Is ControlFlow safe to use?

ControlFlow has an HVTrust score of 45.0/100 (Grade D), ranked #520 of 1308 tracked AI agent projects. This score reflects verifiable supply-chain integrity, transparency, maintenance, and adoption signals.

What is the trust score for ControlFlow?

ControlFlow scores 45.0/100 on HVTracker's evidence-weighted HVTrust scale. It has 1.4k GitHub stars and is categorized under Agent Frameworks.

ControlFlow

PrefectHQ/ControlFlow

🦾 Take control of your AI agents

Agent Frameworks Python Grade D Needs review Apache-2.0

45.0/100

Rank #520 of 1308

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Thin or incomplete trust evidence. Review carefully before production use.

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Listing state

Needs review

Evidence coverage

Grade A · 4/5 signals

Last push

2025-08-22 · 368d ago

Recent change

Rank +6

Is ControlFlow safe? ControlFlow scores 45.0/100 (Grade D), ranked #520 of 1308 tracked open-source AI agent projects, on evidence coverage A (4 of 5 independent signal types). The public evidence: its packages ship with cryptographic provenance; OSSF Scorecard rates its supply-chain practices 4.1/10; 29% of recent commits are signed; last pushed 2025-08-22. Every point is earned from checkable signals — never paid placement. How scoring works →

Ranked neighbours in Agent Frameworks

#73 YoMo — 45.6 (D) → #74 LlamaIndex — 45.5 (D) → #76 Upsonic — 43.3 (D) → #77 Parlant — 43.1 (D) →

Quick Trust Read

What Would Improve It

Increase the share of verified signed commits for clearer maintainer identity.

Recent Changes

2026-08-25

Rank Moved

Rank rose 11 spots (#531 → #520)

2026-08-24

Rank Moved

Rank dropped 12 spots (#519 → #531)

2026-08-23

Grade Changed

Trust grade C → D

Maintainer Checklist

Raise Scorecard signals Current OSSF Scorecard is 4.1/10. Tighten the weakest checks to improve public safety evidence.

Increase signed commits Raise the share of verified-signed commits to make maintainer identity and release history easier to trust.

Refresh maintenance signals The repo was last pushed 368 days ago. Fresh activity helps separate stable projects from stale ones.

Review Flags

[4.2.1] no meaningful activity in 12 months (last push 2025-08-22)

Compare with another agent Get email alerts for ControlFlow View Agent Frameworks Report missing data

28.4

Activity sub-score · out of 100

#75

In Agent Frameworks

How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption. Grade D reflects the trust score band: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Evidence coverage A is separate — it grades how many independent signal types back the score (4 of 5), so a high score on thin evidence stays visible. Full methodology →

Rank Trend

2026-08-11 2026-08-25

Activity & Reach

Stars

1.4k

Forks

111

Last Push

2025-08-22

368 days ago

Commits (4 wk)

Downloads (7d)

1,703

pypi

HN mentions (30d)

Open Issues

Rank Change

▲11

was #531

Analysis

HVTrust Dimensions vs Agent Frameworks

45.0 / 100 · 100.0% confidence

ControlFlow Agent Frameworks average (119 agents)

Safety / Integrity50% OSSF Scorecard · 30% provenance · 20% signed commits

14.1 / 25

6.0 above avg 8.1

Identity / Provenance60% listing status · 40% build provenance

18.0 / 18

6.4 above avg 11.6

Transparency50% declared license · 50% OSSF Scorecard

12.0 / 17

in line with avg 11.5

Maintenance60% last-push freshness · 40% commit activity

0 / 20

14.1 below avg 14.1

AdoptionLog-scaled stars · package downloads

11.9 / 20

0.6 above avg 11.3

Activity Inputs

28.4 / 100

StarsRepository reach

18.9 / 30

FreshnessLast push recency

0.0 / 25

ActivityRecent commits

0.0 / 25

CommunityFork signal

9.5 / 20

Supply Chain Trust

Package Provenance

Verified

pypi attestation

OSSF Scorecard

4.1 / 10

OpenSSF Scorecard · scanned Aug 24, 2026

Signed Commits

29%

of last 100 commits verified

Binary-Artifacts 10

Branch-Protection 1

CI-Tests 1

CII-Best-Practices 0

Code-Review 6

Contributors 10

Dangerous-Workflow 10

Dependency-Update-Tool 0

Fuzzing 0

License 10

Maintained 0

Packaging -1

Pinned-Dependencies 0

SAST 7

Security-Policy 0

Signed-Releases -1

Token-Permissions 8

Vulnerabilities 0

Is ControlFlow safe?

Public trust evidence for ControlFlow is thin: several supply-chain signals are missing or weak. This does not mean the project is unsafe — it means an outside observer cannot easily verify the usual integrity checks. Treat with extra scrutiny.

Does ControlFlow publish package provenance?

Yes. ControlFlow's package releases carry build provenance attestations, which cryptographically link the published package back to its source repository and CI workflow.

Does ControlFlow have an OpenSSF Scorecard?

