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Auto-document your entire organization with AI-powered knowledge management.

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Tracked since 2026

The Bottom Line

Price
Free plan available. Compare plans

Key facts

  • Automatically updates documentation when code changes by watching pull requests
  • Uses AST diff analysis to detect which docs are affected by code modifications
  • Prevents stale documentation from wasting developer time and degrading AI code suggestions

Pros

  • Eliminates the manual burden of keeping docs synchronized with code
  • PR-based monitoring catches documentation drift at the source
  • Prevents stale documentation from degrading AI code generation quality
  • Automates a task that developers consistently neglect

Cons

  • May produce false positives from refactors and renames that do not affect docs
  • Nuanced documentation intent can be difficult for automated tools to preserve
  • New product, accuracy at scale across diverse codebases is unproven

What is Doctective?

Doctective automatically keeps documentation in sync with code changes. It watches pull requests, detects when code modifications affect existing documentation, and updates the docs accordingly. The tool addresses the problem of stale documentation that wastes developer time and can poison AI-generated code suggestions. By monitoring code changes through AST diffs and PR analysis, Doctective identifies which documentation sections need updating and applies changes automatically.

Key Features

  • Automatic documentation updates triggered by code changes
  • Pull request monitoring with AST diff analysis
  • Detection of documentation sections affected by code modifications
  • Prevents stale docs from poisoning AI-generated code suggestions
  • Integration with standard development workflows

Pricing Plans

Pricing checked Oct 5, 2026. Source: doctective.app, read Oct 5, 2026

Doctective plans and prices, checked October 2026
Plan Price Details
Free

$0

  • PR monitoring
  • Automatic doc updates
  • Basic integration
Pro

Custom

  • Private repositories
  • Advanced AST analysis
  • Team workflows
+1 more
  • Priority support

Is Doctective worth the price?

Fair value

The pricing for Doctective is currently incomplete, making a full assessment difficult.

The Free tier is generous for basic PR monitoring and automatic updates.

Hidden Costs & Gotchas

No mention of storage limits or overage fees

Full Doctective pricing: every plan, hidden costs and alternatives

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Doctective by the numbers

Doctective compared with 123 Knowledge Base tools on Toolradar, as of Nov 2026
Metric Doctective Peer median Position (1 is best)
Free plan Yes 56% have one n/a
Listed as an alternative to 2 tools 1 #42 of 123 (joint)

Listed as an alternative to: #42 on 2026-10-16 to #42 on 2026-11-02 (rank among 123 tools, 1 is best).

Each position is counted among the tools that have data for that row, as noted under it. All Knowledge Base data · How we compute this. Advertising and placement fees are not inputs to any position.

Cite this: Toolradar, “Doctective by the numbers”, Nov 2026.

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Doctective FAQ

How does Doctective ensure documentation remains current with code changes?

Doctective automatically keeps documentation in sync with code changes by watching pull requests. It detects when code modifications affect existing documentation and updates the documentation accordingly, eliminating the manual burden of synchronization.

Which teams benefit most from using Doctective?

Teams that struggle with stale documentation and want to improve developer efficiency will find Doctective most beneficial. It automates a task developers consistently neglect, ensuring documentation accurately reflects the current codebase.

How is Doctective priced?

Doctective is available on a free tier, allowing users to get started without initial cost. Paid plans are offered for those requiring more extensive usage and additional features beyond the free offering.

What kind of documentation challenges does Doctective address?

Doctective addresses the problem of stale documentation that wastes developer time and can poison AI-generated code suggestions. By monitoring code changes through AST diffs and PR analysis, it identifies and updates documentation sections that need changes.

Can Doctective integrate with existing development workflows?

Yes, Doctective integrates into existing development workflows by monitoring pull requests. This allows it to catch documentation drift at the source and update documentation automatically as code changes are introduced.

What are the main trade-offs when implementing Doctective?

A main trade-off is that Doctective may produce false positives from refactors and renames that do not genuinely affect documentation. Additionally, preserving nuanced documentation intent can be difficult for automated tools to achieve perfectly.

How does Doctective compare to a tool like Alation for documentation management?

Doctective focuses on automatically synchronizing documentation with code changes by monitoring pull requests, directly addressing stale documentation. In contrast, Alation is generally known for broader data catalog and governance capabilities, rather than automated code-to-doc synchronization.

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