MCP server

Promise

ai.usepromise/promise

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Evidence-backed follow-through memory for what you owe, await, and need to remember.

Website Source

At a glance

Type

MCP server

Publisher

usepromise.ai (verified by the MCP Registry)

Status

Working at last check

Tools

11

Token cost

About 1,421 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http promise https://mcp.usepromise.ai/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.promise]
url = "https://mcp.usepromise.ai/mcp"

Gemini CLI

{"mcpServers":{"promise":{"httpUrl":"https://mcp.usepromise.ai/mcp"}}}

Cursor

{"mcpServers":{"promise":{"url":"https://mcp.usepromise.ai/mcp"}}}

VS Code

{"servers":{"promise":{"type":"http","url":"https://mcp.usepromise.ai/mcp"}}}

Antigravity

agy mcp add promise https://mcp.usepromise.ai/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"promise","server_url":"https://mcp.usepromise.ai/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"promise","server_url":"https://mcp.usepromise.ai/mcp"}

Tools

• capture_note ~168 tokens
  Let a user tell Promise something to remember. Safety: Echo what Promise understood and require review when the platform requests it.
• connect_promise ~251 tokens
  Return a Promise signup URL for users who want agent access to follow-up memory. Safety: Never collects provider credentials in the agent. Send the user to Promise.
• create_follow_up ~139 tokens
  Create a future follow-up from explicit user intent. Safety: Only create follow-ups from explicit user instructions.
• draft_follow_up Sends messages · ~112 tokens
  Draft a follow-up message without sending it. Safety: Do not send email in v1. Return a draft and Promise confirmation link.
• get_commitment ~92 tokens
  Retrieve a structured Promise commitment or waiting-on item. Safety: Prefer structured status, due dates, people, and source links over raw mail.
• get_commitment_evidence ~91 tokens
  Show why Promise believes a follow-up or memory exists. Safety: Return source summaries and citations permitted by the platform API.
• get_person_context ~138 tokens
  Summarize what matters before the user speaks with someone. Safety: Avoid exposing hidden/private fields unless the platform scopes allow them.
• get_today ~94 tokens
  Return what currently deserves the user's attention. Safety: Return concise items and links back to Promise for sensitive action.
• list_commitments ~145 tokens
  List what the user owes and what the user is waiting on. Safety: Do not infer more certainty than Promise returns.
• mark_resolved ~90 tokens
  Tell Promise that a commitment or waiting-on item is complete. Safety: Confirm destructive or irreversible status changes in the agent UI.
• search_memory ~101 tokens
  Search Promise's derived memory with user authorization. Safety: Search derived Promise memory, not raw provider mailboxes.

Browse

• Email

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