Component catalogue

156 records

23 of 156 match

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Open protocol so tools, data, and prompts plug into many harnesses. The connect slice Leyline ranks, not a marketplace.

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Function

Tool-call

invoke an external action

Tool-call Browse Tool-call

Function

Route

send work to the right tool

Route Browse Route

Function

Auth

prove identity or permission

Auth Browse Auth

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Model Context Protocol · 23

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health5.4 pts
  • Agent useNo signal yet
  • Human notes1.2 pts
  • ComposabilityNo signal yet
  • Checklist10.0 pts
  • Evidence quality6.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
appseed
Firecrawl

Crawl and extract clean page content for LLM pipelines. A common agent research tool and a Leyline evidence source class.

Function

Crawl

walk the public web

Crawl Browse Crawl

Function

Extract

pull a fact or field out

Extract Browse Extract

Function

Ingest

bring raw material in

Ingest Browse Ingest

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Firecrawl · 23

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health5.4 pts
  • Agent useNo signal yet
  • Human notes1.2 pts
  • ComposabilityNo signal yet
  • Checklist10.0 pts
  • Evidence quality6.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
appseed
TinyFish

Search, fetch, and browser automation for agents. Free Search and Fetch; metered browser runs. Leyline uses it as intake evidence crawl, not as a locked vendor.

Function

Crawl

walk the public web

Crawl Browse Crawl

Function

Extract

pull a fact or field out

Extract Browse Extract

Function

Browser

operate a live page

Browser Browse Browser

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

TinyFish · 23

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health5.4 pts
  • Agent useNo signal yet
  • Human notes1.2 pts
  • ComposabilityNo signal yet
  • Checklist10.0 pts
  • Evidence quality6.8 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
runtimeseed
Grok (xAI)

Reasoning and tool-using models plus a CLI harness. Leyline's own intake processor runs on the Grok Heavy subscription.

Function

Generate

produce new text, code, or media

Generate Browse Generate

Function

Reason

plan or chain steps

Reason Browse Reason

Function

Code

write or edit programs

Code Browse Code

Function

Tool-call

invoke an external action

Tool-call Browse Tool-call

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Grok (xAI) · 21

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health5.4 pts
  • Agent useNo signal yet
  • Human notes1.2 pts
  • ComposabilityNo signal yet
  • Checklist10.0 pts
  • Evidence quality4.6 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
appseed
GitHub

Repo host whose stars, commits, and issues feed Leyline GitHub health — a Score factor, not the whole reputation story.

Function

Store

persist state

Store Browse Store

Function

Retrieve

fetch stored knowledge

Retrieve Browse Retrieve

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Function

Observe

watch a system

Observe Browse Observe

Function

Auth

prove identity or permission

Auth Browse Auth

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

GitHub · 21

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health5.4 pts
  • Agent useNo signal yet
  • Human notes1.2 pts
  • ComposabilityNo signal yet
  • Checklist10.0 pts
  • Evidence quality4.6 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
appseed
n8n

Workflow automation. Compose and schedule slices that agents can call without owning the whole iPaaS.

Function

Compose

assemble other functions

Compose Browse Compose

Function

Schedule

run later or on a beat

Schedule Browse Schedule

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Function

Notify

tell a human or agent

Notify Browse Notify

Function

Transform

reshape data

Transform Browse Transform

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

n8n · 18

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health5.4 pts
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist10.0 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
appseed
Exa

Neural web search API aimed at agents. Search slice with citations, distinct from crawl-the-page tools.

Function

Retrieve

fetch stored knowledge

Retrieve Browse Retrieve

Function

Extract

pull a fact or field out

Extract Browse Extract

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Function

Crawl

walk the public web

Crawl Browse Crawl

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Exa · 18

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health5.4 pts
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist10.0 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only

Hosted browsers for agents. Browser slice without running Playwright locally.

Function

Browser

operate a live page

Browser Browse Browser

Function

Observe

watch a system

Observe Browse Observe

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Browserbase · 18

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health5.4 pts
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist10.0 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
appseed
Monid

Tools and data-endpoint gateway marketplace. Inspiration-adjacent. Pay-per-call proxy is explicitly not Leyline's core.