ControlFlow has an OpenSSF Scorecard score of 4.1/10. The Scorecard checks for branch protection, signed releases, dependency updates, fuzzing, code review, and other supply-chain hygiene items. See the full check breakdown on this page.

Is ControlFlow actively maintained?

Stale. The repository has not been pushed to in 368 days. Consider whether the project is still being maintained.

What license does ControlFlow use?

ControlFlow ships under Apache-2.0. A declared, OSI-approved license is one of the transparency signals HVTrust scores.

Are ControlFlow's commits signed?

28% of the last 100 commits to ControlFlow are verified-signed (GPG, SSH, S/MIME, or GitHub's signing flow). Signed commits help confirm that code was authored by who the commit claims.

Not a safety endorsement. HVTracker describes what public signals show, not whether a project is safe for your use case. Run your own security review before adopting in production.

AI agent surface

MCP, providers, tool surface

Scored in HVTrust

These runtime-trust fields — detected from public repo docs and manifests — contribute a bounded adjustment to this project's HVTrust score alongside supply-chain evidence. The exact values each field can add or subtract are documented in the methodology → Compare this surface across every listed agent in the capability matrix →

MCP Server Support

None detected

No MCP server signal detected.

Detailed evidence is not shown in the public view.

External Service Dependencies

high confidence

1 detected

Public provider/service dependencies detected.

OpenAI

Credential signal: API keys or service config markers documented.

Tool / Plugin Surface

None detected

No clear plugin system or broad tool surface detected.

Detailed evidence is not shown in the public view.

Package Provenance Drift

low confidence

Unknown

Package source metadata is missing or inconclusive

Detailed evidence is not shown in the public view.

MCP signal live
External deps live
Tool / plugin surface live
Package provenance drift live

Maintain ControlFlow?

For maintainers

HVTrust scores ControlFlow from public signals only — we never contact maintainers first. If a signal is wrong, stale, or missing (provenance you publish, a Scorecard you run, signed releases), tell us and we'll review it. Corrections are public and tracked on GitHub.

Submit a correction → Add the trust badge

Reputation Timeline

Signal history

2026-08-25

Rank Moved

Rank rose 11 spots (#531 → #520)

2026-08-24

Rank Moved

Rank dropped 12 spots (#519 → #531)

2026-08-23

Grade Changed

Trust grade C → D

2026-08-23

Rank Moved

Rank dropped 112 spots (#407 → #519)

2026-08-23

HVTrust Changed

HVTrust down 10.0pts (55.0 → 45.0)

2026-08-22

Rank Moved

Rank rose 15 spots (#422 → #407)

2026-08-19

Rank Moved

Rank dropped 12 spots (#412 → #424)

2026-08-17

Rank Moved

Rank rose 11 spots (#424 → #413)

2026-08-13

Rank Moved

Rank dropped 14 spots (#401 → #415)

2026-08-12

Rank Moved

Rank rose 15 spots (#416 → #401)

2026-08-10

Warning Issued

Warning: eligibility issues detected

2026-08-10

Rank Moved

Rank dropped 20 spots (#395 → #415)

2026-08-09

Warning Cleared

Warning cleared: eligibility issues resolved

2026-08-08

Rank Moved

Rank dropped 94 spots (#299 → #393)

2026-07-15

Warning Issued

Warning: eligibility issues detected

2026-07-15

Rank Moved

Rank dropped 15 spots (#257 → #272)

2026-07-14

Warning Cleared

Warning cleared: eligibility issues resolved

2026-07-14

Rank Moved

Rank dropped 14 spots (#243 → #257)

2026-07-13

Warning Issued

Warning: eligibility issues detected

2026-07-13

Rank Moved

Rank dropped 30 spots (#213 → #243)

2026-07-12

Warning Cleared

Warning cleared: eligibility issues resolved

2026-06-24

Scorecard Added

OSSF Scorecard: 4.1/10

2026-06-24

Grade Changed

Trust grade D → C

2026-06-24

Rank Moved

Rank rose 13 spots (#215 → #202)

2026-06-24

HVTrust Changed

HVTrust up 8.7pts (47.3 → 56.0)

2026-06-23

Warning Issued

Warning: eligibility issues detected

2026-06-23

Rank Moved

Rank dropped 16 spots (#199 → #215)

2026-06-18

Rank Moved

Rank dropped 13 spots (#165 → #178)

2026-06-11

Warning Cleared

Warning cleared: eligibility issues resolved

2026-06-10

Warning Issued

Warning: eligibility issues detected

2026-06-06

Warning Cleared

Warning cleared: eligibility issues resolved

2026-06-05

Warning Issued

Warning: eligibility issues detected

2026-06-01

Rank Moved

Rank dropped 16 spots (#119 → #135)

2026-05-29

HVTrust Changed

HVTrust up 10.0pts (36.6 → 46.6)

GitHub → PyPI: controlflow

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Other agents in Agent Frameworks

Data sources
GitHub REST API (repo, commits, stars, forks, license) · PyPI / pypistats (downloads, provenance) · OpenSSF Scorecard CLI · Algolia HN Search API
Each agent's signals refresh once daily across 6 staggered batches. Methodology v4.3 · Raw JSON