Open Call Portal
REMOTE · OPENCALLPORTAL.COM · SCANNED OCT 6
Search PII-free opportunities, availability, and live events; prepare safe no-write form handoffs.
Available components
How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →
Endpoint Security63
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- Authorisation not fully verified: no authorisation is required to call this server, and 7 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe. See how to fix → View diagnostics → Unverified
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- The HSTS (Strict-Transport-Security) header is present. View diagnostics → Pass
- DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability62
- AI-judged instruction clarity (excellent).Pass
- Context-footprint check failed: tool/resource definitions use about 2392 tokens (~341/item across 7 items; 7 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management100
- No destabilizing schema changes in the last 30 days.Pass
Tool Coverage98
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 93% of tool parameters carry a description.Partial
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 7 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 8 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
How do I install the Open Call Portal MCP server?
Open Call Portal is a hosted endpoint at https://opencallportal.com/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
remote · opencallportal.com
claude mcp add --transport http opencallportal-open-call-portals 'https://opencallportal.com/mcp'
{
"mcpServers": {
"opencallportal-open-call-portals": {
"url": "https://opencallportal.com/mcp"
}
}
} {
"servers": {
"opencallportal-open-call-portals": {
"type": "http",
"url": "https://opencallportal.com/mcp"
}
}
} [mcp_servers.opencallportal-open-call-portals] url = "https://opencallportal.com/mcp"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"opencallportal-open-call-portals": {
"type": "remote",
"url": "https://opencallportal.com/mcp",
"enabled": true
}
}
} openclaw mcp add opencallportal-open-call-portals --url 'https://opencallportal.com/mcp' --transport streamable-http
mcp_servers:
opencallportal-open-call-portals:
url: "https://opencallportal.com/mcp" {
"McpServers": {
"opencallportal-open-call-portals": {
"Transport": "http",
"Url": "https://opencallportal.com/mcp"
}
}
} assistant mcp add opencallportal-open-call-portals -t streamable-http -u 'https://opencallportal.com/mcp'
{
"mcpServers": {
"opencallportal-open-call-portals": {
"type": "http",
"url": "https://opencallportal.com/mcp"
}
}
} The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 28 Sept 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 27 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes.
- 25 Sept 26 +1
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 23 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 80 to 83. That category is still filling its 30-day observation window: 24 days of observed history at the previous scan, 25 at this one. The score rises as the window fills, whether or not the server changes.
- 21 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 73 to 77. That category is still filling its 30-day observation window: 22 days of observed history at the previous scan, 23 at this one. The score rises as the window fills, whether or not the server changes.
- 18 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 63 to 67. That category is still filling its 30-day observation window: 19 days of observed history at the previous scan, 20 at this one. The score rises as the window fills, whether or not the server changes.
- 16 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 57 to 60. That category is still filling its 30-day observation window: 17 days of observed history at the previous scan, 18 at this one. The score rises as the window fills, whether or not the server changes.
- 14 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 50 to 53. That category is still filling its 30-day observation window: 15 days of observed history at the previous scan, 16 at this one. The score rises as the window fills, whether or not the server changes.
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 6 Oct 2026 · Probed https://opencallportal.com/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=opencallportal.com | CN=WE1,O=Google Trust Services,C=US | 18 Aug 2026 | 16 Nov 2026 | ECDSA 256 | ECDSA-SHA256 | 7ebe3c66f0d8fd513ee514b1c2807d6 |
| SANs: opencallportal.com, *.opencallportal.com | ||||||
| CN=WE1,O=Google Trust Services,C=US (CA) | CN=GTS Root R4,O=Google Trust Services LLC,C=US | 13 Dec 2023 | 20 Feb 2029 | ECDSA 256 | ECDSA-SHA384 | 7ff31977972c224a76155d13b6d685e3 |
| CN=GTS Root R4,O=Google Trust Services LLC,C=US (CA) | CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE | 15 Nov 2023 | 28 Jan 2028 | ECDSA 384 | SHA256-RSA | 7fe530bf331343bedd821610493d8a1b |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of opencallportal.com. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| com. | present | 19718 | 13 | Verified |
| opencallportal.com. | absent | Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation |
Authentication No authorisation required
The endpoint answered without asking for a token. Anyone who knows the URL can reach it.