Function

Route

send work to the right tool

Route Browse Route

Function

Tool-call

invoke an external action

Tool-call Browse Tool-call

Function

Payment

meter or settle money

Payment Browse Payment

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Monid · 17

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health2.7 pts
  • Agent useNo signal yet
  • Human notes1.2 pts
  • ComposabilityNo signal yet
  • Checklist10.0 pts
  • Evidence quality3.2 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
runtimeseed
Claude Code

Anthropic's terminal coding agent. Harness grid deep-link target for the Leyline scour skill.

Function

Code

write or edit programs

Code Browse Code

Function

Reason

plan or chain steps

Reason Browse Reason

Function

Tool-call

invoke an external action

Tool-call Browse Tool-call

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Function

Compose

assemble other functions

Compose Browse Compose

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Claude Code · 15

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health2.7 pts
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist10.0 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
runtimeseed
Codex

OpenAI coding agent / CLI. Another day-one harness on the Leyline install grid.

Function

Code

write or edit programs

Code Browse Code

Function

Reason

plan or chain steps

Reason Browse Reason

Function

Tool-call

invoke an external action

Tool-call Browse Tool-call

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Codex · 15

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health2.7 pts
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist10.0 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
resourceseed
Context.dev

Context.dev (also @getcontextdev; YC S26 per founder/company bios) markets itself as a unified web-context API for software and agents: scrape, crawl, search, brand/people enrichment, monitors, MCP, and SDKs — one API key.

Function

Crawl

walk the public web

Crawl Browse Crawl

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Function

Extract

pull a fact or field out

Extract Browse Extract

Function

Enrich

add facts to a known person, company or record

Enrich Browse Enrich

Interface

mcp

Model Context Protocol server

Interface

cli

Command-line interface

Interface

sdk

Language SDK

Interface

skill

Agent skill file

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Context.dev · 14

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health2.7 pts
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist6.7 pts
  • Evidence quality4.3 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only

Open-source real-time global intelligence / situational-awareness dashboard — AI-synthesized news, multi-layer maps, finance/infra/military/disaster signals, plus first-class agent surfaces (MCP, REST, CLI, SDKs). README one-liner: AI-powered news aggregation, geopolitical monitoring, and infrastructure tracking in a unified situational awareness interface.

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Function

Monitor

alert on drift

Monitor Browse Monitor

Interface

mcp

Model Context Protocol server

Interface

cli

Command-line interface

Interface

http

HTTP API

Interface

sdk

Language SDK

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

World Monitor · 14

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health2.7 pts
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist6.7 pts
  • Evidence quality4.3 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only

## Here are 48 public repositories matching this topic...

Function

Code

write or edit programs

Code Browse Code

Function

Index

make retrieval cheap

Index Browse Index

Function

Ingest

bring raw material in

Ingest Browse Ingest

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Function

Memory

keep context across turns

Memory Browse Memory

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

No signal yet

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Build software better, together · 13

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub healthNo signal yet
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist10.0 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
appseed
Monid

Surfaces (same registry/balance claim): 1. Skill — one-liner set up https://monid.ai/SKILL.md (version 0.1.7) 2. Remote MCP — https://mcp.monid.ai/v1 3. CLI — npm i -g @monid-ai/cli@latest then monid setup / monid discover / run flows 4. HTTP API — https://api.monid.ai/v1/ (Bearer key) 5.

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Interface

mcp

Model Context Protocol server

Interface

cli

Command-line interface

Interface

http

HTTP API

GitHub

Observed

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Monid · 13

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub health2.7 pts
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist6.7 pts
  • Evidence quality4.0 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
resourceintake
MCP / AI Gateway

Gateway layer that routes model calls, discovers MCP tools, and applies identity, policy, and spend controls before invocations.

Function

Route

send work to the right tool

Route Browse Route

Function

Auth

prove identity or permission

Auth Browse Auth

Function

Identity

name a person, agent, or org

Identity Browse Identity

Function

Policy

allow, deny, or bound an action

Policy Browse Policy

Function

Tool-call

invoke an external action

Tool-call Browse Tool-call

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

No signal yet

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

MCP / AI Gateway · 12

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub healthNo signal yet
  • Agent useNo signal yet
  • Human notes1.2 pts
  • ComposabilityNo signal yet
  • Checklist6.7 pts
  • Evidence quality4.6 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
appseed
OpenShip

Open-source application platform to build, deploy, operate, and scale apps on infrastructure you own (VPS, dedicated, cloud VM, homelab). Pitch: replace a pile of deployment tools + managed services with one OSS control plane. Interfaces claimed: web dashboard, native desktop app, CLI, REST API, MCP for AI agents.

