Heeler

Heeler is the Agentic Development Security Platform — machine-speed security for AI-written code. As coding agents (Claude Code, Cursor, GitHub Copilot) and AI attackers reshape the software development lifecycle, Heeler prevents vulnerabilities during code generation, autonomously fixes dependency and code issues with CI-validated merge-ready pull requests, and continuously audits open source (SCA), code security (SAST), secrets, and agent-skill threats across the AI SDLC. It embeds security policy into coding agents through MCP servers and agent skills, deploys without build modification ("live in a day"), and is SOC 2 Type II certified. Heeler is backed by Norwest Venture Partners.

Heeler is profiled on the APIs.io network. Tagged areas include Company, Security, Application Security, DevSecOps, and Artificial Intelligence.

Heeler’s developer surface includes pricing, signup flow, engineering blog, support, CLI, and 15 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

33.8/100 thin ▬ flat Agent 4/100 human only Front door AI 6/6 dominant Heartbeat 100/100 alive saas Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

AccessPaid

0 APIs 8 Agent Skills

Company Security Application Security DevSecOps Artificial Intelligence Agents MCP Agent Skills Code Security Vulnerability Management SAST Software Composition Analysis Secrets DetectionAI SDLC

Kin Score

Kin Score How this is scored →
scored 2026-11-06 · rubric v0.27.0

Composite quality — 33.8/100 · thin

Contract Quality 0.0 / 21

Developer Ergonomics 3.6 / 17

Access Clarity 15.7 / 17

Operational Transparency 2.0 / 11

Contract Governance 1.9 / 10

Discoverability 4.7 / 9

Regulatory Posture 3.3 / 15

Agent readiness — 4/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document
MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey)
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes

12 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 0.0 — up to +25.0 composite points
Developer Ergonomics scores 21.4 — up to +15.7 composite points
Operational Transparency scores 18.4 — up to +10.6 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/heeler/apis.yml: open an issue on github.com/api-evangelist/heeler to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Standards implemented 3

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

Agent Skills

measured — observed by APIs.io (published)

DevSecOps

tagged — the provider's own APIs.json carries the standard as a tag; implementation not verified

Model Context Protocol (MCP)

tagged — the provider's own APIs.json carries the standard as a tag; implementation not verified

Agent Skills 8

Packaged agent skills for driving this provider's APIs from an AI assistant.

heeler-license-check

AGENT SKILL

heeler-malicious-package-scan

AGENT SKILL

heeler-recommended-version

AGENT SKILL

heeler-scan-all

AGENT SKILL

heeler-secrets-scan

AGENT SKILL

heeler-security-review

AGENT SKILL

heeler-threat-modeling

AGENT SKILL

heeler-vulnerabilities-scan

AGENT SKILL

Scroll for all 8

Heeler API pricing

Prices published by Heeler, read 2026-10-07 from www.heeler.com/pricing.

Plan	Price
1–199 devs	$35 per developer Includes: All features included in every subscription
200–299	$30 per developer
300–499	$25 per developer
500–999	$21 per developer
1,000–1,499	$19 per developer
1,500+	$17 per developer

Plan details, limits and sources →

Pricing Plans 1

Published pricing tiers and plan structures.

Heeler Plans Pricing

6 plans

PLANS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Heeler Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Heeler Trust Center

