analysis for a specific message_id.

• thrd.outbound_status

  Get status for an outbound request_id from send/reply.

• thrd.poll_events

  Long-poll for inbound events (email received, security signals, etc.).

• thrd.reply

  Reply in an existing thread. Requires idempotency. May return security_ack_required when inbound risk is high.

• thrd.sendwrite action

  Initiate a new outbound email. Requires idempotency. Tier 3 cold outbound may return por_required. High-risk inbound context may require security_ack_token.

• thrd.trust_score

  Get trust score and factors for the authenticated tenant.

• thrd.usage

  Get plan/tier and monthly quota usage for the authenticated tenant.

• Code scan6 source files scanned25/25
• –Live reliabilityno gateway calls yet and no remote to proben/a
• –Tool poisoningtools not inspected (local package is not executed); not countedn/a
• Auth qualitystatic API keys via environment variables6/15
• Maintenancerepository not readable: repo not found3/15
• Maintainer identityno repository or website to verify2/10

Safety score

55/100

higher than 10% of 916 Email servers

Tools

16

the typical Email server has 7

Tools that change things

19%

typical: 25%. Fewer write tools means less an agent can break

Downloads a week

15

more than 3% of 235 Email servers with a package

Thrd: common questions

Is Thrd MCP server safe?

With care: it is graded C, so read the findings first (55/100). Read the Thrd safety report

How do I install Thrd?

It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.

Does Thrd need an API key?

Yes. The registry entry asks for THRD_API_KEY.

Is Thrd maintained?

The latest release is v0.1.5.

What can I use instead of Thrd?

Servers from other publishers that do the same job: Imap MCP server, Sendraven MCP server and send0 MCP server.

How does Thrd compare with other Email MCP servers?

safety score 55/100 (higher than 10% of 916 Email servers); tools 16 (the typical Email server has 7); tools that change things 19% (typical: 25%. Fewer write tools means less an agent can break). Full comparison.