Function

Deploy

put software into a runtime

Deploy Browse Deploy

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Function

Tool-call

invoke an external action

Tool-call Browse Tool-call

Interface

mcp

Model Context Protocol server

Interface

cli

Command-line interface

Interface

http

HTTP API

GitHub

No signal yet

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

OpenShip · 11

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub healthNo signal yet
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist6.7 pts
  • Evidence quality4.0 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
appintake
Apollo.io

Business contact and company APIs for search, enrichment and sales-workflow records.

Function

Enrich

add facts to a known person, company or record

Enrich Browse Enrich

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Interface

http

HTTP API

Open spec

Interface

mcp

Model Context Protocol server

Open spec

GitHub

No signal yet

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Apollo.io · 9

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub healthNo signal yet
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist6.7 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
evalintake
awesome

139 lines (106 loc) · 17.5 KB

Function

Memory

keep context across turns

Memory Browse Memory

Function

Code

write or edit programs

Code Browse Code

Function

Evaluate

score quality against a bench

Evaluate Browse Evaluate

Function

Index

make retrieval cheap

Index Browse Index

Function

Policy

allow, deny, or bound an action

Policy Browse Policy

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

No signal yet

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

awesome · 9

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub healthNo signal yet
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist6.7 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
appintake
Casdoor

An open-source, self-hosted identity and access management platform and authentication server with a web console, supporting SSO, multiple identity protocols, policy-based authorization, APIs, SDKs, and MCP.

Function

Auth

prove identity or permission

Auth Browse Auth

Function

Code

write or edit programs

Code Browse Code

Function

Compose

assemble other functions

Compose Browse Compose

Function

Embed

turn content into vectors

Embed Browse Embed

Function

Identity

name a person, agent, or org

Identity Browse Identity

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

No signal yet

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Casdoor · 9

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub healthNo signal yet
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist6.7 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
runtimeintake
cognee

Open-source memory system for agents and teams. It connects company sources such as Slack, GitHub, and Linear so agents can recall shared context through one memory API, an SDK, or an MCP server, with an optional Cognee Cloud for managed scale.

Function

Memory

keep context across turns

Memory Browse Memory

Function

Code

write or edit programs

Code Browse Code

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Function

Embed

turn content into vectors

Embed Browse Embed

Function

Retrieve

fetch stored knowledge

Retrieve Browse Retrieve

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

No signal yet

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

cognee · 9

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub healthNo signal yet
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist6.7 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
mcpintake
memini

Self-hosted persistent memory service for MCP-capable agents. It stores and recalls memories in a tiered store using hybrid vector and keyword retrieval, ships as a single Go binary with SQLite or Postgres, and exposes REST, MCP, and an embedded admin UI.

Function

Connect

speak a protocol (MCP, API, CLI)

Connect Browse Connect

Function

Code

write or edit programs

Code Browse Code

Function

Compose

assemble other functions

Compose Browse Compose

Function

Deploy

put software into a runtime

Deploy Browse Deploy

Function

Memory

keep context across turns

Memory Browse Memory

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

No signal yet

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

memini · 9

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub healthNo signal yet
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist6.7 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only
mcpintake
Self

Self-Hosted AIEnterprise Search18 min readPublished May 22, 2026

Function

Index

make retrieval cheap

Index Browse Index

Function

Code

write or edit programs

Code Browse Code

Function

Compose

assemble other functions

Compose Browse Compose

Function

Embed

turn content into vectors

Embed Browse Embed

Function

Rank

order candidates by trust or fit

Rank Browse Rank

Interface

mcp

Model Context Protocol server

Interface

http

HTTP API

GitHub

No signal yet

Agent use

No signal yet

Reputation

Human and agent evidence, together.

Score factors

Self · 9

Score v2 uses observed signals only. Missing factors read No signal yet.

  • GitHub healthNo signal yet
  • Agent useNo signal yet
  • Human notesNo signal yet
  • ComposabilityNo signal yet
  • Checklist6.7 pts
  • Evidence quality2.5 pts
  • BenchmarksNo signal yet
Full Score explanation
Observed signals only

Evidence

Leyline ranks components. It does not proxy inference or resell tokens.

Human evidence

Observed stars, notes, maintainer trust, and public sources. Missing signals read No signal yet.

Agent evidence

Observed installs, success, resolve wins, and benches. Unobserved usage is never guessed or zeroed.