SOC 2 Type II

SECURITY

Resources

Get Started 2

Portal, sign-up, and the first successful call

SignUp

SignUp

Login

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

AgentSkill

AgentSkill

LLMsTxt

LLMsTxt

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Conformance

Conformance

Lifecycle

Lifecycle

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

CLI

CLI

Packages

Packages

Access & Security 3

Authentication, authorization, and security posture

TrustCenter

TrustCenter

DomainSecurity

DomainSecurity

Compliance

Compliance

Operate 2

Status, limits, changes, and where to get help

Support

Support

StatusPage

StatusPage

Commercial 4

Pricing, plans, and the legal terms of use

Plans

Pricing

TermsOfService

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: heeler
name: Heeler
description: Heeler is the Agentic Development Security Platform — machine-speed security for AI-written code. As coding agents
  (Claude Code, Cursor, GitHub Copilot) and AI attackers reshape the software development lifecycle, Heeler prevents vulnerabilities
  during code generation, autonomously fixes dependency and code issues with CI-validated merge-ready pull requests, and continuously
  audits open source (SCA), code security (SAST), secrets, and agent-skill threats across the AI SDLC. It embeds security
  policy into coding agents through MCP servers and agent skills, deploys without build modification ("live in a day"), and
  is SOC 2 Type II certified. Heeler is backed by Norwest Venture Partners.
url: https://raw.githubusercontent.com/api-evangelist/heeler/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- norwest-venture-partners
x-tier: profiled
x-tier-reason: portfolio-lead-enriched
deliveryModel:
  model: saas
  open_source: false
  commercial: true
  callable_host: false
  label: Hosted service · you call their endpoint
  confidence: medium
  source:
  - pricing
  generated: '2026-08-28'
  method: derived
accessModel:
  pricing: paid
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Paid
  confidence: low
  source:
  - plans
  - security
  generated: '2026-11-06'
  method: derived
image: https://cdn.prod.website-files.com/66cf69c0cc1c2187f845d6c7/6a3c61fb045913ca45e87790_og_B2_revised.png
specificationVersion: '0.23'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Security
- Application Security
- DevSecOps
- Artificial Intelligence
- Agents
- MCP
- Agent Skills
- Code Security
- Vulnerability Management
- SAST
- Software Composition Analysis
- Secrets Detection
- AI SDLC
tags_raw:
- Company
- Security
- Application Security
- DevSecOps
- AI
- Agents
- MCP
- Agent Skills
- Code Security
- Vulnerability Management
- SAST
- SCA
- Secrets Detection
- AI SDLC
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Plans
  url: plans/heeler-plans-pricing.yml
- type: TrustCenter
  url: security/heeler-trust-center.yml
- type: DomainSecurity
  url: security/heeler-domain-security.yml
- type: Website
  url: https://heeler.com
- type: Pricing
  url: https://heeler.com/pricing
- type: SignUp
  url: https://heeler.com/get-a-demo
- type: Login
  url: https://app.heeler.com/
- type: Blog
  url: https://heeler.com/resource-center
- type: Support
  url: https://heeler.com/faq
- type: TermsOfService
  url: https://heeler.com/terms-and-conditions
- type: PrivacyPolicy
  url: https://heeler.com/privacy-policy
- type: Compliance
  url: https://trust.heeler.com/
- type: GitHubOrganization
  url: https://github.com/heeler-security
- type: StatusPage
  url: https://status.heeler.com
- type: CLI
  url: cli/heeler-cli.yml
- type: Packages
  url: packages/heeler-packages.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Conformance
  url: conformance/heeler-conformance.yml
- type: Lifecycle
  url: lifecycle/heeler-lifecycle.yml
- type: LLMsTxt
  url: llms/heeler-llms.txt
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

Heeler API — frequently asked questions

How much does the Heeler API cost?

Heeler publishes its prices; its 1–199 devs plan is $35 per developer as of 2026-10-07. APIs.io lists 6 pricing plans for Heeler, with each plan's price, limits and inclusions under Pricing on this page.

Is the Heeler API ready for AI agents?

Heeler has a Kin Score of 33.8 out of 100 (thin) and an Agent Readiness score of 3.6 (human-only), scored by API Evangelist on 2026-11-06.

Work with this as data

Every provider here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for providers

9 MCP tools reach this

find_providersBrowse and filter every provider in the catalog.
get_provider_artifactsEvery artifact this provider publishes, grouped by type.
get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
get_provider_ratingPRO — composite, band, trend and facet scores.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

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Every operation they expose

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How their score was established

curl "https://apis.io/api/v1/providers/heeler/evidence"

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