# ZeroWidth (zerowidth.ai)

Shared workspace that maps workflows, builds and tests AI agents, and records what each AI project changed.

- Atlas card: https://inite.ai/en/atlas/zerowidth.ai
- Site: https://zerowidth.ai
- For: Developers, business leads and product teams building AI work that must ship and be measured across people and agents.
- Categories: productivity
- Use 0/100 · alive 100/100

## Used for

- Draft customer replies from an overnight support queue
- Map how work runs from priorities down to each step
- Tie each AI workflow decision to the number it should move

## Price

- from 29 USD/month, free plan (read 2026-10-24 on https://zerowidth.ai/pricing)

## For developers

- MCP server: ai.zerowidth/caliper (namespace; open on 2026-10-24, 45 tools)
- MCP server: ai.zerowidth/compass (namespace; open on 2026-10-24, 62 tools)
- MCP server: ai.zerowidth/ledger (namespace; open on 2026-10-24, 40 tools)
- MCP server: ai.zerowidth/napkin (namespace)
- MCP server: ai.zerowidth/prism (namespace)
- MCP server: ai.zerowidth/workbench (namespace)
- MCP server: ai.zerowidth/zerowidth (namespace)
- Read 2026-10-24

## MCP server, measured daily

Server: https://api.zerowidth.ai/mcp/x/caliper, checked every day since 2026-10-24 (1 checks).

- Answered: measuring, 1 daily checks so far
- Median first answer: 264 ms
- Sign-in: none
- Context its tool definitions take: about 15643 tokens (45 tools)
- Tool definitions: A, 97/100
- Failing "params_described": 8 of 45 tools
- Warning "open_writes": comments_create
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: gdpr, ccpa
- Training on your data: no (https://zerowidth.ai/trust)
- Read 2026-10-24

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Source: INITE Atlas, https://inite.ai/en/atlas/zerowidth.ai. JSON: https://inite.ai/api/atlas/zerowidth.ai. MCP: https://inite.ai/api/mcp (atlas_lookup).