| Result | No authorisation required |
|---|---|
| HTTP status | 200 |
| Header | Value |
|---|---|
| strict-transport-security | max-age=63072000; includeSubDomains |
| content-security-policy | default-src 'none'; script-src 'none'; style-src 'self' 'nonce-y1S60Ge6Dd3FTB_nF5lE0g'; img-src 'self' data: https:; font-src 'self' data:; connect-src 'none'; worker-src 'none'; object-src 'none'; frame-src 'none'; form-action 'self'; frame-ancestors 'none'; base-uri 'self' |
| x-content-type-options | nosniff |
| x-frame-options | DENY |
| referrer-policy | strict-origin-when-cross-origin |
| permissions-policy | geolocation=(), microphone=(), camera=() |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://opencallportal.com/mcp | Verified | 200 | |
| http (plaintext) | http://opencallportal.com/mcp | HTTPS enforced | 301 | https://opencallportal.com:443/mcp |
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
get_opportunity ~91
Look up one opportunity by its exact public UI reference (for example DJ-3128) before making any claim about it. Returns only an active, non-deleted, non-membership, non-partner public listing and its allowedResponderRoles. State only fields in the live result; missing means not provided. Never invent volume, frequency, or competition.
| Name | Type | Req | Description |
|---|---|---|---|
| reference | string | yes | Exact public UI reference. |
No output schema declared.
No examples provided.
get_platform_schema ~46
Returns the Open Call Portals discovery contract: portal IDs, field value options, MCP server details, and read-only search metadata. Call this first for autodiscovery before filtering searches.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
prepare_listing_form ~114
Validate a versioned, allowlisted listing-form prefill and return the canonical create-form URL. It supports every mounted form advertised by get_platform_schema (39 portal forms plus live events); the exact portal-specific fields, posting roles, and value shapes are declared in this tool's schema. This is a no-write handoff: it never creates a draft, sends email, verifies a code, or publishes. Do not include email addresses, verification codes, tokens, session IDs, credentials, contact data, or unrecognized fields.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
prepare_response_form ~131
For an exact active DJ opportunity only, validate a small response prefill and return the normal editable DJ form URL. This is a no-write handoff: AI may prepare it, but the human supplies identity/contact, consent and verification, then clicks send. It never creates drafts, sends email, verifies, publishes, creates alerts, or uses webhooks. Do not include names, email, phone, credentials, tokens, consent, verification codes, or submission fields.
| Name | Type | Req | Description |
|---|---|---|---|
| fields | object | yes | – |
| reference | string | yes | Exact public DJ reference; resolve server-side. |
| version | integer | yes | – |
No output schema declared.
No examples provided.
search_availability ~589
Use this first for buyer-side requests to find, hire, or book talent, crew, suppliers, or services: 'I need a live band in St Kilda', 'find a DJ near Amsterdam', or 'event crew for hire'. For 'I need a live band in St Kilda', use portalId='lb-availability' and location='St Kilda'. Location hierarchy allows broader Melbourne availability to match St Kilda and labels it as a parent-area match. Do NOT use this when the speaker is the talent seeking work, e.g. 'I am a DJ looking for gigs/work'; use search_open_calls for that perspective. Do NOT use this when the user explicitly says 'open call' or asks to post/find/search open calls; that explicit wording takes priority. If availability returns zero, offer to post an open call; never claim a match exists. Search availability listings posted by performers, crew, and service providers who are actively seeking bookings. These are the supply side of the platform — DJs, bands, comedians, artists, event crew, and more advertising their availability for a date range or location. Complement to search_open_calls (demand side).
| Name | Type | Req | Description |
|---|---|---|---|
| from | string | – | ISO date YYYY-MM-DD. |
| genre | string | – | Optional exact canonical override only; omit it rather than guessing from the request. |
| limit | number | – | Max results (default 20, max 100). |
| location | string | – | Suburb/town/city/region/country. Hierarchical matching includes relevant parent areas and child locations. |
| portalId | string | – | Optional exact canonical supply override only. Do not infer or guess this from a role phrase; omit it and let query resolve the vertical. When explicitly supplied, map DJ to 'dj-availability' and liv… |
| query | string | – | Pass the user's complete original natural-language request. Prefer query-only rather than guessing portalId, genre, or type, e.g. 'I need a live band in St Kilda', 'find a music bingo host', or 'anal… |
| to | string | – | ISO date YYYY-MM-DD. |
| type | string | – | Optional exact canonical subtype override only; do not synthesize it from role nouns. Query recognizes aliases including Fourth Spaces sessions such as 'analogue-listening'. Generic words such as eve… |
No output schema declared.
