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HoundDog.ai

gRPC and Protobuf context engine and model harness for AI coding agents

Pricing

$0/mo

Free
Score

4.5/5

Certifications
2
Last technical review
2026-11-09
Available plansVisit website (opens in a new tab)

Technical Overview

HoundDog.ai's ProtoMap is a context engine and model harness specialized for gRPC and Protobuf. It maps services, messages, and fields across codebases, updating with every commit. It allows AI agents to query structures via MCP instead of text grepping, achieving token savings and faster answers for engineers and autonomous systems.

Analyst Evaluation: Pros and Limitations

Verified Advantages

  • Significant reduction in AI token consumption via the MCP protocol.
  • Automatic mapping of gRPC services and Protobuf messages with every commit.
  • Local execution available via a free scanner modality.

Technical Considerations

  • Protocol support is currently specialized with more formats arriving progressively.
  • Requires MCP server configuration within the agent development environment.

Technical Capabilities & Features

4/7
Included:REST & GraphQL API
Not available:SSO / SAML Authentication
Included:Self-Hosted Option
Included:Full Data Export
Included:Role-Based Access Control (RBAC)
Not available:Custom Domains & SSL
Not available:Immutable Audit Logs
Scorecard
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Technical Scorecard: HoundDog.ai

88/100
DX & Tech Documentation
Excellent
90/100
Pricing Fairness
Excellent
88/100
Security & Governance
Excellent
85/100
Data Portability & Sovereignty
Excellent
86/100
Performance & Reliability
Excellent
90/100

Time to Value & Fit by Segment: HoundDog.ai

Estimated Time-to-Value< 1 hour (Immediate)

Near-instantaneous deployment with minimal technical friction.

Learning CurveLow (Intuitive)

Rapid onboarding for developers without prior training required.

Fit Index by Organization Size

Startup & Agile Teams1 to 50 members
90%
Mid-Market & Scaleup50 to 500 members
85%
Corporate Enterprise500+ members
75%
Pricing & TCO
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Pricing

$0.00/mo

Model: FREE.

Available plans:

  • Free Local Scanner$0/mo

Free Tier Verification:

  • No credit card required
  • Commercial use allowed
  • Unlimited usage with no expiration
  • No mandatory watermarks
Get HoundDog.ai (opens in a new tab)

Billing Risks & Hidden Clauses: HoundDog.ai

Free Tier Limits:

Free local scanner execution to run on your machine and integrate with any AI agent.

Total Cost of Ownership (TCO) Projection: HoundDog.ai$0.00/mo
Deterministic cost estimation at 12 and 36 months based on team size, including SSO tax premiums and annual prepay discounts.
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Licensing Cost (1 to 100+ seats)
$0/forever
Unlimited team members with zero penalties
SSO Tax (SAML Enterprise)
$0no surcharge
No artificial security barriers
3-Year Investment (Software TCO)
$0total
operates under a zero-cost or open-source model. Licensing TCO is identical:
Usage Surcharges & Bill Shock Simulator: HoundDog.aiWhat usage costs as you scale
Detect overage penalties before they impact engineering budget.
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Prototype / MVP (10 GB)

Included base quota in plan: 10 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$0/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$0/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Suitable for development; verify concurrent connection limits.

Base Production (50 GB)

Included base quota in plan: 50 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$0/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$0/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Implement table compression policies and temporal partitioning.

Active Growth (250 GB)

Included base quota in plan: 250 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$0/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$0/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Offload cold backups to standard object storage (S3).

Large Scale (1.000 GB (1 TB))

Included base quota in plan: 1,000 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$0/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$0/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Migrate to dedicated instance or self-hosted cluster to curtail I/O fees.

Security & Data Exit
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Compliance & Security Standards: HoundDog.ai

SOC 2 Type IIAudited
ISO 27001Not reported
GDPR / RGPDAudited
HIPAANot reported
PCI-DSSNot reported
Jurisdiction & Legal Sovereignty
🇺🇸United States [US]Subject to US CLOUD ActGDPR DPA Available
SSO Availability (SAML Enterprise)
SSO as Paid Add-on
Data Residency
USEUSELF_HOSTEDAWS
AI Privacy Policy
Zero customer data retention
Data Liberation & Migration Runbook: HoundDog.aiJSON · YAML
Actionable escape runbook and credential export guarantees to mitigate vendor lock-in.
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Supported Structured Export Formats
JSONYAML
Password Hash Portability
Subject to Support Ticket (Manual Process)

Credential hash export requires commercial mediation or formal support ticket approval.

CLI Command / Rescue Endpoint
N/A
Exit Protocol & Migration Notes

Local scanner configurations and MCP definitions can be removed or reconfigured easily without vendor lock-in.

Deployment & Infrastructure Requirements: HoundDog.aiDocker
Hardware specs and Docker directives to run on local servers, dedicated VPS, or Kubernetes without telemetry leak to the cloud.
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Minimum Memory1 GB RAM (Recommended)
Compute CPU1 vCPU
Runtime / LanguageShell
Code LicenseOpen Source
Docker CLI Directive
docker run -d --name hounddog-ai -p 8080:8080 hounddog-ai:latest
Companion Services & Dependencies:
PostgreSQL 15+Redis 7+
Community & Repository
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Technical Reputation of HoundDog.ai

81/100 Technical Trust

Frequent Praises in Production

  • Significant reduction in AI token consumption via the MCP protocol.
  • Automatic mapping of gRPC services and Protobuf messages with every commit.
  • Local execution available via a free scanner modality.

Reported Production Frictions

  • Protocol support is currently specialized with more formats arriving progressively.
  • Requires MCP server configuration within the agent development environment.
Commercial Treatment & Vendor Lock-in:Self-Service in Dashboard

Cancellation flow is autonomous via billing portal or subscription settings.

Open source repository activity: HoundDog.ai133
Stars, forks and release cadence
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Stars133
Forks61
Open Issues0
SPDX LicenseOpen Source
Latest Commit DetectedNov 4, 2026

Frequently Asked Technical Questions (HoundDog.ai)

How do AI agents consume ProtoMap context?

AI agents connect directly via the Model Context Protocol (MCP) to query gRPC and Protobuf schemas and structures without performing expensive text searches across the repository.

What is included in the free local scanner tier?

The free tier allows developers to run the scanner locally on their machine and plug it into any AI coding agent without upfront costs, making it suitable for individual development workflows.

How often is the service and message mapping updated?

The context engine updates automatically with every commit made to the integrated repositories, keeping schema definitions and field relationships synchronized for both engineers and AI tools.

Does ProtoMap require sending source code to external servers?

ProtoMap provides local scanning capabilities that execute directly on your machine, engineered with a privacy-by-design approach to secure sensitive enterprise source code and data flows.

Direct Alternatives

All tools in HoundDog.ai
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