Things To Do API alternatives

Tools that do what Things To Do API does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from Things To Do API.

Read 2026-11-02 · Things To Do API itself: Free plan · From $5 per use

With a free plan or free to use: Dust, Tana, MDflow, Perplexity, Korey Coding Agent Handoffs.

10 alternativesUnlike Things To Do API

#1
LONG Events Productivity MCP · open
Serves event schedules, artists, venues and organizers over MCP or REST, with pay-per-call x402 USDC access.
Same job
200
Active
#2
Glean Knowledge
Indexes company apps like Slack, Drive and Jira into one permission-aware search, with a chat assistant and agents that answer from that index.
More widely used
63.5k
Active
Contact sales
2019
#3
Atly Knowledge MCP · open
Ranks and explains local places against a person's stated intent, such as a quiet café for remote work, through an app or API.
Also: SearchMore widely used
3.5M
Active
#4
Dust Knowledge MCP · sign-in
Connects company knowledge and tools so teams can create, share, and run AI agents across workflows with human oversight.
Also: Workflow automationMore widely used
3.7k
Active
From ≈ $34/user/mo
#5
Tana Knowledge
Outliner workspace that stores notes, tasks and meeting transcripts as linked nodes with typed fields, plus an assistant that acts on them.
Also: Workflow automationMore widely used
11.4k
Active
From $20/user/mo
2021
#6
MDflow Knowledge MCP · sign-in
Stores markdown files in shared workspaces with a browser editor, tasks from checkboxes, public knowledgebase links, and API and MCP access.
Same job
182
Active
From ≈ $5.57/mo
#7
Perplexity AI assistants
AI search engine that answers questions from live web sources with citations, with plans for teams and companies.
More widely used
4.2M
From $17/mo
2022
#8
Korey Coding Agent Handoffs Knowledge MCP · sign-in
Converts rough notes and Slack discussions into structured development tickets and keeps them synchronized with team progress.
Also: Workflow automationMore widely used
528
Active
From $99/mo
2025
#9
Kepos Knowledge MCP · sign-in
Gives several AI agents one versioned knowledge base over MCP, with a shared chat stream for coordinating handoffs.
More widely used
2
Active
#10
NoteGPT Knowledge
Summarizes lectures, videos, and documents; generates notes, slides, and audio content for learning and research.
Also: Summarization, WritingMore widely used
1.3M
Active
From $9/mo

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How this list is made: the words Things To Do API is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.