No examples provided.
search_live_events ~403
Use when the user asks to find, show, attend, watch, visit, or buy tickets for an event or session—not when they need to hire talent. For example, 'find an analogue listening session in Melbourne' uses this tool; 'analogue listening sessions looking for organisers' uses search_open_calls. Search first-party upcoming live events submitted directly to the Open Call Portals Live Events Map. Includes DJ sets, live bands, comedy nights, and more with geo coordinates (lat/lng), ticketing info, source links, and event start/end times. All events are future or currently in progress.
| Name | Type | Req | Description |
|---|---|---|---|
| from | string | – | ISO date YYYY-MM-DD — events on or after this date. |
| genre | string | – | Optional exact canonical override only; omit when inferred from query. Comma-separated canonical genres, e.g. 'house,techno,drum-bass'. |
| limit | number | – | Max results (default 20, max 100). |
| location | string | – | City, venue name, or country substring, e.g. 'london', 'chicago', 'uk'. |
| query | string | – | Pass the complete original natural-language event discovery request, e.g. 'techno events in Amsterdam tonight'. Prefer query-only rather than guessing type or genre; the server maps phrases to author… |
| ticketed | string | – | Filter by ticket availability: 'yes' (ticketed), 'no' (free/open), 'tbc' (unknown). |
| to | string | – | ISO date YYYY-MM-DD — events on or before this date. |
| type | string | – | Optional exact canonical override only. Omit it when the format is expressed naturally in query. Canonical examples include dj, live-band, comedian, dance-act, snooker-tournament, and analog-listenin… |
No output schema declared.
No examples provided.
search_open_calls ~801
Use this when talent, crew, suppliers, or service providers are looking for posted work: gigs, jobs, opportunities, vacancies, slots, bookings, wanted/needed listings, or open calls. Treat those words as search intent—not as genre/type filters. For example, 'DJ gig Amsterdam', 'DJ opportunity in Amsterdam', 'DJ needed listings Amsterdam', and 'I am a DJ looking for work in Amsterdam' all use search_open_calls with portalId='dj' and location='Amsterdam'. Explicit wording such as 'post/find/search open calls' always uses this tool, even when the speaker is a venue manager or private event host. Impersonal posted requirements such as 'analog listening sessions looking for organisers' also use this tool. Do NOT use this as the first choice when a buyer says 'I need/find/want to hire/book a DJ or live band'; call search_availability for that buyer-side intent instead. Venues and event hosts post open calls to find DJs, live bands, comedians, artists, content creators, event crew, solopreneurs, game hosts, casting talent, and more. Returns structured listings with location, genre, type, close date, and a canonical URL. Each result includes allowedResponderRoles so callers can explain who may apply through the listing's canonical web page. All results are PII-free.
| Name | Type | Req | Description |
|---|---|---|---|
| format | string | – | 'markdown' returns paste-ready text. 'json' (default) returns structured data. |
| from | string | – | ISO date YYYY-MM-DD — only listings closing on or after this date. |
| genre | string | – | Optional exact canonical override only; do not guess it from the request. Comma-separated, e.g. 'house,techno'. Values are portal-scoped: genres, art forms, produce categories, liquor styles, and bus… |
| limit | number | – | Max results (default 20, max 100). |
| location | string | – | Place only: suburb/town/city/region/country, e.g. 'St Kilda', 'Amsterdam', 'UK'. Location matching follows the hierarchy: a St Kilda request can include broader Melbourne listings, and a Melbourne re… |
| portalId | string | – | Optional exact canonical override only. Do not infer or guess this from a role phrase; omit it and let query resolve the vertical. When explicitly supplied, map DJ/disc jockey/deejay to 'dj'; live ba… |
| query | string | – | Pass the user's complete original natural-language request. Prefer query-only rather than guessing portalId, genre, or type, e.g. 'I am a DJ looking for work in Amsterdam' or 'DJ gig Amsterdam'. The… |
| to | string | – | ISO date YYYY-MM-DD — only listings closing on or before this date. |
| type | string | – | Optional exact canonical override only; do not synthesize it from role nouns. Use only a known subtype such as 'open-decks', 'supporting-act', 'music-bingo-night', or the Fourth Spaces session 'analo… |
No output schema declared.
No examples provided.
What is the Open Call Portal MCP server?
Open Call Portal is an MCP server listed in the public MCP registry as io.github.OpenCallPortal/open-call-portals. Search PII-free opportunities, availability, and live events; prepare safe no-write form handoffs. This page covers its hosted endpoint (https://opencallportal.com/mcp).
Is the Open Call Portal MCP server safe to use?
Open Call Portal scores 78 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the Open Call Portal MCP server expose?
Open Call Portal exposes 7 tools: get_platform_schema, search_open_calls, search_availability, search_live_events, get_opportunity, and 2 more. Their descriptions and schemas cost roughly 2,175 tokens of context every time the server is loaded.
Does the Open Call Portal MCP server require authentication?
No. We connected to Open Call Portal without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the Open Call Portal MCP server still maintained?
Open Call Portal is still listed as active in the MCP registry. We last reached this channel on 6 October 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.