MISP

MISP (Malware Information Sharing Platform & Threat Sharing) is an open source threat intelligence platform that enables sharing, storing and correlating of structured threat information. It provides a robust set of features including taxonomies, galaxy clusters, warning lists, and a flexible API for integration. The project is community‑driven and widely adopted by security teams, CERTs, and researchers worldwide to improve collaborative defense against cyber threats.

MISP is listed with 2 APIs on the APIs.io network, including Agent Threat Rule API, and 1 more. Tagged areas include Open Source, Threat Intelligence, Community, Security, and Collaboration.

The MISP catalog on APIs.io includes 1 Spectral governance ruleset.

MISP’s developer surface includes support, documentation, engineering blog, and 12 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

13.6/100 emerging ▬ flat Agent 15/100 agent aware Heartbeat 100/100 alive Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

2 APIs

Open Source Threat Intelligence Community Security Collaboration Company

Kin Score

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

Composite quality — 13.6/100 · emerging

Contract Quality 2.3 / 21

Developer Ergonomics 1.4 / 17

Access Clarity 0.0 / 17

Operational Transparency 0.9 / 11

Contract Governance 1.9 / 10

Discoverability 4.9 / 9

Regulatory Posture 2.5 / 15

Agent readiness — 15/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 6 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 9 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 4 / 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 does not apply to this provider. The published contracts declare no write operations, and a read-only API cannot create-or-update. The facet is excluded from this provider's denominator entirely — not scored zero. A reference or data API is not deficient for being unable to upsert.

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):

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)
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented)

9 more unmet checks in the Agent Readiness table above.

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

Contract Quality scores 10.7 — up to +22.3 composite points
Access Clarity scores 0.0 — up to +20.0 composite points
Developer Ergonomics scores 8.3 — up to +18.3 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/misp/apis.yml: open an issue on github.com/api-evangelist/misp 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 1

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.

OpenAPI

measured — observed by APIs.io (published)

APIs 2

Individual APIs this provider publishes, each with its own machine-readable definition.

MISP API

MISP provides a RESTful API for threat sharing, documented at the official documentation site.

MISP Agent Threat Rule API

The Agent Threat Rule API from MISP — 1 operation(s) for agent threat rule.

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

MISP API Rules

8 rules · 6 errors 1 warnings 1 info

SPECTRAL

Security Posture 2

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

Misp Domain Security

TLSv1.3 · DNSSEC · DMARC

SECURITY

Misp Vulnerability Disclosure

security.txt · contact published

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

WellKnown

WellKnown

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Spectral

Spectral

Conformance

Conformance

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 4

Authentication, authorization, and security posture

SecurityTxt

SecurityTxt

Security

Security

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Company 3

The organization behind the API

Newsroom

Newsroom

Blog

Blog

Website

Website

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: misp
name: MISP
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  probe_state: unreadable
  source:
  - security
  generated: '2026-11-06'
  method: derived
image: https://www.misp-project.org/img/sharing-default.png
description: MISP (Malware Information Sharing Platform & Threat Sharing) is an open source threat intelligence platform that
  enables sharing, storing and correlating of structured threat information. It provides a robust set of features including
  taxonomies, galaxy clusters, warning lists, and a flexible API for integration. The project is community‑driven and widely
  adopted by security teams, CERTs, and researchers worldwide to improve collaborative defense against cyber threats.
url: https://raw.githubusercontent.com/api-evangelist/misp/refs/heads/main/apis.yml
x-type: company
x-source: harvest:tag-qc
x-tier: profiled
x-tier-reason: enrichment pass 2026-10-15 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-10-14'
modified: '2026-10-14'
tags:
- Open Source
- Threat Intelligence
- Community
- Security
- Collaboration
- Company
tags_raw:
- OpenSource
- ThreatIntelligence
- Community
- Security
- Collaboration
- Company
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Spectral
  url: rules/misp-rules.yml
- type: Conformance
  url: conformance/misp-conformance.yml
- type: SecurityTxt
  url: well-known/misp-security.txt
- type: WellKnown
  url: well-known/misp-well-known.yml
- type: Hosts
  url: hosts/misp-hosts.yml
- type: Vendors
  url: vendors/misp-vendors.yml
- type: Support
  url: https://www.misp-project.org/support
- type: Security
  url: https://www.misp-project.org/security/
- type: Newsroom
  url: https://www.misp-project.org/press
- type: GitHubOrganization
  url: https://github.com/MISP/
- type: Documentation
  url: https://www.misp-project.org/documentation/
- type: Blog
  url: https://www.misp-project.org/blog
- type: VulnerabilityDisclosure
  url: security/misp-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/misp-domain-security.yml
- type: Website
  url: https://www.misp-project.org
apis:
- name: MISP API
  description: MISP provides a RESTful API for threat sharing, documented at the official documentation site.
  humanURL: https://www.misp-project.org/documentation/
  baseURL: null
  aid: misp:misp-api
  properties:
  - type: OpenAPI
    url: openapi/_ae-authored/misp-openapi-generated.yml
    x-provenance: generated
- aid: misp:misp-agent-threat-rule-api
  name: MISP Agent Threat Rule API
  description: The Agent Threat Rule API from MISP — 1 operation(s) for agent threat rule.
  humanURL: https://www.misp-project.org/documentation/
  baseURL: https://github.com
  tags:
  - Agent Threat Rule
  properties:
  - type: OpenAPI
    url: openapi/misp-agent-threat-rule-api-openapi.yml
x-coverage:
  state: unreadable
  reason: no-machine-readable-spec
  detail: Documentation exists but no OpenAPI, AsyncAPI, GraphQL, or other machine‑readable contract was found.
  evidence:
  - url: https://www.misp-project.org/documentation/
    status: 200
  checked: '2026-10-14'
x-enrichment:
  date: '2026-10-15'
  status: enriched
  artifacts_added: 11
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

MISP API — frequently asked questions

Does MISP have an API?

Yes. APIs.io lists 2 APIs from MISP, including MISP API and MISP Agent Threat Rule API.

Is there an OpenAPI specification for the MISP API?

Yes. APIs.io indexes 2 OpenAPI specifications for MISP, each linked for download from this page.

Is the MISP API ready for AI agents?

MISP has a Kin Score of 13.6 out of 100 (emerging) and an Agent Readiness score of 15.0 (agent-aware), scored by API Evangelist on 2026-11-06.

Work with this as data

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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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