Agent browsers
Open a cloud browser session
Returns session identity, engine, bootId and runKey. Same runKey and policy reuse the session; omit runKey for a new isolated browser. Request bodies are limited to 64,000 characters.
POST
/
browser-sessions
/
session
Open a cloud browser session
curl --request POST \
--url https://app.mcpjam.com/api/v1/browser-sessions/session \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"projectId": "<string>",
"policy": {
"originAllowlist": [
"<string>"
],
"toolAllowlist": [
"<string>"
]
},
"runKey": "<string>",
"profile": "persistent"
}
'import requests
url = "https://app.mcpjam.com/api/v1/browser-sessions/session"
payload = {
"projectId": "<string>",
"policy": {
"originAllowlist": ["<string>"],
"toolAllowlist": ["<string>"]
},
"runKey": "<string>",
"profile": "persistent"
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
projectId: '<string>',
policy: {originAllowlist: ['<string>'], toolAllowlist: ['<string>']},
runKey: '<string>',
profile: 'persistent'
})
};
fetch('https://app.mcpjam.com/api/v1/browser-sessions/session', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://app.mcpjam.com/api/v1/browser-sessions/session",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'projectId' => '<string>',
'policy' => [
'originAllowlist' => [
'<string>'
],
'toolAllowlist' => [
'<string>'
]
],
'runKey' => '<string>',
'profile' => 'persistent'
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://app.mcpjam.com/api/v1/browser-sessions/session"
payload := strings.NewReader("{\n \"projectId\": \"<string>\",\n \"policy\": {\n \"originAllowlist\": [\n \"<string>\"\n ],\n \"toolAllowlist\": [\n \"<string>\"\n ]\n },\n \"runKey\": \"<string>\",\n \"profile\": \"persistent\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://app.mcpjam.com/api/v1/browser-sessions/session")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"projectId\": \"<string>\",\n \"policy\": {\n \"originAllowlist\": [\n \"<string>\"\n ],\n \"toolAllowlist\": [\n \"<string>\"\n ]\n },\n \"runKey\": \"<string>\",\n \"profile\": \"persistent\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://app.mcpjam.com/api/v1/browser-sessions/session")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"projectId\": \"<string>\",\n \"policy\": {\n \"originAllowlist\": [\n \"<string>\"\n ],\n \"toolAllowlist\": [\n \"<string>\"\n ]\n },\n \"runKey\": \"<string>\",\n \"profile\": \"persistent\"\n}"
response = http.request(request)
puts response.read_body{}Authorizations
MCPJam API key (sk_…). Create one at Settings → API keys. Guest sessions cannot use the API, and API keys cannot manage other API keys.
Body
application/json
Response
Returns session identity, engine, bootId and runKey. Same runKey and policy reuse the session; omit runKey for a new isolated browser.
The response is of type object.
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⌘I
Open a cloud browser session
curl --request POST \
--url https://app.mcpjam.com/api/v1/browser-sessions/session \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"projectId": "<string>",
"policy": {
"originAllowlist": [
"<string>"
],
"toolAllowlist": [
"<string>"
]
},
"runKey": "<string>",
"profile": "persistent"
}
'import requests
url = "https://app.mcpjam.com/api/v1/browser-sessions/session"
payload = {
"projectId": "<string>",
"policy": {
"originAllowlist": ["<string>"],
"toolAllowlist": ["<string>"]
},
"runKey": "<string>",
"profile": "persistent"
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
projectId: '<string>',
policy: {originAllowlist: ['<string>'], toolAllowlist: ['<string>']},
runKey: '<string>',
profile: 'persistent'
})
};
fetch('https://app.mcpjam.com/api/v1/browser-sessions/session', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://app.mcpjam.com/api/v1/browser-sessions/session",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'projectId' => '<string>',
'policy' => [
'originAllowlist' => [
'<string>'
],
'toolAllowlist' => [
'<string>'
]
],
'runKey' => '<string>',
'profile' => 'persistent'
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://app.mcpjam.com/api/v1/browser-sessions/session"
payload := strings.NewReader("{\n \"projectId\": \"<string>\",\n \"policy\": {\n \"originAllowlist\": [\n \"<string>\"\n ],\n \"toolAllowlist\": [\n \"<string>\"\n ]\n },\n \"runKey\": \"<string>\",\n \"profile\": \"persistent\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://app.mcpjam.com/api/v1/browser-sessions/session")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"projectId\": \"<string>\",\n \"policy\": {\n \"originAllowlist\": [\n \"<string>\"\n ],\n \"toolAllowlist\": [\n \"<string>\"\n ]\n },\n \"runKey\": \"<string>\",\n \"profile\": \"persistent\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://app.mcpjam.com/api/v1/browser-sessions/session")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"projectId\": \"<string>\",\n \"policy\": {\n \"originAllowlist\": [\n \"<string>\"\n ],\n \"toolAllowlist\": [\n \"<string>\"\n ]\n },\n \"runKey\": \"<string>\",\n \"profile\": \"persistent\"\n}"
response = http.request(request)
puts response.read_body{}
